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Westonoceras
Taxonomy
Westonoceras was named by Foerste (1924).
It was assigned to Oncoceratidae by Strand (1934); to Westonoceratidae by Teichert et al. (1964) and Crick (1981); and to Discosorida by Sepkoski (2002).
It was assigned to Oncoceratidae by Strand (1934); to Westonoceratidae by Teichert et al. (1964) and Crick (1981); and to Discosorida by 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. †Westonoceras Foerste 1924
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†Westonoceras askerense Strand 1934
†Westonoceras baffinense Schuchert 1900
†Westonoceras cornulum Schuchert 1900
†Westonoceras manitobense Whiteaves 1890
†Westonoceras osloense Strand 1934
Invalid names: Thuleoceras Troedsson 1928 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Aberhan et al. 2004 | |||||
Age range: base of the Middle Ordovician to the top of the Cautleyan or 470.00000 to 448.80000 Ma
Collections (38 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Arenig | Argentina | W. sp. (9038) | |
| Middle Ordovician - Late/Upper Ordovician | Canada (Nunavut) | W. sp. (24125 24161 24240) | |
| Middle Ordovician - Late/Upper Ordovician | Canada (Saskatchewan) | W. sp. (24164) | |
| Middle Ordovician - Late/Upper Ordovician | Canada (Manitoba) | W. sp. (24165) | |
| Middle Ordovician - Late/Upper Ordovician | Canada (Mantiboa) | W. sp. (24163) | |
| Late/Upper Ordovician | USA (South Dakota) | W. sp. (24168) | |
| Late/Upper Ordovician | USA (Iowa, Minnesota) | W. sp. (24169) | |
| Late/Upper Ordovician | USA (Wyoming) | W. sp. (24167) | |
| Shermanian | USA (Minnesota) | W. minnesotense (23711) W. minnesotense, W. iowense, W. sp. (23717) | |
| Shermanian | USA (Illinois, Iowa, Wisconsin) | W. minnesotense (23769 23770 23771 23773 23775 23776 23777) | |
| Trentonian - Richmondian | Canada (Nunavut) | W. tumidum, Thuleoceras ornatum (24115) | |
| Chatfieldian - Edenian | Canada (Nunavut) | W. greggi (24116) | |
| Edenian | USA (Minnesota) | W. minnesotense, W. iowense, W. sp. (23724) | |
| Edenian | USA (Illinois, Iowa, Wisconsin) | W. minnesotense, W. iowense, W. sp. (23779) W. minnesotense, W. iowense, W. sp., W. exiguum (23778) | |
| Edenian | USA (Ohio) | W. sp. (385) | |
| Edenian | Canada (Nunavut) | W. putnami, W. gouldi (24225) | |
| Edenian | Canada (Northwest Territories) | W. manitobense (26340) | |
| Edenian - Maysvillian | Canada (Northwest Territories) | W. sp. (26943) | |
| Edenian - Richmondian | Canada (Manitoba) | W. nelsonense (13654 13655 13656) | |
| Maysvillian | Canada (Manitoba) | Cyrtoceras manitobense (174050) | |
| Maysvillian - Richmondian | USA (Colorado) | W. sp. (24166) | |
| Vormsi | Norway | W. osloense (164223) | |
| Richmondian | Canada (Nunavut) | W. breviposticum, W. gouldi, W. greggi, W. putnami, W. thompsoni, W. tumidum, W. washburni, W. wilsonae, W. spp., W. baffinense, W. cornulum (24124) | |
| Pirgu | Norway (Oslo Asker) | W. askerense (164224) | |
| Ashgill | USA (Indiana, Ohio) | W. sp. (24171) | |
| Cautleyan | Greenland (Washington Land) | Thuleoceras baffinense, Cyrtoceras cornulum, Cyrtoceras manitobense (24162) |