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Agnostida

Agnostida

Synonymy list
YearName and author
1864Agnostida Salter
1957Agnostida Harrington and Leanza
1968Agnostida Robison and Pantoja-Alor p. 775
1972Agnostida Palmer and Gatehouse p. 9
1992Agnostida Bengtson p. 1022
1997Agnostida Whittington et al. p. 331
2002Agnostida Sepkoski
2008Agnostida Landing et al. p. 892
2019Agnostida Moysiuk and Caron

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
RankNameAuthor
—Panarthropoda
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
orderAgnostidaSalter 1864
orderAgnostidaSalter 1864

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Or. †Agnostida Salter 1864
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Subor. †Agnostina Salter 1864
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G. †Agnostogonus Opik 1967
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Superfm. †Agnostoidea M'Coy 1849
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Fm. †Peronopsidae Westergard 1936
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G. †Archaeagnostus Kobayashi 1939
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†Archaeagnostus primigeneus Kobayashi 1939
†Archaeagnostus primigneus Kobayashi 1939
G. †Diplorrhina Hawle and Corda 1847
G. †Gratagnostus Khairullina 1975
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†Gratagnostus latus Hairullina 1975
G. †Itagnostus Opik 1979
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†Itagnostus gaspensis Rasetti 1948
†Itagnostus idahoensis Sundberg 2020
†Itagnostus oepiki Laurie 2004
G. †Micagnostus Khairullina 1975
G. †Pentagnostus Lermontova 1940
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Subg. †Pentagnostus (Meragnostus) Naimark 2012
†Pentagnostus admirabilis Ergaliev and Ergaliev 2008
†Pentagnostus anabarensis Lermontova 1940
†Pentagnostus bonnerensis Resser 1938
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Invalid names: Agnostus lautus Resser 1939 [synonym]
†Pentagnostus endemicus Ergaliev and Ergaliev 2008
†Pentagnostus krusei Laurie 2006
†Pentagnostus praecurrens Westergård 1936
†Pentagnostus shabaktensis Ergaliev and Ergaliev 2008
†Pentagnostus shergoldi Laurie 2004
G. †Peronopsella Szduy 1967
G. †Peronopsis Corda 1847
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Subg. †Peronopsis (Armagnostus) Howell 1937
Subg. †Peronopsis (Proacadagnostus) Naimark 2012
Subg. †Peronopsis (Svenax) Opik 1979
Subg. †Peronopsis (Vulgagnostus) Naimark 2012
†Peronopsis amplaxis Robison 1982
†Peronopsis angustilimbatus Ergaliev and Ergaliev 2008
†Peronopsis bilobus Yang et al. 1993
†Peronopsis bulkurensis Pokrovskaya and Pegel 1982
†Peronopsis curtus Ergaliev and Ergaliev 2008
†Peronopsis cylindrica Westergard 1946
†Peronopsis elkedraensis Eldredge 1902
†Peronopsis elongatus Ergaliev and Ergaliev 2008
†Peronopsis fallax Linnarsson 1869
†Peronopsis inarmata Hutchinson 1962
†Peronopsis integer Beyrich 1845
†Peronopsis integra Beyrich 1845
†Peronopsis intermedius Ergaliev and Ergaliev 2008
†Peronopsis ozakii Resser and Endo 1937
†Peronopsis prodigialis Ergaliev and Ergaliev 2008
†Peronopsis pseudointerstrictus Ergaliev and Ergaliev 2008
†Peronopsis roddyi Resser and Howell 1938
†Peronopsis ultimus Ergaliev 1980
†Peronopsis xichuanensis Yang et al. 1993
Invalid names: Mesagnostus Jaekel 1909 [synonym], Mesophenicus Hawle and Corda 1847 [synonym]
Subfm. †Phalacrominae Raymond 1913
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G. †Gallagnostus Howell 1935
G. †Quadragnostus Howell 1935
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†Quadragnostus clarus Pokrovskaya and Egorova 1982
†Quadragnostus depressa Westergård 1946
G. †Redeagnostus Naimark 2012
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†Redeagnostus ferox Tullberg 1880
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Invalid names: Redeagnostus brevispinus Deiss 1939 [synonym]
Invalid names: Peronopseinae Westergard 1938 [empty]
Invalid names: Hypagnostoidae Ivshin 1953 [empty]
G. †Armagnostus Howell 1937
G. †Blystagnostus Opik 1961
Superfm. †Condylopygoidea Raymond 1913
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Fm. †Agnostidae M'Coy 1849
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G. †Acmarhachis Resser 1938
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†Acmarhachis acuta Kobayashi 1938
†Acmarhachis apicula Oepik 1967
†Acmarhachis hybrida Shergold 1980
†Acmarhachis karatauensis Ergaliev 1980
†Acmarhachis kindlei Westrop and Eoff 2012
†Acmarhachis longispinus Ergaliev 1980
†Acmarhachis punctatus Ergaliev 1980
†Acmarhachis typicalis Resser 1938
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Invalid names: Cyclagnostus yaogongbuensis Lu and Lin 1987 [synonym]
†Acmarhachis whittingtoni Westrop and Eoff 2012
Invalid names: Cyclagnostus Lermontova 1940 [synonym]
Subfm. †Agnostinae Jaekel 1909
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G. †Innitagnostus Opik 1967
G. †Agnostus Brongniart 1822
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Subg. †Agnostus (Agnostus) Wahlenberg 1818
Subg. †Agnostus (Homagnostus) Howell 1935
†Agnostus artilimbatus Opik 1967
†Agnostus babcocki Peng and Robison 2000
†Agnostus bibullatus Barrande 1852
†Agnostus bidens Meek 1873
†Agnostus gladiator Clark 1923
†Agnostus innocens Clark 1923
†Agnostus interstricta White 1874
†Agnostus neglectus Westergard 1946
†Agnostus neon Hall and Whitfield 1877
†Agnostus nudus Beyrich 1845
†Agnostus orion Billings 1860
†Agnostus pisiformis Wahlenberg 1818
†Agnostus princeps Salter 1864
†Agnostus rex Barrande 1852
†Agnostus tardus Barrande 1846
†Agnostus valentinus Lochman 1944
Invalid names: Acutatagnostus Ergaliev 1980 [synonym], Battus Dalman 1927 [objective synonym]
G. †Aistagnostus Xiang and Zhang 1985
G. †Barrandagnostus Ishvin 1960
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Invalid names: Barrandagnostus tchatertensis Krys'kov 1963 [synonym]
Invalid names: Hozediasagnostus Ergaliev and Ergaliev 2008 [synonym]
G. †Biciragnostus Ergaliev 2001
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†Biciragnostus biformis Ergaliev 2001
G. †Connagnostus Opik 1967
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†Connagnostus aversus Shergold 1980
†Connagnostus fritzi Pratt 1992
†Connagnostus junior Shergold 1971
†Connagnostus longirhachis Ergaliev and Ergaliev 2008
†Connagnostus tangshanensis Zhu and Wittke 1989
G. †Eurudagnostus Lermontova 1951
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†Eurudagnostus conicus Ergaliev and Ergaliev 2008
†Eurudagnostus grandis Naimark and Pegel 2017
†Eurudagnostus hisakoshii Kobayashi 1962
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Invalid names: Eurudagnostus ovalis Ergaliev and Ergaliev 2008 [synonym]
†Eurudagnostus minor Ergaliev 1980
†Eurudagnostus ovaliformis Ergaliev 1980
G. †Formosagnostus Ergaliev 1980
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†Formosagnostus formosus Ergaliev 1980
†Formosagnostus zhanatasicus Ergaliev and Ergaliev 2008
G. †Gymnagnostus Robison and Pantoja-Alor 1968
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†Gymnagnostus congros Robison and Pantoja-Alor 1968
†Gymnagnostus kobayashii Tortello and Esteban 2016
†Gymnagnostus mexicanus Robison and Pantoja-Alor 1968
†Gymnagnostus perinflatus Harrington and Leanza 1957
G. †Hadragnostus Opik 1967
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†Hadragnostus modestus Lochman 1944
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Invalid names: Formosagnostus latus Peng 1987 [synonym], Kunshanagnostus kunshanensis Qian and Zhou 1984 [synonym]
†Hadragnostus quadratiformis Ergaliev and Ergaliev 2008
Invalid names: Kunshanagnostus Qian and Zhou 1984 [synonym]
G. †Homagnostus Howell 1935
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†Homagnostus alaskensis Palmer 1968
†Homagnostus captiosus Lazarenko 1966
†Homagnostus claviformis Ergaliev 1980
†Homagnostus comptus Palmer 1962
†Homagnostus hoi Sun 1924
†Homagnostus hoiformis Kobayashi 1933
†Homagnostus longiformis Ergaliev 1980
†Homagnostus obesus Belt 1867
†Homagnostus piriformis Ergaliev and Ergaliev 2008
†Homagnostus seletensis Ivshin 1962
†Homagnostus sulcatus Choi et al. 2004
G. †Idolagnostus Opik 1967
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†Idolagnostus agrestis Opik 1967
G. †Ivshinagnostus Ergaliev 1980
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†Ivshinagnostus alatus Choi et al. 2004
†Ivshinagnostus ivshini Ergaliev 1980
†Ivshinagnostus quadratus Choi et al. 2004
G. †Kormagnostella Romanenko 1967
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†Kormagnostella carinata Ergaliev and Ergaliev 2008
†Kormagnostella insolita Westrop and Adrain 2013
†Kormagnostella longa Ergaliev 1980
Invalid names: Litagnostoides Schrank 1975 [synonym]
G. †Kormagnostus Resser 1938
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†Kormagnostus boltoni Westrop et al. 1996
†Kormagnostus clavatus Lu and Lin 1989
†Kormagnostus copelandi Westrop et al. 1996
†Kormagnostus cuchillensis Rusconi 1954
†Kormagnostus inventus Shergold 1982
†Kormagnostus minutus Schrank 1975
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Invalid names: Kormagnostus taoyuanensis Peng 1987 [synonym], Litagnostus latilimbatus Qian and Zhou 1984 [synonym]
†Kormagnostus seclusus Walcott 1884
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Invalid names: Kormagnostus simplex Resser 1938 [synonym]
G. †Kymagnostus Hohensee and Stitt 1989
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†Kymagnostus harti Hohensee and Stitt 1989
G. †Lotagnostus Whitehouse 1936
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Subg. †Lotagnostus (Distagnostus) Shergold 1971
Subg. †Lotagnostus (Eolotagnostus) Zhou 1982
†Lotagnostus agnostiformis Apollonov and Tschugaeva 1983
†Lotagnostus americanus Billings 1860
†Lotagnostus asiaticus Troedsson 1937
†Lotagnostus atenuatus Rusconi 1955
†Lotagnostus extremus Ergaliev and Ergaliev 2008
†Lotagnostus hedini Troedsson 1937
†Lotagnostus obscurus Palmer 1955
G. †Micragnostus Howell 1935
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†Micragnostus brevispinus Lermontova 1951
†Micragnostus calviformis Harrington and Leanza 1957
†Micragnostus calvus Lake 1906
†Micragnostus chiushuensis Kobayashi 1931
†Micragnostus curvata Robison and Pantoja-Alor 1968
†Micragnostus elongatus Chien 1961
†Micragnostus insolitus Grant 1965
†Micragnostus mutabilis Ergaliev 1980
†Micragnostus orientalis Lu and Lin 1980
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Invalid names: Micragnostus intermedius Palmer 1968 [synonym]
†Micragnostus quadratiformis Ergaliev and Ergaliev 2008
†Micragnostus serus Fortey 1980
†Micragnostus vilonii Harrington and Leanza 1957
G. †Neoagnostus Kobayashi 1955
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†Neoagnostus acutifrons Troedsson 1937
†Neoagnostus aspidoides Kobayashi 1955
†Neoagnostus bilobus Shaw 1951
†Neoagnostus clavus Shergold 1971
†Neoagnostus cornuformis Ergaliev and Ergaliev 2008
†Neoagnostus denticulatus Shergold 1975
†Neoagnostus dilatus Hohensee and Stitt 1989
†Neoagnostus felix Shergold 1980
†Neoagnostus fengzuensis Lu and Lin 1984
†Neoagnostus greeni Shergold 1980
†Neoagnostus kyrshabactensis Ergaliev and Ergaliev 2008
†Neoagnostus longicollis Kobayashi 1966
†Neoagnostus occultatus Xiang and Zhang 1985
†Neoagnostus ovalis Ludvigsen et al. 1989
†Neoagnostus pseudoclavus Ergaliev and Ergaliev 2008
†Neoagnostus quadratiformis Ergaliev 1980
†Neoagnostus quasibilobus Shergold 1975
†Neoagnostus sabulosus Peng 1992
†Neoagnostus shiziluensis Lu and Zhou 1990
†Neoagnostus tenuispinus Ergaliev and Ergaliev 2008
†Neoagnostus tumidus Sun 1989
Invalid names: Hyperagnostus Kobayashi 1955 [synonym], Pseudorhaptagnostus Lermontova 1940 [synonym]
G. †Oncagnostus Whitehouse 1936
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†Oncagnostus tumidosus Hall and Whitfield 1877
G. †Oxyagnostus Opik 1967
G. †Semagnostus Nielsen 1997
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†Semagnostus zuninoi Harrington and Leanza 1957
G. †Strictagnostus Shergold 1975
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†Strictagnostus latisulcus Ergaliev 1980
G. †Trilobagnostus Harrington 1938
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†Trilobagnostus convexus Ergaliev and Ergaliev 2008
†Trilobagnostus innitialis Ergaliev and Ergaliev 2008
†Trilobagnostus kazachstanicus Ergaliev and Ergaliev 2008
†Trilobagnostus mundus Raymond 1925
†Trilobagnostus pseudorudis Ergaliev and Ergaliev 2008
†Trilobagnostus rudis Salter 1864
†Trilobagnostus spinosus Ergaliev and Ergaliev 2008
Invalid names: Peronopsinae Westergard 1936 [empty], Ptychagnostinae Kobayashi 1939 [empty]
Fm. †Ammagnostidae Opik 1967
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G. †Ammagnostus Opik 1967
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†Ammagnostus adchinensis Schrank 1975
†Ammagnostus cryptus Peng and Robison 2000
†Ammagnostus duibianensis Lu and Lin 1989
†Ammagnostus euryaxis Opik 1967
†Ammagnostus histus Peng and Robison 2000
†Ammagnostus hunanensis Peng and Robison 2000
†Ammagnostus incertus Robison 1964
†Ammagnostus jegorovae Romanenko 1984
†Ammagnostus laiwuensis Lorenz 1906
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Invalid names: Peronopsis ekip Jago 1976 [synonym]
†Ammagnostus parvilobus Ergaliev and Ergaliev 2008
†Ammagnostus psammius Opik 1967
†Ammagnostus serus Choi et al. 2004
†Ammagnostus sinensis Peng 1987
†Ammagnostus spinosus Ergaliev and Ergaliev 2008
†Ammagnostus timus Ergaliev and Ergaliev 2008
†Ammagnostus wangcunensis Peng and Robison 2000
Invalid names: Agnostoglossa Öpik 1967 [synonym], Tentagnostus Sun 1989 [synonym]
G. †Proagnostus Butts 1926
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†Proagnostus bulbus Butts 1926
Invalid names: Agnostascus Öpik 1967 [synonym]
Fm. †Clavagnostidae Howell 1937
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Subfm. †Aspidagnostinae Pokrovskaya 1960
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G. †Aspidagnostus Whitehouse 1936
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Invalid names: Biragnostus Pokrovskaya 1960 [synonym]
Subfm. †Clavagnostinae Howell 1937
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G. †Clavagnostus Howell 1937
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Invalid names: Acanthagnostus Qian 1982 [synonym], Culipagnostus Rusconi 1952 [synonym], Leptagnostus Lu and Lin 1989 [synonym], Tomorhachis Resser 1938 [synonym]
G. †Triadaspis Opik 1976
Subfm. †Utagnostinae Jago et al. 2004
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G. †Paraclavagnostus Yang et al. 1993
G. †Utagnostus Robinson 1964
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†Utagnostus neglectus Jago 1976
†Utagnostus songae Peng and Robison 2000
†Utagnostus trispinulus Robison 1964
Fm. †Condylopygidae Raymond 1913
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G. †Condylopyge Hawle and Corda 1847
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†Condylopyge amitina Rushton 1966
†Condylopyge carinata Westergård 1936
†Condylopyge rex Barrande 1846
Invalid names: Fallagnostus Howell 1935 [synonym], Paragnostus Jaekel 1909 [objective synonym]
G. †Miraculaspis Romanenko 1967
G. †Pleuroctenium Hawle and Corda 1847
+
Invalid names: Dichagnostus Jaekel 1909 [objective synonym]
Fm. †Diplagnostidae Whitehouse 1936
+
G. †Acadagnostus Kobayashi 1939
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†Acadagnostus acadica Hartt 1868
†Acadagnostus argentinus Harrington and Leanza 1957
†Acadagnostus syrma Opik 1979
G. †Agnostotes Opik 1963
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†Agnostotes clavata Lu 1964
†Agnostotes orientalis Kobayashi 1935
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Invalid names: Pseudoglyptagnostus clavatus Lu 1964 [synonym]
G. †Baltagnostus Lochmann 1944
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†Baltagnostus ambonus Peng and Robison 2000
†Baltagnostus magnificus Ergaliev and Ergaliev 2008
†Baltagnostus rakuroensis Kobayashi 1935
G. †Denagnostus Jago 1987
Subfm. †Diplagnostinae Whitehouse 1936
+
G. †Axagnostus Laurie 1990
G. †Diplagnostus Jaeckel 1909
+
†Diplagnostus floralis Opik 1979
†Diplagnostus planicauda Angelin 1851
+
Invalid names: Diplagnostus qinlingensis Yang et al. 1993 [synonym], Diplagnostus zhexiensis Lu and Lin 1989 [synonym]
†Diplagnostus pseudofloralis Ergaliev and Ergaliev 2008
†Diplagnostus pyriformis Ergaliev and Ergaliev 2008
Invalid names: Tasagnostus Jago 1976 [synonym]
G. †Dolichagnostus Pokrovskaya 1958
G. †Iniospheniscus Opik 1979
+
†Iniospheniscus nodai Endo 1944
G. †Linguagnostus Kobayashi 1939
+
†Linguagnostus kjerulfi Brogger 1878
+
Invalid names: Linguagnostus spinosus Nan 1962 [synonym]
+
Invalid names: Linguagnostus transversus Yang et al. 1993 [synonym]
†Linguagnostus reconditus Poletaeva and Romanenko 1970
†Linguagnostus stenus Peng and Robison 2000
†Linguagnostus wanyuanensis Yang et al. 1993
Invalid names: Cristagnostus Rushton 1978 [synonym]
G. †Machairagnostus Harrington and Leanza 1957
+
†Machairagnostus corrugatus Suarez Soruco 1976
†Machairagnostus tmetus Harrington and Leanza 1957
Invalid names: Tarayagnostus Suarez Soruco 1975 [synonym]
G. †Nahannagnostus Pratt 1992
+
†Nahannagnostus logani Pratt 1992
†Nahannagnostus pratti Choi et al. 2004
G. †Oedorhachis Resser 1938
+
†Oedorhachis globulosus Ergaliev 2001
Subfm. †Oidalagnostinae Opik 1967
+
G. †Oidalagnostus Westergard 1946
+
Invalid names: Ovalagnostus Lu 1974 [synonym]
G. †Pseudagnostus Jaekel 1909
+
Subg. †Pseudagnostus (Pseudagnostus) Jaekel 1909
†Pseudagnostus canadensis Billings 1860
+
Invalid names: Agnostus janei Clark 1923 [synonym]
†Pseudagnostus communis Hall and Whitfield 1877
†Pseudagnostus cyclopyge Tullberg 1880
†Pseudagnostus dividuus Choi et al. 2004
†Pseudagnostus gyps Clark 1923
†Pseudagnostus idalis Opik 1967
+
Invalid names: Pseudagnostus vigilax Lu and Lin 1989 [synonym]
†Pseudagnostus karatauensis Ergaliev 1980
†Pseudagnostus koerferi Monke 1903
†Pseudagnostus leptoplastorum Westergard 1944
†Pseudagnostus medius Choi et al. 2004
†Pseudagnostus mestus Opik 1967
†Pseudagnostus obsurdus Ergaliev and Ergaliev 2008
†Pseudagnostus papilio Shergold 1971
†Pseudagnostus planulatus Raymond 1924
†Pseudagnostus praecurrens Ergaliev 1980
†Pseudagnostus primus Kobayashi 1935
†Pseudagnostus prolongus Hall and Whitfield 1877
+
Invalid names: Pseudagnostina vicaria Oepik 1967 [synonym]
†Pseudagnostus punctatus Ergaliev and Ergaliev 2008
†Pseudagnostus subquadratus Lu and Zhu 1980
†Pseudagnostus vastulus Whitehouse 1936
Invalid names: Litagnostus Rasetti 1944 [synonym], Pseudagnostina Palmer 1962 [synonym], Rhaptagnostus Whitehouse 1936 [synonym], Sulcatagnostus Kobayashi 1937 [synonym]
G. †Xestagnostus Opik 1967
+
†Xestagnostus legirupa Opik 1967
†Xestagnostus transversus Lu and Lin 1989
Fm. †Doryagnostidae Shergold et al. 1990
+
G. †Euagnostus Whitehouse 1936
+
†Euagnostus opimus Whitehouse 1936
G. †Glaberagnostus Romanenko 1985
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†Glaberagnostus altaicus Romanenko 1985
†Glaberagnostus cicer Tullberg 1880
G. †Glyptagnostus Whitehouse 1936
+
†Glyptagnostus angelini Resser 1938
†Glyptagnostus reticulatus Angelin 1851
G. †Leiagnostus Jaekel 1909
+
†Leiagnostus inletensis Bao and Jago 2000
†Leiagnostus perinflatus Harrington and Leanza 1957
†Leiagnostus turgidulus Harrington and Leanza 1957
Invalid names: Ciceragnostus Kobayashi 1937 [synonym], Phoidagnostoides Pillet 1978 [synonym]
G. †Megagnostus Robison 1994
+
†Megagnostus aksayensis Ergaliev and Ergaliev 2008
Fm. †Metagnostidae Jaekel 1909
+
G. †Anglagnostus Howell 1935
+
†Anglagnostus dux Callaway 1877
G. †Arthrorhachis Hawle and Corda 1847
+
†Arthrorhachis danica Poulsen 1965
†Arthrorhachis elliptifrons Tjernvik 1956
†Arthrorhachis mobergi Tjernvik 1956
†Arthrorhachis tarda Barrande 1846
+
Invalid names: Agnostus glabratus Angelin 1851 [synonym]
†Arthrorhachis tardus Barrande 1846
Invalid names: Girvanagnostus Kobayashi 1939 [synonym]
G. †Chatkalagnostus Khairullina and Abdullaev 1970
G. †Corrugatagnostus Kobayashi 1939
+
†Corrugatagnostus morea Salter 1864
+
Invalid names: Corrugatagnostus perrugatus Barrande 1872 [synonym]
Invalid names: Segmentagnostus Pek 1977 [synonym]
G. †Dividuagnostus Koroleva 1982
+
†Dividuagnostus minus Koroleva 1982
†Dividuagnostus tortelloi Waisfeld and Vaccari 2009
G. †Galbagnostus Whittington 1965
+
†Galbagnostus galba Billings 1865
G. †Geragnostella Kobayashi 1939
G. †Geragnostus Howell 1935
+
Subg. †Geragnostus (Geragnostella) Kobayashi 1939
Subg. †Geragnostus (Geragnostus) Howell 1935
Subg. †Geragnostus (Microagnostus) Howell 1935
Subg. †Geragnostus (Novoagnostus) Nielsen 1997
+
Invalid names: Geragnostus foulonensis Howell 1935 [synonym], Geragnostus languidus Howell 1935 [synonym], Geragnostus manifestus Howell 1935 [synonym]
†Geragnostus callaveiformis Harrington and Leanza 1957
†Geragnostus crassus Tjernvik 1956
†Geragnostus fabius Billings 1865
†Geragnostus occitanus Howell 1935
Invalid names: Neptunagnostella Pek 1977 [synonym]
G. †Granuloagnostus Pek 1970
G. †Homagnostoides Kobayashi 1939
G. †Trinodus M'Coy 1846
+
†Trinodus agnostiformis McCoy 1846
†Trinodus clusus Whittington 1963
†Trinodus cylindricus Chen in Li 1975
†Trinodus elspethi Raymond 1925
†Trinodus jujuyensis Harrington 1938
†Trinodus saltaensis Harrington and Leanza 1957
†Trinodus tardus Barrande 1846
Invalid names: Arthrorhachidae Raymond 1913 [synonym], Geragnostidae Howell 1935 [synonym], Trinodidae Howell 1935 [synonym]
Fm. †Phalacromidae Hawle and Corda 1847
+
G. †Lisogoragnostus Rozova 1988
+
†Lisogoragnostus circularis Yang et al. 1993
†Lisogoragnostus convexus Ergaliev and Ergaliev 2008
†Lisogoragnostus coreanicus Hong et al. 2003
†Lisogoragnostus hybus Peng and Robison 2000
†Lisogoragnostus kalisae Rosova 1988
†Lisogoragnostus karatauensis Ergaliev and Ergaliev 2008
†Lisogoragnostus mictus Peng and Robison 2000
†Lisogoragnostus minor Kobayashi 1962
Invalid names: Abagnostus Yang et al. 1993 [synonym]
G. †Munagnostus Pokrovskaya and Ergaliev 2008
+
†Munagnostus asiaticus Pokrovskaya and Ergaliev 2008
G. †Phalacroma Hawle and Corda 1847
+
Invalid names: Platagnostus Howell 1935 [synonym]
G. †Toragnostus Robison 1988
+
†Toragnostus orbiculatus Ergaliev 1980
G. †Phalagnostus Howell 1955
+
†Phalagnostus carinatus Lu and Lin 1989
†Phalagnostus cuneatus Rozova 1964
†Phalagnostus glandiformis Angelin 1851
Invalid names: Phalacromina Kobayashi 1962 [synonym]
G. †Phaldagnostus Ivshin 1960
+
†Phaldagnostus obsurdus Ergaliev 1980
†Phaldagnostus orbiformis Ivshin 1960
Fm. †Pseudagnostidae Whitehouse 1936
+
G. †Asqaragnostus Ergaliev and Ergaliev 2008
+
†Asqaragnostus uniformis Ergaliev 2001
G. †Han Turvey 2004
+
†Han solo Turvey 2004
G. †Norilagnostus Pack 2005
+
†Norilagnostus quadratus Lazarenko 1966
G. †Trisulcagnostus Ergaliev 1980
+
†Trisulcagnostus trisulcus Ergaliev 1980
G. †Yongwolagnostus Choi et al. 2004
+
†Yongwolagnostus dubius Choi et al. 2004
†Yongwolagnostus longiformis Ergaliev and Ergaliev 2008
†Yongwolagnostus stenorhachis Choi et al. 2004
Fm. †Ptychagnostidae Kobayashi 1939
+
G. †Acidusus Opik 1979
+
†Acidusus acidusus Öpik 1979
†Acidusus aculeatus Angelin 1851
†Acidusus cassis Öpik 1961
†Acidusus leptus Qian 1983
+
Invalid names: Ptychagnostus michaeli Robison 1984 [synonym]
†Acidusus occultatus Öpik 1979
G. †Allobodochus Opik 1979
G. †Aotagnostus Opik 1979
+
†Aotagnostus aotus Öpik 1979
†Aotagnostus culminosus Öpik 1979
+
Invalid names: Aotagnostus protentus Öpik 1979 [synonym]
†Aotagnostus lundgreni Tullberg 1880
+
Invalid names: Triplagnostus longitriangularis Lin 1991 [synonym]
†Aotagnostus magniceps Öpik 1979
†Aotagnostus minutus Lu and Lin 1989
G. †Goniagnostus Howell 1935
+
Subg. †Goniagnostus (Criotypus) Opik 1979
†Goniagnostus fumicola Opik 1961
+
Invalid names: Goniagnostus nodibundus Opik 1967 [synonym]
+
Invalid names: Goniagnostus paenerugatus Öpik 1979 [synonym]
†Goniagnostus nathorsti Brogger 1878
†Goniagnostus scarabaeus Whitehouse 1939
†Goniagnostus spiniger Westergard 1931
†Goniagnostus venustus Zhou and Yang 1977
G. †Lejopyge Hawle and Corda 1847
+
†Lejopyge acantha Robison 1984
†Lejopyge armata Linnarsson 1869
†Lejopyge barrandei Hicks 1872
†Lejopyge cos Opik 1967
†Lejopyge elegans Tullberg 1880
†Lejopyge laevigatus Dalman 1828
+
Invalid names: Lejopyge calva Robison 1964 [synonym]
†Lejopyge multifora Opik 1979
†Lejopyge rigbyi Robison 1984
†Lejopyge sinensis Lu and Lin 1987
Invalid names: Miagnostus Jaekel 1909 [objective synonym]
G. †Myrmecomimus Öpik 1979
+
†Myrmecomimus saltus Öpik 1979
†Myrmecomimus solitarius Ergaliev and Ergaliev 2008
†Myrmecomimus tribulis Öpik 1979
G. †Onymagnostus Opik 1979
+
†Onymagnostus convexus Ergaliev and Ergaliev 2008
†Onymagnostus cuneiformis Ergaliev and Ergaliev 2008
†Onymagnostus hybridus Broegger 1878
†Onymagnostus mundus Öpik 1979
†Onymagnostus ovaliformis Ergaliev and Ergaliev 2008
†Onymagnostus rotundatus Ergaliev 1980
†Onymagnostus semiermis Öpik 1979
†Onymagnostus stenorrhachis Grönwall 1902
Invalid names: Agnostonymus Öpik 1979 [synonym]
G. †Pseudophalacroma Pokrovskaya 1958
+
†Pseudophalacroma dubium Whitehouse 1936
+
Invalid names: Pseudophalacroma crebra Pokrovskaya 1958 [synonym]
+
Invalid names: Pseudophalacroma triangularis Ju 1983 [synonym]
†Pseudophalacroma scanense Westergard 1946
G. †Ptychagnostus Jaekel 1909
+
Subg. †Ptychagnostus (Acidusus) Opik 1979
Subg. †Ptychagnostus (Ptychagnostus) Jaekel 1909
†Ptychagnostus affinis Brøgger 1878
†Ptychagnostus akanthodes Robison 1964
†Ptychagnostus aksayensis Ergaliev and Ergaliev 2008
†Ptychagnostus atavus Tullberg 1880
†Ptychagnostus convexus Westergard 1946
†Ptychagnostus cuyanus Rusconi 1948
†Ptychagnostus intermedius Tullberg 1880
†Ptychagnostus karatauensis Ergaliev 1980
†Ptychagnostus punctuosus Angelin 1851
†Ptychagnostus seminula Whitehouse 1939
†Ptychagnostus spinosus Ergaliev 1980
Invalid names: Aristarius Öpik 1979 [synonym], Canotagnostus Rusconi 1951 [synonym], Zeteagnostus Opik 1979 [synonym]
G. †Tomagnostus Howell 1935
+
†Tomagnostus bothrus Robison 1994
†Tomagnostus fissus Lundgren 1879
†Tomagnostus sibiricus Pokrovskaya and Jegorova 1972
G. †Triplagnostus Howell 1935
+
†Triplagnostus gibbus Linnarsson 1869
†Triplagnostus scopus Öpik 1979
†Triplagnostus ultimus Öpik 1979
G. †Yakutiana Özdikmen 2009
Fm. †Spinagnostidae Howell 1935
+
G. †Cotalagnostus Whitehouse 1936
+
†Cotalagnostus lens Grönwall 1902
G. †Doryagnostus Kobayashi 1939
+
†Doryagnostus incertus Brögger 1878
+
Invalid names: Doryagnostus magister Whitehouse 1939 [synonym]
†Doryagnostus solidus Opik 1979
†Doryagnostus wasatchensis Robison 1978
Invalid names: Ceratagnostus Whitehouse 1939 [synonym], Rhodotypiscus Opik 1979 [synonym]
G. †Eoagnostus Resser and Howell 1938
G. †Pseudoperonopsis Harrington 1938
+
†Pseudoperonopsis bifidus Hajrullina 1975
†Pseudoperonopsis karatauensis Ergaliev and Ergaliev 2008
G. †Raragnostus Khairullina 1975
+
†Raragnostus mirus Hajrullina 1975
Subfm. †Spinagnostinae Howell 1935
+
G. †Hypagnostus Jaeckel 1909
+
Invalid names: Breviagnostus Liu 1982 [synonym], Cyclopagnostus Howell 1937 [synonym], Spinagnostus Howell 1935 [synonym]
Invalid names: Hypagnostidae Ivshin 1953 [synonym]
G. †Valenagnostus Jago 1976
+
†Valenagnostus imitans Oepik 1961
†Valenagnostus marginata Broegger 1878
G. †Delagnostus Opik 1961
G. †Dignagnostus Khairullina 1975
G. †Grandagnostus Howell 1935
G. †Hastagnostus Howell 1937
G. †Phoidagnostus Whitehouse 1936
G. †Skryjagnostus Snajdr 1957
Invalid names: Quadragnostidae Howell [empty]
G. †Ceragnostus Whitehouse 1939
Subor. †Eodiscina Kobayashi 1939
hide
Fm. †Calodiscidae Kobayashi 1943
+
G. †Calodiscus Howell 1935
+
†Calodiscus helena Walcott 1890
†Calodiscus lobatus Hall 1847
Invalid names: Brevidiscus Kobayashi 1943 [synonym]
G. †Korobovia Jell 1990
+
†Korobovia khorbosuonica Korovnikov 2007
†Korobovia ocellata Bengtson et al. 1990
G. †Neocobboldia Rasetti 1952
+
†Neocobboldia dentata Lermontova 1940
†Neocobboldia yichunensis Duan and An 2001
G. †Sinodiscus Chang 1974
+
†Sinodiscus kunshanensis Zhang and Zhou 1985
†Sinodiscus shipaiensis Chang 1974
†Sinodiscus subquadratus Korobov 1980
†Sinodiscus trisulcatus Zhang and Zhou 1985
Invalid names: Tologoja Korobov 1980 [synonym]
Fm. †Eodiscidae Raymond 1913
+
G. †Dawsonia Hartt 1868
+
†Dawsonia dawsoni Hartt 1868
Invalid names: Aculeodiscus Snajdr 1950 [synonym]
G. †Eodiscus Matthew 1896
+
Subg. †Eodiscus (Serrodiscus) Richter and Richter 1941
†Eodiscus bellimarginatus Shaler and Foerste 1888
†Eodiscus borealis Westergård 1946
†Eodiscus simplex Cobbold 1931
Invalid names: Deltadiscus Kobayashi 1943 [synonym]
G. †Helepagetia Jell 1975
G. †Kiskinella Romanenko and Romanenko 1962
+
†Kiskinella cristata Romanenko and Romanenko 1962
G. †Macannaia Jell 1975
+
†Macannaia maladensis Resser 1939
G. †Opsidiscus Westergard 1949
+
†Opsidiscus bilobatus Kobayashi 1939
Invalid names: Aulacodiscus Westergard 1946 [replaced]
G. †Pagetia Walcott 1916
+
†Pagetia aspinosa Sundberg 2018
†Pagetia bootes Walcott 1916
†Pagetia claytonensis Sundberg 2018
†Pagetia clytia Walcott 1916
†Pagetia danzhaiensis Zhang et al. 1980
†Pagetia dayongensis Liu 1982
†Pagetia ellsi Rasetti 1945
†Pagetia ferox Lermontova 1940
†Pagetia fossula Resser 1938
†Pagetia longispina Palmer and Gatehouse 1972
†Pagetia mucrogena Fritz 1968
†Pagetia resseri Kobayashi 1943
†Pagetia rugosa Rasetti 1966
+
Invalid names: Pagetia arenosa Fritz 1968 [synonym]
†Pagetia taijiangensis Yuan et al. 1997
G. †Pagetides Rasetti 1945
+
†Pagetides antarcticus Palmer and Gatehouse 1972
†Pagetides elegans Rasetti 1945
†Pagetides fragum Öpik 1975
†Pagetides spinulus Fritz 1972
Invalid names: Discomesites Öpik 1975 [synonym]
G. †Sinopagetia Zhang and Yuan 1981
+
†Sinopagetia huainanensis Yuan and Li 1999
†Sinopagetia jinnanensis Zhang et al. 1980
†Sinopagetia neimengguensis Zhang and Yuan 1981
Fm. †Hebediscidae Kobayashi 1944
+
G. †Delgadella Walcott 1908
+
†Delgadella caudatus Delgado 1904
†Delgadella lenaicus Toll 1899
†Delgadella souzai Delgado 1904
Invalid names: Alemtejoia Kobayashi 1943 [synonym], Delgadodiscus Kobayashi 1935 [synonym], Delgadoia Vogdes 1917 [synonym], Pagetiellus Lermontova 1940 [synonym]
G. †Dicerodiscus Chang 1974
G. †Dipharus Clark 1923
+
Invalid names: Hebediscus Whitehouse 1936 [synonym]
G. †Limbadiscus Korobov 1980
+
†Limbadiscus dilata Korobov 1980
†Limbadiscus incita Romanenko 1978
Invalid names: Natalina Romanenko 1978 [replaced]
G. †Luvsanodiscus Korobov 1980
+
†Luvsanodiscus gammatus Korobov 1980
G. †Neopagetina Pokrovskaya 1960
+
†Neopagetina rjonsnitzkii Lermontova 1940
G. †Parapagetia Repina 1964
+
†Parapagetia patulus Korobov 1980
Invalid names: Planodiscus Korobov 1980 [synonym]
G. †Tchernyshevioides Khairullina 1975
+
†Tchernyshevioides ninae Repina 1975
Fm. †Tsunyidiscidae Zhang 1980
+
G. †Tsunyidiscus Chang 1966
+
†Tsunyidiscus aclis Zhou 1975
+
Invalid names: Emeidiscus planilimbatus Li 1980 [synonym], Mianxiandiscus badaowanensis Luo 1981 [synonym], Mianxiandiscus emeiensis Zhang et al. 1980 [synonym], Mianxiandiscus gaoqiaoensis Li 1980 [synonym], Mianxiandiscus jinningensis Luo 1981 [synonym], Mianxiandiscus sichuanensis Li 1980 [synonym]
†Tsunyidiscus longquanensis Zhang and Zhu 1980
†Tsunyidiscus pertenus Lin et al. 2004
†Tsunyidiscus tingi Lu 1942
†Tsunyidiscus yanjiazhaiensis Zhang et al. 1980
Invalid names: Emeidiscus Li 1980 [synonym], Guizhoudiscus Zhang et al. 1980 [synonym], Hupeidiscus Zhang 1974 [synonym], Mianxiandiscus Zhang et al. 1980 [synonym], Shizhudiscus Zhang et al. 1980 [synonym]
Fm. †Weymouthiidae Kobayashi 1943
+
G. †Abakolia Bognibova 1970
+
†Abakolia pauca Bognibova 1971
Invalid names: Costadiscus Babcock 1994 [synonym]
G. †Acidiscus Rasetti 1966
+
†Acidiscus birdi Rasetti 1966
†Acidiscus theristes Rushton 1966
G. †Acimetopus Rasetti 1966
G. †Analox Rasetti 1966
+
†Analox bipunctata Rasetti 1966
G. †Bathydiscus Rasetti 1966
+
G. †Bolboparia Rasetti 1966
+
†Bolboparia superba Rasetti 1966
G. †Chelediscus Rushton 1966
+
†Chelediscus acifer Rushton 1966
†Chelediscus chathamensis Rasetti 1967
G. †Cobboldites Kobayshi 1943
+
G. †Leptochilodiscus Rasetti 1966
+
Invalid names: Kerberodiscus Bassett 1976 [synonym]
G. †Litometopus Rasetti 1966
G. †Mallagnostus Howell 1935
+
†Mallagnostus desideratus Walcott 1890
†Mallagnostus llarenai Richter 1941
Invalid names: Jinghediscus Xiang and Zhang 1985 [synonym], Ladadiscus Pokrovskaya 1959 [synonym]
G. †Meniscuchus Opik 1975
+
†Meniscuchus nanus Palmer 1968
G. †Morocconus Özdikmen 2009
+
†Morocconus notabilis Geyer 1988
Invalid names: Cephalopyge Geyer 1988 [replaced]
G. †Ninadiscus Korobov 1980
G. †Oodiscus Rasetti 1966
G. †Pseudocobboldia Hupé 1960
+
G. †Runcinodiscus Rushton 1976
+
†Runcinodiscus index Rushton 1976
G. †Semadiscus Romanenko 1978
+
†Semadiscus sollennis Romanenko 1978
G. †Serrodiscus Richter and Richter 1941
+
†Serrodiscus bellimarginatus Shaler and Foerste 1888
†Serrodiscus daedalus Öpik 1975
†Serrodiscus gravestocki Bengtson et al. 1990
†Serrodiscus speciosus Ford 1873
†Serrodiscus weymouthioides Fletcher and Theokritoff 2008
G. †Stigmadiscus Rasetti 1966
G. †Tannudiscus Pokrovskaya 1959
+
†Tannudiscus altus Repina 1975
G. †Weymouthia Raymond 1913
+
†Weymouthia nobilis Ford 1872
Fm. †Yukoniidae Zhang 1980
+
G. †Alaskadiscus Zhang 1980
+
†Alaskadiscus spinosus Palmer 1968
G. †Egyngolia Korobov 1980
+
†Egyngolia obtusa Korobov 1980
†Egyngolia willochra Bengtson et al. 1990
†Egyngolia zaicevi Korobov 1980
Invalid names: Mongolodiscus Korobov 1980 [synonym]
G. †Ekwipagetia Fritz 1973
+
†Ekwipagetia marginata Rasetti 1967
G. †Hebediscina Rasetti 1972
+
†Hebediscina blagonravovi Korobov 1980
†Hebediscina longispinus Qian and Yao 1974
†Hebediscina sardoa Rasetti 1972
†Hebediscina yuqingensis Zhang et al. 1980
Invalid names: Margodiscus Korobov 1980 [synonym], Szechuanaspis [synonym], Zhenbadiscus Zhang and Zhang 1980 [synonym]
G. †Lenadiscus Repina 1965
+
†Lenadiscus unicus Repina 1965
G. †Yukonia Palmer 1968
G. †Yukonides Fritz 1972
+
†Yukonides lacrinus Fritz 1972
Invalid names: Pagetiidae Kobayashi [empty]
G. †Formagnostus Ergaliev 1980
Fm. †Glyptagnostidae Whitehouse 1936
hide
G. †Agnostardis Opik 1963
+
G. †Lavsanodiscus Korobov 1980
Fm. †Sphaeragnostidae Kobayashi 1939
hide
G. †Sphaeragnostus Cooper and Kindle 1936
+
†Sphaeragnostus gaspensis Cooper and Kindle 1936
†Sphaeragnostus similaris Barrande 1872
Invalid names: Quadrahomagnostinae Peng 1992 [empty]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Locomotion: slow-movingo
Life habit: epifaunalo
Diet: detritivoreo
Comments: ECOSPACE CODE: 121.o
Created: 2004-02-29 09:55:43
Modified: 2018-11-10 16:55:31
Source: o = order
Reference: Kiessling 2004

Age range: base of the Tommotian to the top of the Aeronian or 525.50000 to 438.50000 Ma

Collections (2484 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Caerfai538.8 - 509.0USA (New York) Pagetides elagans (8236) Serrodiscus sp. (181)
Early/Lower Cambrian538.8 - 509.0Canada (Northwest Territories) Pagetides sp., Pagetides spinulus (156156) Pagetides spinulus (156132 156143 156145 156147 156159) Pagetides spinulus, Yukonides lacrinus (156150 156157 156158) Yukonides lacrinus (156152)
Early/Lower Cambrian538.8 - 509.0Norway (Ringsaker) Runcinodiscus index (191020)
Caerfai - St Davids538.8 - 497.0Italy (Sardinia) Dawsonia bohemica (55905) Dawsonia bohemica, Condylopyge antiqua, Skryjagnostus pompeckji (55902) Dawsonia bohemica, Skryjagnostus pompeckji (55904)
Cambrian538.8 - 485.4USA (South Dakota) Agnostus sp., Kormagnostus sp., Pseudagnostus sp. (231)
Cambrian538.8 - 485.4Norway (Valdres-Vardal) Agnostus obesus (194063 194064 194065) Agnostus pisiformis (194051)
Cambrian538.8 - 485.4Norway (Eiker-Sandsvær ) Agnostus pisiformis (194037)
Cambrian538.8 - 485.4Norway (Hedmark) Agnostus pisiformis (194045)
Cambrian538.8 - 485.4Norway (Hamar) Agnostus pisiformis (194046)
Cambrian538.8 - 485.4Norway (Oslo-Asker) Agnostus obesus (194060 194061) Agnostus pisiformis (194042)

Youngest occurrences
Time interval Ma Country or state PBDB collection number
Ashgill449.5 - 443.7USA (Maine) Sphaeragnostus sp., Trinodus tardus, Corrugatagnostus sp., Geragnostus sp. (185954)
Ashgill449.5 - 443.7China (ZheJiang) Corrugatagnostus sp. (7767)
Cautleyan449.2 - 448.8United Kingdom (Wales) Arthrorhachis tarda (166331)
Cautleyan - Rawtheyan449.2 - 445.2Belgium Arthrorhachis tarda (185303)
Rawtheyan448.8 - 445.2Belgium Arthrorhachis tarda (185319)
Rawtheyan448.8 - 445.2United Kingdom (England) Arthrorhachis sp. (3666) Sphaeragnostus sp., Arthrorhachis sp. (3671 3676) Trinodus sp. (3670)
Rawtheyan448.8 - 445.2United Kingdom (Wales) Arthrorhachis sp., Trinodus sp. (3675) Trinodus sp. (81274)
Rawtheyan448.8 - 445.2Norway (Oslo) Arthrorhachis tarda (163300)
Hirnantian445.2 - 443.4Poland Arthrorhachis sp. (2760)
Aeronian440.8 - 438.5United Kingdom (England) Dawsonia sp. (453)