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Orbiculoidea
Taxonomy
Orbiculoidea was named by d'Orbigny (1847). Its type is Orbicula forbesi.
It was reranked as Discina (Orbiculoidea) by Troedsson (1918); it was misspelled as Orbiculoides by Jillson (1919), Hoare (1961), Wright (1963), Mitchell (1977), Owen and Harper (1982), Holmer (1987), Holmer (1989), Williams et al. (2000), Sepkoski (2002) and Masunaga and Shiino (2021).
It was assigned to Discina by Troedsson (1918); to Brachiopoda by Jillson (1919); to Disciniidae by Hoare (1961); to Orbiculoideinae by Wright (1963), Mitchell (1977), Owen and Harper (1982), Holmer (1987) and Holmer (1989); to Acrotretida by Sepkoski (2002); and to Discinidae by Williams et al. (2000) and Masunaga and Shiino (2021).
It was reranked as Discina (Orbiculoidea) by Troedsson (1918); it was misspelled as Orbiculoides by Jillson (1919), Hoare (1961), Wright (1963), Mitchell (1977), Owen and Harper (1982), Holmer (1987), Holmer (1989), Williams et al. (2000), Sepkoski (2002) and Masunaga and Shiino (2021).
It was assigned to Discina by Troedsson (1918); to Brachiopoda by Jillson (1919); to Disciniidae by Hoare (1961); to Orbiculoideinae by Wright (1963), Mitchell (1977), Owen and Harper (1982), Holmer (1987) and Holmer (1989); to Acrotretida by Sepkoski (2002); and to Discinidae by Williams et al. (2000) and Masunaga and Shiino (2021).
Subtaxa
O. affinis, O. anhuiensis, O. armstrongi, O. batesvillensis, O. capax, O. capuliformis (syn. Discina convexa), O. cincta (syn. Orbicula davreuxiana), O. clintonensis, O. concentrica, O. damanensis, O. elegans, O. excentrica, O. excentrica, O. forbesa, O. gibba, O. interlineata, O. jangarensis, O. keokuk, O. kolymaensis, O. konincki (syn. Discina speluncaria), O. kullsbergensis, O. liaoi (syn. O. minor), O. linguliformis, O. magna, O. minuta, O. missouriensis (syn. Discina manhattanensis), O. nucleola, O. ovalis, O. pileolus, O. platymitraformis, O. prietana, O. qieermaensis, O. qinglongensis, O. radiata, O. rotularia, O. sampsoni, O. semipolita, O. shallochensis, O. sibirica, O. sodalis, O. soyanensis, O. spitzbergensis, O. stincharensis, O. taskrestensis, O. tobaensis, O. utahensis, O. varsoviensis, O. verum, O. warthi, O. winsnesi, O. wisnesi, O. wyomingensis, O. xinguensis, O. yangkangensis
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1847 | Orbiculoidea d'Orbigny |
| 1918 | Discina (Orbiculoidea) Troedsson p. 35 |
| 1919 | Orbiculoides Jillson p. 101 |
| 1961 | Orbiculoidea Hoare p. 22 |
| 1963 | Orbiculoidea Wright |
| 1977 | Orbiculoidea Mitchell |
| 1982 | Orbiculoidea Owen and Harper |
| 1987 | Orbiculoidea Holmer |
| 1989 | Orbiculoidea Holmer |
| 2000 | Orbiculoidea Williams et al. p. 90 |
| 2002 | Orbiculoidea Sepkoski |
| 2021 | Orbiculoidea Masunaga and Shiino |
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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.
G. †Orbiculoidea d'Orbigny 1847
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†Orbiculoidea affinis M'Coy 1847
†Orbiculoidea anhuiensis Jin and Hu 1978
†Orbiculoidea armstrongi Reed 1952
†Orbiculoidea batesvillensis Weller 1897
†Orbiculoidea capax White 1862
†Orbiculoidea clintonensis Waterhouse 1986
†Orbiculoidea concentrica Wahlenberg 1821
†Orbiculoidea damanensis Sarycheva and Sokolskaja 1952
†Orbiculoidea elegans Liao 1980
†Orbiculoidea excentrica Lange 1943
†Orbiculoidea excentrica Ifanova 1972
†Orbiculoidea forbesa Davidson 1848
†Orbiculoidea gibba Lindström 1880
†Orbiculoidea interlineata Easton 1962
†Orbiculoidea jangarensis Ustritsky 1960
†Orbiculoidea keokuk Gurley 1884
†Orbiculoidea kolymaensis Licharew 1959
†Orbiculoidea kullsbergensis Holmer 1987
†Orbiculoidea linguliformis Kalashnikov 1981
†Orbiculoidea magna Feng 1978
†Orbiculoidea minuta Liao 1980
†Orbiculoidea missouriensis Shumard 1858
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Invalid names: Discina manhattanensis Meek and Hayden 1858 [synonym]
†Orbiculoidea nucleola Liao 1980
†Orbiculoidea ovalis Cloud 1944
†Orbiculoidea pileolus Whiteaves 1889
†Orbiculoidea platymitraformis Liang 1990
†Orbiculoidea prietana Chronic 1949
†Orbiculoidea qieermaensis Xu and Liu 1983
†Orbiculoidea qinglongensis Liao 1980
†Orbiculoidea radiata Troedsson 1918
†Orbiculoidea rotularia Waterhouse 1986
†Orbiculoidea sampsoni Miller 1891
†Orbiculoidea semipolita Whiteaves 1884
†Orbiculoidea shallochensis Reed 1917
†Orbiculoidea sibirica Moisseiev 1947
†Orbiculoidea sodalis Barrande 1879
†Orbiculoidea soyanensis Kalashnikov 1993
†Orbiculoidea spitzbergensis Lundgren 1887
†Orbiculoidea stincharensis Reed 1917
†Orbiculoidea taskrestensis Dagys 1985
†Orbiculoidea tobaensis Jin and Sun 1981
†Orbiculoidea utahensis Meek 1877
†Orbiculoidea varsoviensis Worthen 1884
†Orbiculoidea verum Masunaga and Shiino 2021
†Orbiculoidea warthi Waagen 1891
†Orbiculoidea winsnesi Gobbett 1963
†Orbiculoidea wisnesi Gobbett 1963
†Orbiculoidea wyomingensis Branson and Greger 1918
†Orbiculoidea xinguensis Corrêa and Ramos 2020
†Orbiculoidea yangkangensis Xu and Liu 1983
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 5 | 4.85 | 0.820 | 10.0 | 7.10 | 3.45 | |
| valve height | 27 | 2.10 | 0.500 | 13.0 | 2.00 | 2.74 |
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| Source: g = genus, o = order, c = class, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013, Hendy 2009 | |||||
Age range: base of the Dapingian to the top of the Berriasian or 470.00000 to 139.80000 Ma
Collections (858 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Dawan | China (JiangSu) | O. sp. (7927) | |
| Arenig | China (Yunnan) | O. sp. (7291) | |
| Arenig | China (Hubei) | O. sp. (4714) | |
| Arenig | China (Guizhou) | O. sp. (7362) | |
| Dapingian | China (Hubei) | O. sp. (186123 186124) | |
| Llanvirn | USA (New York) | O. sp. (303) | |
| Llanvirn | China (GanSu) | O. sp. (8563) | |
| Darriwilian | China (Hubei) | O. sp. (186129 186131 186133) | |
| Aseri | Estonia (Ida-Viru) | O. schallochensis (195590) | |
| Llandeilo | China (ZheJiang) | O. sp. (7805) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Rhaetian | United Kingdom (England) | O. townshendi (120897) | |
| Early/Lower Jurassic - Middle Jurassic | USA (California) | Orbiculoidea indet. (38347) | |
| Early/Lower Pliensbachian | Canada (British Columbia) | O. semipolita (164635) | |
| Late/Upper Pliensbachian | Germany (Bavaria) | O. sp. 1 (23860) | |
| Late/Upper Pliensbachian | Germany | Orbiculoidea indet. (23846) | |
| Late/Upper Bajocian | Canada (Yukon) | Discina pileolus (164636) | |
| Late/Upper Oxfordian | France | Orbiculoidea indet. (4789 4849) | |
| Tithonian | Greenland | O. latissima (1199 1204 1205 1206 1212 1214 1229 1232 1234 1237 1238 1240 1241 1253 1255 1261 1272 1273 1274 1281 1408 1409 1459 1460 1461 1473 1574) | |
| Late/Upper Tithonian | Canada (British Columbia) | O. sp. (164634) | |
| Berriasian | Greenland | O. sp. (82618) | |