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Spyroceras baffinense
Taxonomy
Orthoceras olorus baffinense was named by Schuchert (1900).
It was recombined as Cycloceras olorus baffinense by Bassler (1915); it was recombined as Spyroceras olorus baffinense by Troedsson (1928); it was recombined as Spyroceras baffinense by Miller et al. (1954).
It was recombined as Cycloceras olorus baffinense by Bassler (1915); it was recombined as Spyroceras olorus baffinense by Troedsson (1928); it was recombined as Spyroceras baffinense by Miller et al. (1954).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1900 | Orthoceras olorus baffinense Schuchert pp. 151, 169 figs. pl. 12 f. 19-22 |
| 1915 | Cycloceras olorus baffinense Bassler p. 326 |
| 1928 | Spyroceras olorus baffinense Troedsson pp. 37, 117 figs. pl. 14 f. 1 |
| 1954 | Spyroceras baffinense Miller et al. pp. 59 - 61 figs. pl. 24 f. 1-4; pl. 25 f. 1-9; pl. 26 f. 1-8; pl. 27 f. 1-8; pl. 44 f. 9-10; pl. 46 f. 4-5; pl. 57 f. |
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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.
†Spyroceras baffinense Schuchert 1900
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: Cautleyan or 449.20000 to 448.80000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Trentonian - Richmondian | Canada (Nunavut) | Spyroceras baffinense (24115) | |
| Richmondian | Canada (Nunavut) | Spyroceras baffinense (24124) | |
| Cautleyan | Greenland (Washington Land) | Spyroceras olorus (24162) |