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Cycloceras olorus
Taxonomy
Orthoceras olorus was named by Hall (1879).
It was recombined as Cycloceras olorus by Bassler (1915); it was recombined as Spyroceras olorus by Troedsson (1928) and Miller et al. (1954).
It was recombined as Cycloceras olorus by Bassler (1915); it was recombined as Spyroceras olorus by Troedsson (1928) and Miller et al. (1954).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1879 | Orthoceras olorus Hall |
| 1915 | Cycloceras olorus Bassler p. 326 |
| 1928 | Spyroceras olorus Troedsson pp. 37, 117 |
| 1954 | Spyroceras olorus Miller et al. p. 60 |
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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.
†Cycloceras olorus Hall 1879
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2004 | |||||
Age range: base of the Middle Ordovician to the top of the Late/Upper Ordovician or 470.00000 to 443.80000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Ordovician - Late/Upper Ordovician | Canada (Nunavut) | Cycloceras olorus (24229) |