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Cassinoceras
Taxonomy
Cassinoceras was named by Ulrich and Foerste (1936) [Sepkoski's age data: O Aren-u Sepkoski's reference number: 524]. Its type is Cassinoceras arkansasense.
It was assigned to Endocerida by Sepkoski (2002); and to Piloceratidae by Ulrich et al. (1943), Teichert et al. (1964), Crick (1981), Kröger and Landing (2009) and Evans (2011).
It was assigned to Endocerida by Sepkoski (2002); and to Piloceratidae by Ulrich et al. (1943), Teichert et al. (1964), Crick (1981), Kröger and Landing (2009) and Evans (2011).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1936 | Cassinoceras Ulrich and Foerste |
| 1943 | Cassinoceras Ulrich et al. |
| 1964 | Cassinoceras Teichert et al. p. 172 |
| 1981 | Cassinoceras Crick p. 226 |
| 2002 | Cassinoceras Sepkoski |
| 2009 | Cassinoceras Kröger and Landing |
| 2011 | Cassinoceras Evans |
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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. †Cassinoceras Ulrich and Foerste 1936
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†Cassinoceras amplum Dawson 1881
†Cassinoceras magister Foerste 1938
†Cassinoceras triton Billings 1865
†Cassinoceras wortheni Billings 1865
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Floian to the top of the Middle Ordovician or 477.70000 to 458.40000 Ma
Collections (21 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Jeffersonian - Rangerian | Canada (Quebec) | C. wortheni, C. magister (99217) | |
| Early/Lower Ordovician | Svalbard and Jan Mayen | C. sp. (212929) | |
| Jeffersonian | Canada (Newfoundland) | C. wortheni (195785) | |
| Tremadocian - Floian | Canada (Newfoundland and Labrador) | C. triton (189276) C. wortheni, C. triton (98440) | |
| Canadian | Canada (Quebec) | C. amplum (189295) | |
| Cassinian | Canada (Newfoundland and Labrador) | C. wortheni (69196 133128 133134 189277) | |
| Cassinian | USA (Vermont) | Piloceras explanator, C. explanator (42793) | |
| Cassinian | USA (New York) | C. explanator (90082) Piloceras explanator (42798) | |
| Tulean - Blackhillsian | United Kingdom (Scotland) | C. wortheni (188699 188701 188714 188715) | |
| Tulean - Blackhillsian | Canada (Newfoundland and Labrador) | C. wortheni (196381) | |
| Floian | Canada (Newfoundland) | C. wortheni (195746) | |
| Floian | USA (Virginia) | C. sp. (189278) | |
| Middle Ordovician | Norway | Piloceras explanator (154903) |