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Omphalotrochus
Taxonomy
Omphalotrochus was named by Meek (1864). Its type is Euomphalus (Omphalotrochus) whitneyi.
It was reranked as Euomphalus (Omphalotrochus) by de Koninck (1876).
It was assigned to Euomphalus by de Koninck (1876); to Euomphalina by Sepkoski (2002); and to Omphalotrochidae by Knight (1945), Knight et al. (1960), Morris and Cleevely (1981), Linsley and Kier (1984), Bouchet et al. (2005) and Wagner (2023).
It was reranked as Euomphalus (Omphalotrochus) by de Koninck (1876).
It was assigned to Euomphalus by de Koninck (1876); to Euomphalina by Sepkoski (2002); and to Omphalotrochidae by Knight (1945), Knight et al. (1960), Morris and Cleevely (1981), Linsley and Kier (1984), Bouchet et al. (2005) and Wagner (2023).
Synonymy list
| Year | Name and author |
|---|---|
| 1864 | Omphalotrochus Meek |
| 1876 | Euomphalus (Omphalotrochus) de Koninck p. 41 |
| 1945 | Omphalotrochus Knight p. 586 |
| 1960 | Omphalotrochus Knight et al. p. 196 |
| 1981 | Omphalotrochus Morris and Cleevely |
| 1984 | Omphalotrochus Linsley and Kier |
| 2002 | Omphalotrochus Sepkoski |
| 2005 | Omphalotrochus Bouchet et al. pp. 119, 241 |
| 2023 | Omphalotrochus Wagner p. G0676 |
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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. †Omphalotrochus Meek 1864
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†Omphalotrochus alleni Yochelson 1956
†Omphalotrochus antiquus d'Orbigny 1842
†Omphalotrochus canaliculatus Trautschold 1879
†Omphalotrochus cochisensis Yochelson 1956
†Omphalotrochus hessensis Yochelson 1956
†Omphalotrochus kalitvaensis Licharev 1940
†Omphalotrochus kalmiussi Zernetskaya 1967
†Omphalotrochus karakubensis Zernetskaya 1967
†Omphalotrochus obtusispira Shumard 1859
†Omphalotrochus spinosus Yochelson 1956
†Omphalotrochus tabulatus Phillips 1836
†Omphalotrochus timanicus Licharew 1974
†Omphalotrochus uerjagensis Licharew 1974
†Omphalotrochus whitneyi Meek 1864
†Omphalotrochus wolfcampensis Yochelson 1956
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 21 | 28.3 | 4.00 | 73.0 | 35.0 | 19.5 |
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| Source: superf = superfamily, c = class | |||||
| References: Kiessling 2004, Bambach et al. 2007 | |||||
Age range: base of the Lochkovian to the top of the Wordian or 419.20000 to 264.28000 Ma
Collections (105 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Lochkovian | New Zealand | O. sp. (40534) | |
| Eifelian | Canada (Ontario) | O. sp. A (102529) | |
| Rusavkinian | Russian Federation (Moscow) | O. kalitvaensis (155803) | |
| Gzhelian | USA (New Mexico) | O. obtusispira (64273) | |
| Virgilian | USA (New Mexico) | O. sp. (156695) | |
| Pavlovoposadian | Russian Federation (Moscow) | O. kalitvaensis, O. canaliculatus (154864) | |
| Asselian | USA (Texas) | O. obtusispira (108382 121337 121353 121436 121448) O. wolfcampensis (43474 43475 43479 43511 43556 121443 121444 121445 121446 121455 121456) | |
| Asselian | USA (Oklahoma) | O. wolfcampensis (121470) | |
| Asselian | Russian Federation (Bashkortostan) | O. timanicus (220899 220901) O. uerjagensis (220885 220900) | |
| Asselian | USA (Kansas) | O. obtusispira (12441) O. sp. (12376) O. wolfcampensis (12370) | |
| Asselian | Bolivia | Solarium antiquum (133181 133182) | |
| Asselian | USA (California) | Euomphalus whitneyi (121467) | |
| Asselian - Sakmarian | Peru (Apurimac) | O. obtusispira (41349 41362) | |
| Asselian - Sakmarian | Peru (Cusco) | O. obtusispira (41343 41347) | |
| Asselian - Sakmarian | Bolivia | O. obtusispira, O. antiquus (62316) | |
| Asselian - Sakmarian | Peru (Ayacucho) | O. obtusispira (41371 41372 41373) | |
| Asselian - Sakmarian | Svalbard and Jan Mayen | O. alleni (145696) | |
| Asselian - Artinskian | USA (Texas) | Pleurotomaria obtusispira (133740) | |
| Sakmarian | USA (California) | O. whitneyi (108149) | |
| Sakmarian | USA (New Mexico) | O. obtusispira (39150 39153 39154 39155 121449 121451 121452) | |
| Sakmarian | USA (Texas) | O. alleni (43573) O. obtusispira (101780 105756 121468 121469) | |
| Sakmarian - Artinskian | Bolivia | Euomphalus antiquus (120489) | |
| Artinskian | USA (Nevada) | O. sp. (11964 39157 66102) | |
| Artinskian | USA (Texas) | O. hessensis (81953) O. obtusispira (81683 121333 121338 121341 121342 121343 121344 121348 121351 121368 121372 121435 121438 121440) | |
| Artinskian | USA (New Mexico) | O. cochisensis (101770) O. obtusispira (101771 101795) | |
| Kungurian | USA (Arizona) | O. cochisensis (107664 121346 121355 121356 121357 121358 121359 121361 121363) O. cochisensis, O. hessensis (121345) | |
| Kungurian | USA (Texas) | O. cochisensis (121339 121373) O. hessensis (43496 43499 121347) O. obtusispira (81617 81699 121340) O. sp. (75882 81724 81848) O. spinosus (81726) | |
| Roadian | Mexico (Chiapas) | O. cochisensis (198600) | |
| Wordian | Thailand | O. sp. (167687) | |
| Wordian | Mexico (Sonora) | O. sp. A (40823) | |
| Wordian | Tunisia (Madanin) | O. cochisensis (42091) | |
| Wordian - Capitanian | Canada (British Columbia) | O. whitneyi (112836) |