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Taxonomy
Monotis (Eomonotis) was named by Grant-Mackie (1978) [Sepkoski's age data: Tr Nori-l Tr Nori-u Sepkoski's reference number: 740].
It was reranked as Eomonotis by Sepkoski (2002) and McRoberts (2011).
It was assigned to Pterioida by Sepkoski (2002); to Monotidae by McRoberts (2011); and to Monotis by Grant-Mackie (1978), Silberling et al. (1997) and Ros-Franch et al. (2014).
It was reranked as Eomonotis by Sepkoski (2002) and McRoberts (2011).
It was assigned to Pterioida by Sepkoski (2002); to Monotidae by McRoberts (2011); and to Monotis by Grant-Mackie (1978), Silberling et al. (1997) and Ros-Franch et al. (2014).
Subtaxa
Monotis (Eomonotis) anjuensis, Monotis (Eomonotis) calvata, Monotis (Eomonotis) cycloidea, Monotis (Eomonotis) daonellaeformis, Monotis (Eomonotis) diptonensis, Monotis (Eomonotis) inaequivalvis, Monotis (Eomonotis) iwaiensis, Monotis (Eomonotis) jakutica (syn. Monotis mabara, Monotis multistriata), Monotis (Eomonotis) kiritihereensis, Monotis (Eomonotis) kolymica, Monotis (Eomonotis) marwicki, Monotis (Eomonotis) murihikuensis, Monotis (Eomonotis) obtusicostata, Monotis (Eomonotis) pinensis, Monotis (Eomonotis) rauparaha, Monotis (Eomonotis) scutiformis, Monotis (Eomonotis) sublaevis, Monotis (Eomonotis) typica, Monotis (Eomonotis) versicostata, Monotis (Eomonotis) wairakae
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1978 | Monotis (Eomonotis) Grant-Mackie |
| 1997 | Monotis (Eomonotis) Silberling et al. |
| 2002 | Eomonotis Sepkoski |
| 2011 | Eomonotis McRoberts p. 640 |
| 2014 | Monotis (Eomonotis) Ros-Franch et al. |
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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.
Subg. †Monotis (Eomonotis) Grant-Mackie 1978
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†Monotis (Eomonotis) anjuensis Bytschkov and Efimova 1966
†Monotis (Eomonotis) calvata Marwick 1953
†Monotis (Eomonotis) cycloidea Teller 1886
†Monotis (Eomonotis) daonellaeformis Kiparisova 1960
†Monotis (Eomonotis) diptonensis Grant-Mackie 1980
†Monotis (Eomonotis) inaequivalvis Bronn 1930
†Monotis (Eomonotis) iwaiensis Ichikawa 1951
†Monotis (Eomonotis) jakutica Teller 1896
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Invalid names: Monotis mabara Kobayashi and Ichikawa 1949 [synonym], Monotis multistriata Kobayashi and Ichikawa 1949 [synonym]
†Monotis (Eomonotis) kiritihereensis Grant-Mackie 1980
†Monotis (Eomonotis) kolymica Kiparisova 1936
†Monotis (Eomonotis) marwicki Grant-Mackie 1980
†Monotis (Eomonotis) murihikuensis Grant-Mackie 1980
†Monotis (Eomonotis) obtusicostata Westermann 1966
†Monotis (Eomonotis) pinensis Westermann 1962
†Monotis (Eomonotis) rauparaha Grant-Mackie 1980
†Monotis (Eomonotis) scutiformis Teller 1886
†Monotis (Eomonotis) sublaevis Teller 1886
†Monotis (Eomonotis) typica Kiparisova 1936
†Monotis (Eomonotis) versicostata Bytschkov 1966
†Monotis (Eomonotis) wairakae Grant-Mackie 1980
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Kiessling 2004, Aberhan et al. 2004 | |||||
Collections (69 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Spathian | Russian Federation | Pseudomonotis scutiformis (212566) | |
| Late/Upper Triassic | New Zealand (South Island) | Monotis diptonensis (41666) Monotis murihikuensis (41682) | |
| Late/Upper Triassic | New Zealand (North Island) | Monotis marwicki (41685) Monotis rauparaha (41668) Monotis wairakae (41688) | |
| Norian | Japan (Tokushima) | Monotis multistriata (40479) | |
| Norian | Japan (Okayama) | Monotis jakutica, Monotis sublaevis (40249) | |
| Norian | Canada (British Columbia) | Monotis jakutica (140040) | |
| Norian | Russian Federation (Primorskiy Kray) | Eomonotis scutiformis (97857 98269 98270 98279 98280 98281 98324) Monotis jakutica, Monotis cycloidea, Monotis sublaevis (97859) | |
| Norian | Russian Federation | Monotis jakutica, Monotis sublaevis (39309) | |
| Norian | Japan (Kochi) | Monotis multistriata (40472) | |
| Norian | Peru (Amazonas) | Monotis typica (100242) | |
| Norian | Japan (Kumamoto) | Monotis jakutica, Monotis multistriata (40216) | |
| Norian | USA (Alaska) | Monotis anjuensis, Monotis jakutica, Monotis pinensis, Monotis typica (85146) Monotis daonellaeformis (140038) Monotis jakutica (85147) Monotis obtusicostata (139029) Monotis obtusicostata, Monotis jakutica (139027) Monotis pinensis (100921 100926) Monotis pinensis, Monotis daonellaeformis (85134) Monotis sp., Monotis obtusicostata, Monotis jakutica, Monotis typica (85131) Monotis typica (85132 85133) | |
| Norian | Japan (Tokyo) | Monotis iwaiensis (39836) | |
| Lacian | Russian Federation | Monotis jakutica (39301 39313) | |
| Lacian - Alaunian | Russian Federation (Primorskiy Kray) | Eomonotis daonellaeformis, Eomonotis scutiformis (97824) Eomonotis scutiformis (97821) | |
| Alaunian | Canada (British Columbia) | Eomonotis obtusicostata, Eomonotis pinensis (114923 115127) Eomonotis pinensis (47390 114921 114922 114951 114953 115124 115126 115128 115137 115138 115139 115140) Eomonotis pinensis, Eomonotis daonellaeformis (115123) Eomonotis pinensis, Eomonotis scutiformis (47387) | |
| Alaunian | Russian Federation | Monotis daonellaeformis (69441) Otapiria versicostata (202712 202713) | |
| Sevatian | Canada (British Columbia) | Eomonotis jakutica (115141) Eomonotis pinensis (47391) | |
| Sevatian | Russian Federation | Monotis jakutica (202716 214910 214911) Monotis versicostata (214908) | |
| Sevatian | Russian Federation (Primorskiy Kray) | Monotis jakutica (98300) | |
| Sevatian | New Caledonia | Monotis calvata (178177) | |
| Sevatian | China (Heilongjiang) | Monotis jakutica (98591) Monotis jakutica, Monotis typica (98592) | |
| Warepan | New Zealand (Wellington) | Monotis calvata (85018) | |
| Warepan | New Zealand (Southland) | Monotis sp. (85010) | |
| Warepan | New Zealand | Monotis murihikuensis (63953) |