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Charactoceras
Taxonomy
Charactoceras was named by Foerste (1924). Its type is Trochoceras baeri.
It was assigned to Cephalopoda by Twenhofel (1928); to Apsidoceratidae by Strand (1934), Teichert et al. (1964), Crick (1981) and Frye (1982); and to Tarphyceratida by Sepkoski (2002).
It was assigned to Cephalopoda by Twenhofel (1928); to Apsidoceratidae by Strand (1934), Teichert et al. (1964), Crick (1981) and Frye (1982); and to Tarphyceratida by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1924 | Charactoceras Foerste p. 234 |
| 1928 | Characteroceras Twenhofel p. 286 |
| 1934 | Charactoceras Strand |
| 1935 | Charactocerina Foerste p. 85 |
| 1964 | Charactoceras Teichert et al. p. 382 |
| 1964 | Charactocerina Teichert et al. p. 382 |
| 1981 | Charactoceras Crick p. 229 |
| 1981 | Charactocerina Crick p. 229 |
| 1982 | Charactoceras Frye p. 1284 |
| 2002 | Charactoceras Sepkoski |
| 2002 | Charactocerina Sepkoski |
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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. †Charactoceras Foerste 1924
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†Charactoceras baeri Meek and Worthen 1865
†Charactoceras cinereum Blake 1882
†Charactoceras estonicum Strand 1934
†Charactoceras hercules Billings 1857
†Charactoceras kallholnense Frye 1982
†Charactoceras raettvikense Frye 1982
†Charactoceras suecicum Frye 1982
†Charactoceras triangulum Frye 1982
Invalid names: Charactocerina Foerste 1935 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Collections (42 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Ordovician - Late/Upper Ordovician | Canada (Manitoba) | C. sp. (24165) | |
| Late/Upper Ordovician | USA (Iowa, Minnesota) | C. sp. (24169) | |
| Late/Upper Ordovician | USA (Wyoming) | C. sp. (24167) | |
| Late/Upper Ordovician | Estonia | C. sp. (24175) | |
| Late/Upper Ordovician | Canada (Quebec) | C. sp. (24172 24173) | |
| Wildernessian | Canada (Northwest Territories) | C. sp. (26951 26952) | |
| Trentonian - Richmondian | Canada (Nunavut) | C. schucherti (24115) | |
| Chatfieldian - Edenian | Canada (Nunavut) | C. schucherti (24116) | |
| Katian | Sweden (Dalarna) | C. triangulum, C. kallholnense, C. suecicum, C. raettvikense (89486 124939) | |
| Katian - Hirnantian | Sweden (Dalarna) | C. raettvikense (89487) | |
| Katian - Hirnantian | Sweden (Dalarne) | C. triangulum (73413) | |
| Edenian | Canada (Northwest Territories) | C. plicatus (26340) | |
| Edenian | USA (Iowa) | C. sp. (24170) | |
| Edenian - Maysvillian | USA (Illinois, Iowa, Wisconsin) | C. laddi (23783) | |
| Edenian - Maysvillian | USA (Minnesota) | C. laddi (23741) | |
| Edenian - Richmondian | Canada (Manitoba) | C. manitobense (13654 13656) Charactocerina kirki (13652) | |
| Maysvillian | USA (Illinois, Iowa, Wisconsin) | C. laddi (23784) | |
| Maysvillian - Richmondian | USA (Colorado) | C. sp. (24166) | |
| Vormsi | Norway (Oslo Asker) | C. sp. (164206) | |
| Vormsi - Pirgu | Estonia (Lääne) | C. estonicum (164229) | |
| Richmondian | Canada (Quebec) | Nautilus hercules (63675) | |
| Richmondian | Canada (Nunavut) | C. schucherti (24124) | |
| Richmondian | United Kingdom (Northern Ireland) | Trochoceras cinereum (89260) | |
| Richmondian | Canada (Northwest Territories) | Charactocerina thorsteinssoni (188769) | |
| Richmondian - Ashgill | USA (Ohio) | C. sp., Charactocerina sp. (394) | |
| Richmondian - Gamachian | Canada (Manitoba) | C. laddi, C. warrenae (23011) Charactocerina goodwini (23014) Charactocerina leithi (23031) | |
| Pirgu | Norway (Ringerike) | C. estonicum (162233) | |
| Pirgu | Norway | C. estonicum (163022) | |
| Ashgill | USA (Indiana, Ohio) | C. sp. (24171) | |
| Ashgill | USA (Indiana) | C. baeri (5323) Charactocerina faberi, C. baeri (5324) | |
| Pirgu - Porkuni | Sweden (Dalarne) | C. kallholnense (73462) | |
| Cautleyan | Greenland (Washington Land) | C. sp. (24162) | |
| Cautleyan | United Kingdom (Northern Ireland) | Phragmoceras compressum (154951) | |
| Cautleyan - Ashgill | United Kingdom (Northern Ireland) | C. cinereum (13841) |