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Acanthocyclus
Taxonomy
Acanthocyclus was named by Dybowski (1873). It is not extant.
It was assigned to Paleocyclidae by Bassler (1937).
It was assigned to Paleocyclidae by Bassler (1937).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1873 | Acanthocyclus Dybowski |
| 1937 | Acanthocyclus Bassler |
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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. †Acanthocyclus Dybowski 1873
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†Acanthocyclus catinulus Dybowski 1873
†Acanthocyclus fletcheri Milne-Edwards and Haime 1851
†Acanthocyclus iowensis Bassler 1937
†Acanthocyclus magnus Bassler 1937
†Acanthocyclus parvulus Bassler 1937
†Acanthocyclus porpitoides Lang and Smith 1927
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: Telychian or 438.60000 to 432.90000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Llandovery | Russian Federation (Siberia) | A. patellatum (206319) | |
| Telychian | Canada (Quebec) | A. porpitoides (184837) |