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Ormoceras
Taxonomy
Ormoceras was named by Stokes (1840). Its type is Orthoceras bayfieldi.
It was assigned to Actinocerida by Flower (1957); and to Ormoceratidae by Sweet (1958), Teichert et al. (1964), Crick (1981), Frey (1995) and Sepkoski (2002).
It was assigned to Actinocerida by Flower (1957); and to Ormoceratidae by Sweet (1958), Teichert et al. (1964), Crick (1981), Frey (1995) and Sepkoski (2002).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
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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. †Ormoceras Stokes 1840
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†Ormoceras bayfieldi Stokes 1840
†Ormoceras centrale Flower 1940
†Ormoceras champlainense Flower 1952
†Ormoceras dartoni Flower 1957
†Ormoceras ferecentricum Foerste. and Teichert 1930
†Ormoceras heckeri Teichert 1930
†Ormoceras kiaeri Sweet 1958
†Ormoceras neumani Flower 1957
†Ormoceras schohariae Flower 1940
Invalid names: Aluveroceras [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2004 | |||||
Age range: base of the Middle Ordovician to the top of the Early/Lower Famennian or 470.00000 to 370.60000 Ma
Collections (70 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Dawan | Mongolia | O. spp. (157192) | |
| Arenig | China (ShanDong) | O. sp. (20773 20775) | |
| Arenig | China (GanSu) | O. sp. (8555) | |
| Arenig | China (HeBei) | O. sp. (7956 7979) | |
| Arenig | China (NingXia) | O. sp. (20766) | |
| Arenig - Llanvirn | China (JiLin) | O. sp. (21141) | |
| Fennian | Malaysia (Palau Lankawi Island) | O. langskawiense (56168) | |
| Fennian | Malaysia (Perlis) | O. langskawiense (56161) O. sp. (56162) | |
| Chazyan | USA (Maryland) | O. neumani (172563) | |
| Marmor - Ashbyan | USA (New York) | O. champlainense (89032) | |
| Middle Ordovician - Late/Upper Ordovician | Canada (Manitoba) | O. sp. (24165) | |
| Middle Ordovician - Late/Upper Ordovician | Canada (Nunavut) | O. sp. (24125 24231 24236 24240 24245) | |
| Early/Lower Llanvirn | China (HeBei) | O. sp. (7990) | |
| Llanvirn - Early/Lower Llandeilo | South Korea (Kangwon-do) | O. koraiense, O. nanumforme (56173) | |
| Llanvirn | China (LiaoNing) | O. sp. (20760) | |
| Llanvirn | China (ShanXi) | O. sp. (8005) | |
| Llanvirn | China (Manchuria) | O. manchuriense (56135) | |
| Llanvirn | South Korea (Kangweondo (Gangwon-do)) | O. weoni (89519) O. weoni, O. cricki (89518) | |
| Llanvirn | China (HeBei) | O. sp. (7959 7973) | |
| Llanvirn | China (Nei Mongol) | O. sp. (8541) | |
| Llanvirn | China (JiLin) | O. sp. (21148) | |
| Darriwilian | China (HeBei) | O. sp. (7955) | |
| Late/Upper Llanvirn | China (HeBei) | O. sp. (7988) | |
| Llandeilo | China (LiaoNing) | O. sp. (20758) | |
| Llandeilo - Caradoc | China (Gansu) | O. sp. (20762) | |
| Uhaku - Haljala | Russian Federation (Krasnoyarsk) | O. kusmovkense (204900) | |
| Costonian - Harnagian | China (HeBei) | O. sp. (7989) | |
| Soudleyan - Marshbrookian | China (HeBei) | O. sp. (7986) | |
| Soudleyan - Marshbrookian | China (GanSu) | O. sp. (8550) | |
| Caradoc | USA (Colorado) | O. pollacki, O. sp. (10380) O. sp. (10391) | |
| Late/Upper Ordovician | Estonia | O. sp. (24175) | |
| Late/Upper Ordovician | Canada (Quebec) | O. sp. (24174) | |
| Blackriveran | Canada (Ontario) | O. sp. (55999) | |
| Franklinian | USA (Colorado) | O. pollacki (155756 216975 216976) | |
| Rocklandian | USA (Kentucky) | O. ferecentricum (87737 87739) | |
| Trentonian - Richmondian | Canada (Nunavut) | O. sp. (24115) | |
| Keila - Oandu | Norway (Nes-Hamar) | O. kiaeri (164008) | |
| Edenian | USA (Minnesota) | O. maquoketense (23738) | |
| Edenian | USA (Texas) | O. dartoni (172562) | |
| Edenian | Canada (Northwest Territories) | O. allumettense (26340) | |
| Edenian - Maysvillian | USA (Minnesota) | O. maquoketense (23741) | |
| Edenian - Maysvillian | USA (Illinois, Iowa, Wisconsin) | O. maquoketense (23783) | |
| Edenian - Maysvillian | Canada (Northwest Territories) | O. allumettense (26342) | |
| Maysvillian | USA (Illinois, Iowa, Wisconsin) | O. maquoketense (23784) | |
| Richmondian | Canada (Nunavut) | O. spp. (24124) | |
| Pirgu | Estonia (Lääne) | O. heckeri (167758) | |
| Ashgill | USA (Indiana, Ohio) | O. sp. (24171) | |
| Wenlock - Ludlow | Canada (Northwest Territories) | O. sp. A (188858) O. sp. A, O. sp. B (188860) | |
| Ludlow | Russian Federation (Siberia) | O. sp. (206346) | |
| Lochkovian | USA (New York) | O. centrale (76330) | |
| Lochkovian | Russian Federation (Arkhangel'skaya Oblast') | O. boreale (40697) | |
| Lochkovian - Pragian | Ukraine | O. dobrovljanensis (23446) | |
| Pragian | Morocco | O. sp. (91611) | |
| Emsian | USA (New York) | O. schohariae (76328 76329) | |
| Early/Lower Famennian | Germany (Rhenish Massif) | O. sp. (5960) |