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Trigoniida
Taxonomy
Trigonioida was named by Dall (1889). It is extant.
It was corrected as Trigoniida by Bouchet et al. (2010) and Carter et al. (2011).
It was assigned to Bivalvia by Sepkoski (2002); to Palaeoheterodonta by Newell (1965), Vokes (1980), Giribet and Wheeler (2002) and Bieler and Mikkelsen (2006); to Heteroconchia by Scholz et al. (2008); to Palaeoheterodonta by Bouchet et al. (2010); and to Unionata by Carter et al. (2011).
It was corrected as Trigoniida by Bouchet et al. (2010) and Carter et al. (2011).
It was assigned to Bivalvia by Sepkoski (2002); to Palaeoheterodonta by Newell (1965), Vokes (1980), Giribet and Wheeler (2002) and Bieler and Mikkelsen (2006); to Heteroconchia by Scholz et al. (2008); to Palaeoheterodonta by Bouchet et al. (2010); and to Unionata by Carter et al. (2011).
Subtaxa
Andivaugonia, Antutitrigonia, Arabitrigonia, Beichuanioidea, Columbitrigonia, Dampietrigonia, Gobiella, Heslingtonia, Kupenga, Litotrigonia, Lyrodesmatacea, Macrotrigonia, Mediterraneotrigonia, Megatrigonioidea, Myophorellina, Myophorelloidea, Nakanotrigonia, Neuquenenitrigonia, Paranditrigonia, Procostaria, Pseudocardinioidea, Skwarkoella, Trigoniina, Trigonioidea, Trigonioidoidea, Trigonodoidea, Virgotrigonia, Zaletrigonia, Zulutrigonia
Synonymy list
Year | Name and author |
---|---|
1889 | Trigonioida Dall |
1965 | Trigonioida Newell p. 18 |
1980 | Trigonioida Vokes p. 69 |
2002 | Trigonioida Giribet and Wheeler |
2002 | Trigonioida Sepkoski |
2006 | Trigonioida Bieler and Mikkelsen p. 230 |
2008 | Trigonioida Scholz et al. |
2010 | Trigoniida Bouchet et al. |
2011 | Trigoniida Carter et al. p. 11 |
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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. Trigoniida Dall 1889
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G. †Andivaugonia
G. †Antutitrigonia
G. †Arabitrigonia
G. †Columbitrigonia
G. †Dampietrigonia
G. †Gobiella
G. †Heslingtonia Fleming 1987
G. †Kupenga
G. †Litotrigonia
G. †Macrotrigonia Camacho and Olivero 1985
Superfm. †Myophorelloidea Kobayashi 1954
+
Unr. †Megatrigonioidae van Hoepen 1929
+
Unr. †Megatrigoniitae van Hoepen 1929
+
Fm. †Megatrigoniidae van Hoepen 1929
+
Subfm. †Megatrigoniinae van Hoepen 1929
Invalid names: Anditrigoniidae Leanza 1993 [synonym]
Invalid names: Iotrigoniidae Saveliev 1958 [empty]
Unr. †Myophorelloidae Kobayashi 1954
+
Fm. †Laevitrigoniidae Saveliev 1958
+
Subfm. †Frenguelliellinae Nakano 1960
+
G. †Frenguelliella Leanza 1942
G. †Jaworskiella Leanza 1942
G. †Quadratojaworskiella Reyes and Perez 1980
Fm. †Myophorellidae Kobayashi 1954
+
Subfm. †Myophorellinae Kobayashi 1954
+
G. †Austromyophorella Cooper 2011
G. †Orthotrigonia Cox 1952
G. †Retetrigonia Ayoub-Hannaa et al. 2023
G. †Scaphorella
Invalid names: Myophorellini Kobayashi 1954 [empty], Steinmanellini Cooper 1991 [empty]
Subfm. †Steinmanellinae Cooper 1991
+
G. †Neuquenella Cooper and Leanza 2017
G. †Philippiella Cooper and Leanza 2017
G. †Pseudoyaadia Cooper and Leanza 2017
G. †Splenditrigonia Leanza 1993
G. †Steinmanella Crickmay 1930
G. †Stoyanowella Cooper and Leanza 2017
G. †Transitrigonia Dietrich 1933
G. †Weaverella Cooper and Leanza 2017
Subfm. †Vaugoniinae Kobayashi 1954
+
Tr. †Vaugoniini Kobayashi 1954
Invalid names: Quadratotrigoniini Saveliev 1958 [empty]
Fm. †Steinmanellidae Cooper 1991
+
Subfm. †Yaadiinae Cooper and Leanza 2017
+
G. †Louella Cooper and Leanza 2017
+
G. †Popenoella Cooper and Leanza 2017
+
†Popenoella hemphilli Anderson 1958
Invalid names: Packardella Kobayashi and Amano 1955 [synonym]
G. †Yaadia Crickmay 1930
+
Subg. †Yaadia (Leptotrigonia)
†Yaadia branti Saul 1978
†Yaadia californiana Packard 1921
†Yaadia jonesi Saul 1978
†Yaadia leana Gabb 1900
+
Invalid names: Trigonia colusaensis Anderson 1958 [synonym], Trigonia wheelerensis Anderson 1958 [synonym]
†Yaadia lewisagassizi Crickmay 1930
†Yaadia pinea Saul 1978
†Yaadia robusta Saul 1978
†Yaadia romanovskii Archangelski 1900
†Yaadia tryoniana Gabb 1864
Invalid names: Frenguelliellidae Nakano 1960 [empty]
G. †Nakanotrigonia
G. †Paranditrigonia
G. †Procostaria
Superfm. †Pseudocardinioidea Martinson 1961
+
Fm. †Pseudocardiniidae Martinson 1961
+
G. †Apseudocardinia Liu and Zhu 1978
+
†Apseudocardinia hupehensis Grabau 1923
†Apseudocardinia sichuanensis Liu and Zhu 1978
G. †Hamiconcha Huang et al. 1981
G. †Jiangxiella Liu 1968
+
†Jiangxiella datianensis Liu 1976
†Jiangxiella elliptica Liu 1976
†Jiangxiella plana Liu 1976
†Jiangxiella subovata Liu 1976
G. †Pseudocardinia Martinson 1959
G. †Skwarkoella
Superfm. Trigonioidea Lamarck 1819
+
Fm. †Costatoriidae Newell and Boyd 1975
+
G. †Procostatoria Newell and Boyd 1975
+
†Procostatoria cooperi Newell and Boyd 1975
†Procostatoria gloveri Newell and Boyd 1975
†Procostatoria sexradiata Branson 1930
Fm. †Eoschizodidae Newell and Boyd 1975
+
Fm. †Groeberellidae Pérez et al. 1995
+
Fm. †Ladinomyidae Prinoth and Posenato 2023
+
Fm. †Myophoriidae Bronn 1847
+
G. †Costatoria Waagen 1907
+
†Costatoria costata Zenker 1833
†Costatoria fallax Seebach 1833
†Costatoria inaequicostata Klipstein 1843
†Costatoria katsurensis Nakazawa 1967
†Costatoria kobayashii Kambe 1951
†Costatoria melanesiana Skwarko 1967
†Costatoria nazeensis Guo 1985
†Costatoria omanica Diener 1908
†Costatoria subrotunda Bittner 1901
†Costatoria vestitaeformis Krumbeck 1923
†Costatoria whateleyae Buch 1845
†Myophoria (Costatoria) goldfussi Alberti 1830
†Myophoria (Costatoria) kweichowensis Ku 1957
†Myophoria (Costatoria) mansuyi Reed 1927
†Myophoria (Costatoria) minor Chen 1976
†Myophoria (Costatoria) napangensis Healey 1908
†Myophoria (Costatoria) nuitoensis Vukhuc 1965
†Myophoria (Costatoria) radiata Loczy 1899
†Myophoria (Costatoria) submultistriata Chen 1976
†Myophoria (Costatoria) szechenyii Loczy 1899
G. †Elegantinia Waagen 1907
+
†Elegantinia elegans Dunker 1849
†Elegantinia lijiangensis Guo 1985
†Elegantinia paullorum Boyd and Newell 1997
†Myophoria (Elegantinia) grahami McLearn 1941
†Myophoria (Elegantinia) venusta Chen 1976
Invalid names: Lyriomyophoria Kobayashi 1954 [objective synonym]
G. †Gruenewaldia von Wöhrmann 1889
+
†Gruenewaldia decussata Munster 1838
†Gruenewaldia iranica Hautmann 2001
†Gruenewaldia magna Hautmann 2001
†Gruenewaldia woehrmanni Bittner 1895
G. †Guizhoumyophoria Fang 2009
+
†Guizhoumyophoria quadrata Yin 1974
Invalid names: Quadratia Yin 1974 [replaced]
G. †Hefteria
G. †Heminajas Wöhrmann 1891
+
†Heminajas balatonis Frech 1905
†Heminajas fissidentata von Wöhrmann 1889
†Heminajas fornulata Chen 1976
†Heminajas geyeri Waagen 1907
†Heminajas haastiana Wilckens 1918
†Heminajas qinghaiensis Lu 1981
†Heminajas woehrmanni Waagen 1907
G. †Myophoria Bronn 1834
+
Subg. †Myophoria (Rhenania) Waagen 1907
Subg. †Myophoria (Tropiphora) Waagen 1907
†Myophoria acuticostata Broili 1904
†Myophoria adornata McLearn 1942
†Myophoria ambilineata White 1877
†Myophoria beringiana Smith 1927
†Myophoria bittneri Newton 1923
†Myophoria blainvillei Klipstein 1843
†Myophoria blakei Cox 1932
†Myophoria brockensis Smith 1927
†Myophoria cairnesi McLearn 1942
†Myophoria chenopus Laube 1865
†Myophoria costulata Bittner 1895
†Myophoria coxi Awad 1945
†Myophoria ebbae Isberg 1934
†Myophoria elliptica Ogilvie Gordon 1927
†Myophoria germanica Hohenstein 1914
†Myophoria goldfussi Alberti 1834
†Myophoria harpa Munster 1837
†Myophoria heslingtonensis Trechmann 1917
†Myophoria humboldtensis Smith 1927
†Myophoria incurvata Seebach 1867
†Myophoria inflata Emmrich 1853
†Myophoria intermedia Schauroth 1857
†Myophoria kefersteini Münster 1828
†Myophoria kokeni Bittner 1895
†Myophoria kuuoruensis Skwarko 1967
†Myophoria liasica Stoppani 1857
†Myophoria maxima Krumbeck 1923
†Myophoria mexicana de Cserna 1961
†Myophoria nifukokoensis Krumbeck 1924
†Myophoria ornata Münster 1841
†Myophoria picta Lepsius 1878
†Myophoria proharpa Frech 1912
†Myophoria reziae Stoppani 1865
†Myophoria solitaria Bittner 1895
†Myophoria staggi Skwarko 1967
†Myophoria stenonis Stoppani 1865
†Myophoria subtrigonata Airaghi 1907
†Myophoria subvestita Krumbeck 1913
†Myophoria timorensis Krumbeck 1924
†Myophoria transversa Bornemann 1856
†Myophoria vestita Alberti 1864
†Myophoria volzi Frech 1912
†Myophoria vulgaris von Schlotheim 1820
†Myophoria zeballos McLearn 1942
Invalid names: Trigonellites von Schlotheim 1820 [synonym]
G. †Neoschizodus Giebel 1855
+
†Myophoria (Neoschizodus) kreitneri Loczy 1899
Subg. †Neoschizodus (Okunominetania) Ichikawa 1949
†Neoschizodus cardissoides Ziethen 1830
†Neoschizodus elongatus Boyd and Newell 1997
†Neoschizodus elongatus Philippi 1898
†Neoschizodus elongatus Giebel 1856
†Neoschizodus hubeiensis Zhang 1977
†Neoschizodus kitakamiensis Nakazawa and Newell 1968
†Neoschizodus kobayashii Ichikawa 1951
†Neoschizodus kolymensis Bychkov et al. 1976
†Neoschizodus laevigatus Ziethen 1830
†Neoschizodus mongumensis Skwarko 1967
†Neoschizodus orbicularis Bronn 1837
†Neoschizodus ovatus Goldfuss 1838
†Neoschizodus permicus Nakazawa 1960
†Neoschizodus praeorbicularis Bittner 1901
†Neoschizodus thaynesianus Newell and Boyd 1975
G. †Paraschizodus Newell and Boyd 1975
+
†Paraschizodus elongatus Newell and Boyd 1975
†Paraschizodus rothi Newell and Boyd 1975
G. †Rhenania Waagen 1907
+
G. †Toechomya
Invalid names: Cytherodontidae Miller [synonym], Gruenewaldiidae Cooper 1991 [synonym]
Fm. †Prosogyrotrigoniidae Kobayashi 1954
+
Subfm. †Praegoniinae Fleming 1962
+
Subfm. †Prosogyrotrigoniinae Kobayashi 1954
+
G. †Prosogyrotrigonia Krumbeck 1924
+
†Prosogyrotrigonia tenuis Pérez et al. 2008
†Prosogyrotrigonia timorensis Krumbeck 1924
Fm. †Scaphellinidae Newell and Ciriacks 1962
+
G. †Scaphellina Newell and Ciriacks 1962
+
†Scaphellina concinna Branson 1930
+
Invalid names: Scaphellina bradyi Newell and Ciriacks 1962 [synonym], Scaphellina phosphoriensis Branson 1930 [synonym]
†Scaphellina praeobscurus Guskov 1984
Fm. †Schizodidae Newell and Boyd 1975
+
Subfm. †Eoastartinae Newell and Boyd 1975
+
G. †Eoastarte Ciriacks 1963
+
†Eoastarte primaeva Waagen 1881
†Eoastarte subcircularis Ciriacks 1963
G. †Kaibabella Chronic 1952
+
Subg. †Kaibabella (Flattopia) Waterhouse 1987
†Kaibabella basilica Newell and Boyd 1975
†Kaibabella boydi Waterhouse 1983
†Kaibabella curvilenata Chronic 1952
†Kaibabella ovata Waterhouse 1983
†Kaibabella schizodiiformis Lu 1986
G. †Schizodus King 1844
+
†Schizodus acuminatus Hoare et al. 1978
†Schizodus affinis Herrick 1887
†Schizodus alpinus Hall 1858
†Schizodus altus Newell and Boyd 1975
†Schizodus antiquus Hind 1898
†Schizodus australis Runnegar 1969
†Schizodus bifidus Ciriacks 1963
†Schizodus canalis Branson 1930
†Schizodus cardissa Waagen 1881
†Schizodus chemungensis Conrad 1842
†Schizodus chesterensis Meek and Worthen 1860
†Schizodus compressus Rogers 1900
†Schizodus compressus Waagen 1881
†Schizodus crespinae Dickins 1957
†Schizodus cuneatus Meek 1875
†Schizodus curtiformis Walcott 1884
†Schizodus curtus Meek and Worthen 1866
†Schizodus cycloliratus Harrington 1955
†Schizodus deparcus Walcott 1884
†Schizodus depressus Worthen 1884
+
Invalid names: Schizodus abruptus Girty 1915 [objective synonym], Schizodus circularis Worthen 1884 [synonym]
†Schizodus dianensis Guo 1985
†Schizodus dubiiformis Waagen 1881
†Schizodus ellioti Maxwell 1964
†Schizodus elongatus Grabau 1931
†Schizodus emarginatus Reed 1944
†Schizodus ferrieri Girty 1910
†Schizodus fitzroyensis Dickins 1963
†Schizodus globosus Maxwell 1964
†Schizodus guizhouensis Liu and Xu 1976
†Schizodus hedongensis Liu 1976
†Schizodus japonicus Hayasaka 1925
†Schizodus jiangbianensis Fang and Yin 1995
†Schizodus jiangheensis Lu 1986
†Schizodus jiangxiensis Li and Ding 1982
†Schizodus kennedyensis Dickins 1956
†Schizodus lianyuanensis Zhang 1977
†Schizodus lopingensis Kayser 1883
†Schizodus magnus Worthen 1884
†Schizodus meekanus Girty 1900
†Schizodus minutus Maxwell 1964
†Schizodus negrii Bittner 1892
†Schizodus obscurus Sowerby 1821
+
Invalid names: Axinus parvus Brown 1839 [synonym], Axinus pucillus Brown 1839 [synonym], Axinus undatus Brown 1839 [synonym], Lucina minima Brown 1839 [synonym]
†Schizodus occidentalis Reed 1930
†Schizodus ovatus Meek and Hayden 1858
†Schizodus parvulus Cooper 1953
†Schizodus pinguis Waagen 1881
†Schizodus pintoensis Walcott 1884
†Schizodus rhynchophorus Ponomarenko 2011
†Schizodus rossicus de Verneuil 1845
†Schizodus rotundatus Brown 1839
†Schizodus sandimanensis Dickins 1963
†Schizodus schlotheimi Geinitz 1841
†Schizodus securus Shumard 1859
†Schizodus sinensis Liu 1976
†Schizodus subcircularis Herrick 1887
†Schizodus subobscurus Licharew 1933
†Schizodus subovatus Ciriacks 1963
†Schizodus subquadratus Grabau 1931
†Schizodus supaiensis Winters 1963
†Schizodus texanus Clifton 1942
†Schizodus tibeticus Liu and Cui 1983
†Schizodus trigonalis Sayre 1930
†Schizodus tschernjaki Muromtseva 1974
†Schizodus ulrichi Worthen 1890
†Schizodus wheeleri Swallow 1863
†Schizodus wyomingensis Newell and Boyd 1975
†Schizodus xiangtanensis Fang 1987
Invalid names: Protoschizodus de Koninck 1885 [synonym], Schizodus jiaozishanensis Xu 1980 [nomen nudum], Schizodus qinglongensis Xu 1980 [nomen nudum]
G. †Silurozodus Liljedahl 1992
Invalid names: Schizodinae Newell and Boyd 1975 [empty]
Fm. Trigoniidae Lamarck 1819
+
G. †Actinotrigonia
G. †Buchotrigonia Dietrich 1938
+
Subg. †Buchotrigonia (Syrotrigonia) Cox 1952
+
†Buchotrigonia (Syrotrigonia) distans Noetling 1886
†Buchotrigonia (Syrotrigonia) fraasi Cox 1952
+
Invalid names: Trigonia syriaca Fraas 1878 [replaced]
†Buchotrigonia cazadoriana Wilckens 1907
†Buchotrigonia collombi Vilanova 1863
†Buchotrigonia deshayesi Vilanova 1863
†Buchotrigonia flexicostata Fritzsche 1924
†Buchotrigonia inca Fritzsche 1924
†Buchotrigonia pizcuetana Vilanova 1863
†Buchotrigonia scheibei Dietrich 1938
G. †Climacotrigonia
G. †Eotrigonia Cossmann 1912
+
†Eotrigonia semiundulata Jenkins 1865
+
†Trigonia semiundulata granosa Pritchard 1903
Invalid names: Trigonia subundulata Jenkins 1865 [synonym]
†Eotrigonia tubulifera Tate 1885
†Trigonia semiundulata lutosa Pritchard 1903
G. †Geratrigonia Kobayashi 1954
+
†Geratrigonia hosourensis Yokoyama 1904
†Geratrigonia kurumensis Kobayashi 1954
G. †Heterotrigonia Cox 1952
+
†Heterotrigonia diversicostata Whiteaves 1876
†Heterotrigonia sawatai Yehara 1900
G. †Ibotrigonia
G. †Kyushutrigonia Tamura and Nishimura 1994
+
†Kyushutrigonia hachibarensis Tamura and Nishimura 1994
G. †Latitrigonia Kobayashi 1957
G. †Linotrigonia van Hoepen 1929
+
Subg. †Linotrigonia (Oistotrigonia) Cox 1952
+
†Linotrigonia (Oistotrigonia) kitamurai Tashiro 1988
†Linotrigonia (Oistotrigonia) lima Glaessner 1958
†Oistotrigonia antarctica Wilckens 1900
†Oistotrigonia archiaciana d'Orbigny 1900
†Oistotrigonia austronana Stilwell and Gallagher 2009
†Oistotrigonia constantii d'Orbigny 1900
†Oistotrigonia crenifera Stoliczka 1872
†Oistotrigonia cunningtoni Lycett 1875
†Oistotrigonia guelemensis Vogel 1900
†Oistotrigonia inornata d'Orbigny 1900
†Oistotrigonia lamarckii Matheron 1900
†Oistotrigonia ornata d'Orbigny 1843
†Oistotrigonia parva Brüggen 1910
†Oistotrigonia pulchra Kitchin 1903
†Oistotrigonia pygoscelium Wilckens 1910
†Oistotrigonia pyrrha d'Orbigny 1900
†Oistotrigonia spinosa Parkinson 1811
†Oistotrigonia subspinosa de Loriol 1900
†Oistotrigonia tenuisulcata Dujardin 1805
†Oistotrigonia upwarensis Lycett 1875
†Oistotrigonia vicaryana Lycett 1875
†Oistotrigonia waiparensis Woods 1900
†Oistotrigonia weberi Archangelski 1900
†Linotrigonia fittoni Deshayes 1842
†Linotrigonia linifera van Hoepen 1929
†Linotrigonia meyeri Lycett 1875
G. †Lyroschizodus Newell and Boyd 1975
+
†Lyroschizodus djemelensis Boyd and Newell 1979
†Lyroschizodus oklahomensis Beede 1907
†Lyroschizodus orbicularis Newell and Boyd 1975
†Lyroschizodus praecox Waagen 1881
†Lyroschizodus subelegans Waagen 1881
†Lyroschizodus tobai Hayasaka 1925
G. †Maputrigonia Leanza 1985
G. †Megatrigonia van Hoepen 1929
+
Subg. †Megatrigonia (Apiotrigonia) Cox 1952
+
Subg. †Apiotrigonia (Apiotrigonia) Cox 1952
†Apiotrigonia buchi Geinitz 1900
†Apiotrigonia calderoni Cragin 1905
†Apiotrigonia chivensis Archangelski 1916
†Apiotrigonia disparilis d'Orbigny 1844
†Apiotrigonia heterosculpta Stanton 1901
†Apiotrigonia maudensis Whiteaves 1876
†Apiotrigonia newcombei Packard 1921
†Apiotrigonia pennata Sowerby 1819
†Apiotrigonia progonos Paulcke 1903
†Apiotrigonia robinaldina d'Orbigny 1844
†Apiotrigonia subovalis Jimbo 1894
†Apiotrigonia syrdariensis Archangelski 1900
†Apiotrigonia turcmenensis Archangelski 1900
†Megatrigonia (Apiotrigonia) condoni Packard 1921
+
Invalid names: Trigonia packardi Anderson 1958 [synonym]
†Megatrigonia (Apiotrigonia) sulcataria Lamarck 1819
Subg. †Megatrigonia (Iotrigonia) Van Hoepen 1929
+
†Iotrigonia consanguinea Philippi 1899
†Iotrigonia crassitesta van Hoepen 1929
†Iotrigonia dubia Kitchin 1903
†Iotrigonia flexicostata Burwash 1913
†Iotrigonia foveata Philippi 1899
†Iotrigonia gamporrhyncha Philippi 1899
†Iotrigonia glyptica Woods 1917
†Iotrigonia haughtoni Rennie 1936
†Iotrigonia leucothea Philippi 1899
†Iotrigonia limatula Whitehouse 1946
†Iotrigonia lorenti Dana 1849
†Iotrigonia manflarum Philippi 1899
†Iotrigonia ovallei Philippi 1899
†Iotrigonia recurva Kitchin 1903
†Iotrigonia rolli Piatnizky 1900
†Iotrigonia vau Sharpe 1900
†Iotrigonia vscripta Kitchin 1903
†Megatrigonia arsinoe Philippi 1900
†Megatrigonia carrincurensis Leanza 1941
†Megatrigonia conocardiiformis Krauss 1900
†Megatrigonia discors Philippi 1900
†Megatrigonia eximia Philippi 1899
†Megatrigonia obesa van Hoepen 1929
†Megatrigonia picunensis Weaver 1900
†Megatrigonia pusilla Philippi 1899
†Megatrigonia staffi Lange 1900
G. †Mesotrigonia
G. †Microtrigonia
G. †Minetrigonia Kobayashi and Katayama 1938
+
†Minetrigonia anadyrensis Kiparisova 1966
†Minetrigonia bulunensis Kiparisova 1966
†Minetrigonia hegiensis Saeki 1925
†Minetrigonia multicostata Korner 1937
†Minetrigonia pascoensis Steinmann 1930
†Minetrigonia suttonensis Clapp and Shimer 1911
Subfm. †Minetrigoniinae Kobayashi 1954
+
G. †Maoritrigonia Fleming 1962
+
†Maoritrigonia beringica Bychkov 1985
†Maoritrigonia chekhovi Bychkov 1985
†Maoritrigonia columbiana McLearn 1942
†Maoritrigonia mollesensis Pérez and Reyes 1994
†Maoritrigonia nuggetensis Trechmann 1917
†Maoritrigonia otamitensis Trechmann 1917
†Maoritrigonia pirouteti Avias 1953
†Maoritrigonia sparsicostata Pérez and Reyes 1994
G. †Perugonia Kobayashi and Tamura 1968
+
Subg. †Perugonia (Albitrigonia) Prado-Velazco 1991
†Perugonia lissoni Steinmann 1929
G. †Myophorigonia Cox 1952
+
†Myophorigonia jaworskii Steinmann 1929
†Myophorigonia kobayashii Tamura and McRoberts 1993
†Myophorigonia margaritifera Boehm 1904
†Myophorigonia parcinoda Lycett 1872
†Myophorigonia paucicostata Jaworski 1922
†Myophorigonia salasi de Cserna 1961
G. Neotrigonia Cossmann 1912
+
Subg. †Neotrigonia (Callitrigonia)
†Neotrigonia acuticostata McCoy 1866
†Neotrigonia bednalli Verco 1907
†Neotrigonia gemma Iredale 1924
†Neotrigonia kaiyomaruae Habe 1976
†Neotrigonia lamarckii Gray 1838
†Neotrigonia margaritacea Lamarck 1804
Neotrigonia pectinata Lamarck 1819
†Neotrigonia strangei Adams 1854
†Neotrigonia uniophora Gray 1847
Subfm. †Neuquenitrigoniinae Leanza 1993
+
G. †Neuquenitrigonia Leanza and Garate 1987
+
†Neuquenitrigonia huenickeni Leanza and Garate 1985
†Neuquenitrigonia plazaensis Pérez et al. 2008
G. †Nipponitrigonia Cox 1952
+
†Nipponitrigonia kikuchiana Yokoyama 1891
†Nipponitrigonia naumanni Yehara 1923
G. †Pacitrigonia Marwick 1932
+
†Pacitrigonia destefanii Feruglio 1900
†Pacitrigonia ecplecta Wilckens 1907
†Pacitrigonia hanetiana d'Orbigny 1842
†Pacitrigonia patagonica Feruglio 1937
†Pacitrigonia sobrali Leanza and Casadío 1991
†Pacitrigonia sylvesteri Marwick 1932
Subfm. †Psilotrigoniinae Fleming 1987
+
G. †Psilotrigonia Cox 1952
+
†Psilotrigonia beesleyana Lycett 1874
†Psilotrigonia vegaensis Pérez et al. 2008
†Psilotrigonia zealandica Fleming 1987
G. †Rutitrigonia van Hoepen 1929
+
†Rutitrigonia affinis Sowerby 1818
†Rutitrigonia agrioensis Weaver 1931
†Rutitrigonia bornhardti Müller 1900
†Rutitrigonia coquandiana d'Orbigny 1844
†Rutitrigonia dietrichi Lange 1914
†Rutitrigonia dunscombiensis Lycett 1900
†Rutitrigonia excentrica Parkinson 1811
†Rutitrigonia jacksonensis Packard 1921
†Rutitrigonia janenschi Lange 1914
†Rutitrigonia laeviuscula Lycett 1875
†Rutitrigonia longa Agassiz 1840
†Rutitrigonia mesembria Tenison-Woods 1900
†Rutitrigonia neumayri Yehara 1923
†Rutitrigonia niongalensis Lange 1914
†Rutitrigonia palaeopatagonica Piatnizky 1900
†Rutitrigonia peregrina van Hoepen 1929
†Rutitrigonia pongolensis Rennie 1936
†Rutitrigonia pseudoindica Archangelski 1916
†Rutitrigonia regina Wilckens 1911
†Rutitrigonia schwarzi Müller 1900
†Rutitrigonia semiculta Forbes 1846
Subfm. Trigoniinae Lamarck 1819
+
G. †Guineana Skwarko 1967
+
†Guineana alta Gabb 1864
†Guineana emmerichii Winkler 1859
†Guineana jimiensis Skwarko 1967
†Guineana micrasiatica Bittner 1891
†Guineana postera Quenstedt 1857
G. †Magharitrigonia Ayoub-Hannaa et al. 2023
+
†Magharitrigonia asymmetrica Ayoub-Hannaa et al. 2023
G. †Trigonia Bruguière 1789
+
Subg. †Trigonia (Clavitrigonia) Leanza 1942
Subg. †Trigonia (Heslingtonia) Fleming 1987
Subg. †Trigonia (Indotrigonia) Dietrich 1933
Subg. †Trigonia (Kumatrigonia)
Subg. †Trigonia (Pleurotrigonia) van Hoepen 1929
Subg. †Trigonia (Primatrigonia)
+
Invalid names: Trigonia (Modestella) Hautmann 2001 [objective synonym], Trigonia (Modesticoncha) Hautmann 2009 [objective synonym]
Subg. †Trigonia (Prosogyrotrigonia) Krumbeck 1924
Subg. †Trigonia (Protrigonia) Guo 1985
Subg. †Trigonia (Trigonia) Bruguiere 1789
†Trigonia aequicostata Gabb 1869
†Trigonia analoga Douvillé 1916
†Trigonia antiqua d'Orbigny 1842
†Trigonia azzarolae Stoppani 1865
†Trigonia bowersiana Anderson 1958
†Trigonia castani Henry 1876
†Trigonia castrovillensis Stephenson 1941
†Trigonia charlottensis Packard 1921
†Trigonia columbiana Packard 1921
†Trigonia coqueiroensis Maury 1936
†Trigonia cragini Stoyanow 1949
†Trigonia depauperata Douvillé 1916
†Trigonia devexa Eichwald 1871
†Trigonia doroschini Eichwald 1871
†Trigonia eufaulensis gabbi Stephenson 1941
†Trigonia eufaulensis moorei Stephenson 1941
†Trigonia evansana Meek 1864
†Trigonia gibboniana Lea 1840
†Trigonia guildi Stoyanow 1949
†Trigonia hemisphaerica Lycett 1877
†Trigonia imbricata Sowerby 1826
†Trigonia kayana Anderson 1938
†Trigonia kefersteini Münster 1828
†Trigonia kitchini Stoyanow 1949
†Trigonia maastrichtiana Briart 1888
†Trigonia maloneana Stoyanow 1949
†Trigonia marginata Damon 1860
†Trigonia mearnsi Stoyanow 1949
†Trigonia melhasei Anderson 1958
†Trigonia montanaensis Meek 1873
†Trigonia mooreana Gabb 1861
†Trigonia neuquensis Burckhardt 1903
†Trigonia nodulosa Lamarck 1801
†Trigonia obliqua Hyatt 1892
†Trigonia oregona Packard 1921
†Trigonia orientalis Douvillé 1916
†Trigonia oviedensis Lycett 1881
†Trigonia pandicosta Meek 1864
†Trigonia papuana Glaessner 1958
†Trigonia picteti Coquand 1865
†Trigonia plana Repin 2013
†Trigonia plumasensis Hyatt 1892
†Trigonia pseudocaudata Hector 1886
†Trigonia pseudocrenulata Notling 1884
†Trigonia pullus Sowerby 1826
†Trigonia rebouli Henry 1876
†Trigonia reesidei Stoyanow 1949
†Trigonia resoluta Stoyanow 1949
†Trigonia reticulata Agassiz 1841
†Trigonia saavedra Stoyanow 1949
†Trigonia somaliensis Stefanini 1939
†Trigonia stantoni Stephenson 1941
†Trigonia stolleyi Hill 1893
†Trigonia suborbicularis Forbes 1846
†Trigonia sulcata Hector 1874
†Trigonia tabacoensis Barthel 1958
†Trigonia taffi Cragin 1893
†Trigonia thierachensis Fischer 1969
†Trigonia undulatocostata Blanckenhorn 1890
†Trigonia weaveri Stoyanow 1949
†Trigonia windhauseniana Wilckens 1921
G. †Turbitrigonia
Invalid names: Lyrodontidae Bronn 1862 [synonym], Pleurotrigoniinae van Hoepen 1929 [empty]
Superfm. †Trigonioidoidea Cox 1952
+
Fm. †Nippononaiidae Chen 1987
+
Invalid names: Nippononaiinae Chen 1987 [empty], Sinonaiinae Chen 1987 [empty]
Fm. †Trigonioididae Cox 1952
+
G. †Hoffetrigonia Suzuki 1940
Subfm. †Peregrinoconchinae Gu 1976
+
G. †Trigonioides Kobayashi and Suzuki 1936
+
Subg. †Trigonioides (Didymotrigonioides) Gu 1976
+
Subg. †Trigonioides (Diversitrigonioides) Gu 1976
+
†Trigonioides (Diversitrigonioides) diversicostatus Hoffet 1937
Subg. †Trigonioides (Wakinoa) Yang 1976
Subg. †Trigonioides (Xizangotrigonioides) Guo 1986
+
G. †Yeniella Modell 1964
Invalid names: Danlengiconchinae Sha 1993 [empty], Trigonioidinae Cox 1952 [empty]
Invalid names: Americunioninae Guo 1986 [empty], Plicatounionidae Chen 1987 [empty]
Superfm. †Trigonodoidea Modell 1942
+
Fm. †Trigonodidae Modell 1942
+
G. †Janaija Truschelev 1984
+
†Janaija magnoplicata Kurushin 1987
†Janaija nikolaevi Kurushin 1987
†Janaija praelonga Kiparisova 1937
†Janaija visibilis Kurushin 1987
G. †Trigonodus Alberti 1864
+
†Trigonodus abdominalis Jelen 1989
†Trigonodus bittneri Waagen 1907
†Trigonodus brevidens Waagen 1907
†Trigonodus carniolicus Bittner 1907
†Trigonodus costatus Wöhrmann 1892
†Trigonodus dieneri Waagen 1907
†Trigonodus extraordinarius Jelen 1989
†Trigonodus intermedius Waagen 1907
†Trigonodus marmolatae Salomon 1895
†Trigonodus minor Newberry and Worthen 1866
†Trigonodus orientalis Bittner 1899
†Trigonodus postrablensis Frech 1912
†Trigonodus praeco Philippi 1898
†Trigonodus problematicus Klipstein 1843
†Trigonodus productus Whiteaves 1889
†Trigonodus rablensis Gredler 1862
†Trigonodus ramovsi Jelen 1989
†Trigonodus sandbergeri von Alberti 1864
†Trigonodus serianus Parona 1889
†Trigonodus sichuanensis Gu 1976
†Trigonodus subrhombus Guo 1985
†Trigonodus xiabolangensis Yin and Grant-Mackie 2005
†Trigonodus yunnanensis Guo 1985
G. †Virgotrigonia
G. †Zaletrigonia
G. †Zulutrigonia
Invalid names: Beichuanioidea Liu and Gu 1988 [empty], Lyrodesmatacea Ulrich 1894 [empty], Megatrigonioidea van Hoepen 1929 [empty], Myophorellina Cooper 1991 [empty]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: o = order, c = class | |||||
Reference: Aberhan et al. 2004 |
Age range
Maximum range based only on fossils: base of the Floian to the top of the Middle Pleistocene or 477.70000 to 0.12900 Ma
Minimum age of oldest fossil (stem group age): 470.0 Ma
Minimum age of oldest fossil (stem group age): 470.0 Ma
Collections (4522 total)
Oldest occurrences | |||
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Arenig | Australia (Queensland) | Trigonodus sp. (157069 157073) | |
Floian | China (Yunnan) | Baidiostraca aberrans (200939) | |
Katian | Sweden (Dalarna) | Myophoria ebbae (124939) | |
Wenlock | USA (New York) | Eoschizodus sp. (470) | |
Wenlock | China (Jiangsu) | Eoschizodus sp. (27751 27752) | |
Homerian - Gorstian | USA (Alaska) | Schizodus sp. A, Schizodus sp. B (153969) | |
Lochkovian | Australia (Victoria) | Eoschizodus sp. (7196 8481) | |
Lochkovian | USA (Florida) | Eoschizodus sp. (75630) | |
Lochkovian | China (Guangxi) | Schizodus cuneus (3998) Schizodus cuneus, Schizodus appressus (4002) Schizodus peregrins (4003) | |
Early/Lower Devonian | Australia (Victoria) | Eoschizodus sp. (8345 8351 8359) | |
Pragian | Australia (Victoria) | Dolabra unilateralis (75704 75713 75714) Eoschizodus sp. (8498) | |
Pragian | China (Guangxi) | Eoschizodus sp. (25814) | |
Pragian - Emsian | Turkey (Istanbul) | Hefteria sp., Toechomya sp., Eoschizodus sp. (32470) | |
Early/Lower Emsian | Germany | Pholadella peregrina (232221) | |
Early/Lower Emsian | China (Guangxi) | Schizodus sp. (3983) | |
Early/Lower Emsian | Australia (Victoria) | Schizodus oweni (35555) | |
Early/Lower Emsian | China (Heilongjiang) | Toechomya sp. (25844) | |
Emsian | Australia (New South Wales) | Schizodus oweni (35556) Schizodus truemani, Eoschizodus taemasensis (35557 35558) | |
Emsian | Canada (Quebec) | Schizodus sp. (608) | |
Emsian | China (Sichuan) | Yangella cuneatiformis (200825) |