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Eodiscina

Agnostida

Taxonomy
Eodiscina was named by Kobayashi (1939). It was considered monophyletic by Adrain (2011).

It was reranked as the order Eodiscida by Adrain (2011).

It was assigned to Trilobita by Adrain (2011); and to Agnostida by Palmer and Gatehouse (1972), Skovsted (2006) and Moysiuk and Caron (2019).

Synonymy list
YearName and author
1939Eodiscina Kobayashi
1972Eodiscina Palmer and Gatehouse p. 10
2006Eodiscina Skovsted p. 1093
2011Eodiscida Adrain p. 104
2019Eodiscina Moysiuk and Caron

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumArtiopoda(Hou and Bergstrom)
orderAgnostidaSalter 1864
suborderEodiscina
suborderEodiscina

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.

Subor. †Eodiscina Kobayashi 1939
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Fm. †Calodiscidae Kobayashi 1943
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G. †Calodiscus Howell 1935
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Calodiscus helena Walcott 1890
Calodiscus lobatus Hall 1847
Invalid names: Brevidiscus Kobayashi 1943 [synonym]
G. †Korobovia Jell 1990
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Korobovia khorbosuonica Korovnikov 2007
Korobovia ocellata Bengtson et al. 1990
G. †Neocobboldia Rasetti 1952
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Neocobboldia dentata Lermontova 1940
Neocobboldia yichunensis Duan and An 2001
G. †Sinodiscus Chang 1974
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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
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G. †Dawsonia Hartt 1868
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Dawsonia dawsoni Hartt 1868
Invalid names: Aculeodiscus Snajdr 1950 [synonym]
G. †Eodiscus Matthew 1896
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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
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Kiskinella cristata Romanenko and Romanenko 1962
G. †Macannaia Jell 1975
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Macannaia maladensis Resser 1939
G. †Opsidiscus Westergard 1949
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Opsidiscus bilobatus Kobayashi 1939
Invalid names: Aulacodiscus Westergard 1946 [replaced]
G. †Pagetia Walcott 1916
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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
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Invalid names: Pagetia arenosa Fritz 1968 [synonym]
Pagetia taijiangensis Yuan et al. 1997
G. †Pagetides Rasetti 1945
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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
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Sinopagetia huainanensis Yuan and Li 1999
Sinopagetia jinnanensis Zhang et al. 1980
Sinopagetia neimengguensis Zhang and Yuan 1981
Fm. †Hebediscidae Kobayashi 1944
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G. †Delgadella Walcott 1908
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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
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Invalid names: Hebediscus Whitehouse 1936 [synonym]
G. †Limbadiscus Korobov 1980
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Limbadiscus dilata Korobov 1980
Limbadiscus incita Romanenko 1978
Invalid names: Natalina Romanenko 1978 [replaced]
G. †Luvsanodiscus Korobov 1980
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Luvsanodiscus gammatus Korobov 1980
G. †Neopagetina Pokrovskaya 1960
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Neopagetina rjonsnitzkii Lermontova 1940
G. †Parapagetia Repina 1964
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Parapagetia patulus Korobov 1980
Invalid names: Planodiscus Korobov 1980 [synonym]
G. †Tchernyshevioides Khairullina 1975
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Tchernyshevioides ninae Repina 1975
Fm. †Tsunyidiscidae Zhang 1980
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G. †Tsunyidiscus Chang 1966
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Tsunyidiscus aclis Zhou 1975
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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
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G. †Abakolia Bognibova 1970
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Abakolia pauca Bognibova 1971
Invalid names: Costadiscus Babcock 1994 [synonym]
G. †Acidiscus Rasetti 1966
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Acidiscus birdi Rasetti 1966
Acidiscus theristes Rushton 1966
G. †Acimetopus Rasetti 1966
G. †Analox Rasetti 1966
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Analox bipunctata Rasetti 1966
G. †Bathydiscus Rasetti 1966
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G. †Bolboparia Rasetti 1966
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Bolboparia superba Rasetti 1966
G. †Chelediscus Rushton 1966
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Chelediscus acifer Rushton 1966
Chelediscus chathamensis Rasetti 1967
G. †Cobboldites Kobayshi 1943
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G. †Leptochilodiscus Rasetti 1966
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Invalid names: Kerberodiscus Bassett 1976 [synonym]
G. †Litometopus Rasetti 1966
G. †Mallagnostus Howell 1935
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Mallagnostus desideratus Walcott 1890
Mallagnostus llarenai Richter 1941
Invalid names: Jinghediscus Xiang and Zhang 1985 [synonym], Ladadiscus Pokrovskaya 1959 [synonym]
G. †Meniscuchus Opik 1975
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Meniscuchus nanus Palmer 1968
G. †Morocconus Özdikmen 2009
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Morocconus notabilis Geyer 1988
Invalid names: Cephalopyge Geyer 1988 [replaced]
G. †Ninadiscus Korobov 1980
G. †Oodiscus Rasetti 1966
G. †Pseudocobboldia Hupé 1960
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G. †Runcinodiscus Rushton 1976
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Runcinodiscus index Rushton 1976
G. †Semadiscus Romanenko 1978
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Semadiscus sollennis Romanenko 1978
G. †Serrodiscus Richter and Richter 1941
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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
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Tannudiscus altus Repina 1975
G. †Weymouthia Raymond 1913
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Weymouthia nobilis Ford 1872
Fm. †Yukoniidae Zhang 1980
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G. †Alaskadiscus Zhang 1980
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Alaskadiscus spinosus Palmer 1968
G. †Egyngolia Korobov 1980
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Egyngolia obtusa Korobov 1980
Egyngolia willochra Bengtson et al. 1990
Egyngolia zaicevi Korobov 1980
Invalid names: Mongolodiscus Korobov 1980 [synonym]
G. †Ekwipagetia Fritz 1973
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Ekwipagetia marginata Rasetti 1967
G. †Hebediscina Rasetti 1972
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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
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Lenadiscus unicus Repina 1965
G. †Yukonia Palmer 1968
G. †Yukonides Fritz 1972
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Yukonides lacrinus Fritz 1972
Invalid names: Pagetiidae Kobayashi [empty]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Locomotion: slow-movingo
Life habit: epifaunalo
Diet: detritivoreo
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 (359 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 - 509.0Norway (Ringsaker) Runcinodiscus index (191020)
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)
Caerfai - St Davids538.8 - 497.0Italy (Sardinia) Dawsonia bohemica (55902 55904 55905)
Cambrian538.8 - 485.4Argentina (San Juan ) Pagetia sp. (200108)
Cambrian538.8 - 485.4Canada (British Columbia) Pagetia sp. (186)
Cambrian538.8 - 485.4Argentina (Mendoza) Pagetia sp. (200109)
Tommotian525.5 - 521.0Russian Federation (Yakutiya) Pagetiellus anabarus, Pagetiellus sp., Pagetiellus sakhaicus (179712)
Atdabanian521.0 - 516.0Australia (South Australia) Egyngolia willochra (225093)
Atdabanian521.0 - 516.0United Kingdom (Wales) Serrodiscus ctenoa, Kerberodiscus succinctus, Runcinodiscus index (41750) Serrodiscus sp. (41747)

Youngest occurrences

Time interval Ma Country or state PBDB collection number
Menevian504.5 - 499.5Greenland (Nyeboe Land) Eodiscus punctatus (9935)
Undillan503.0 - 500.5Australia (Queensland) Diplagnostus bilobatus (225221)
Boomerangian500.5 - 499.0Mexico Pagetia resseri (200299)
Guzhangian500.5 - 497.0Antarctica Pagetides antarcticus (154032)
Guzhangian500.5 - 497.0China (Hunan) Helepagetia bitruncula (49176)
Furongian497.0 - 485.4Svalbard and Jan Mayen Calodiscus agnostoides, Calodiscus sp., Serrodiscus speciosus, Serrodiscus bellimarginatus (212582) Pagetia sp., Serrodiscus speciosus (212581)
Merioneth497.0 - 485.4Sweden (Scania) Opsidiscus bilobatus (225141)
Merioneth497.0 - 485.4Canada (Alberta-British Columbia) Pagetia sp. (213)
Merioneth497.0 - 485.4USA (Idaho) Pagetia sp. (198)
Aeronian440.8 - 438.5United Kingdom (England) Dawsonia sp. (453)