Acanthoclymenia is genus of ammonoid cephalopods belonging to the Acanthoclymeniidae family. Species belonging to this genus lived in middle and late Devonian (upper Givetian - lower Frasnian). Its fossils were found in Europe, Asia, north Africa, North America and Australia. Species of this genus had discoidal shells with flattened venter.
Species and distribution
- Acanthoclymenia neapolitana <small>Clarke, 1898</small>: ca 383.7 - 376.1 mya of USA (New York) and Australia.
- Acanthoclymenia forcipifer <small>Sandberger & Sandberger, 1851</small>: ca 378.7 - 376.9 mya of Algeria, Germany, Great Britain Kazakhstan and China (Guangxi and Guizhou).
- Acanthoclymenia genundewa <small>Clarke, 1899</small>: ca 383.3 - 382.7 mya of USA (New York) and Poland.
- Acanthoclymenia planorbis <small>Sandberger & Sandberger, 1851</small>: ca 377.5 - 376.9 mya of USA (New York).
There were more finds of this genus, but without valid description:
- Acanthoclymenia aff. genundewa <small>Clarke, 1898</small>: ca 378.7 - 376.9 mya of USA (West Virginia) and Russia (Southern Timan).
- Acanthoclymenia aff. neapolitana <small>Clarke, 1898</small>: ca 383.7 - 376.1 mya of Australia.
- Acanthoclymenia n.sp. juv. <small>Becker et al. 2000</small>: ca 378.7 - 377.5 mya of Russia (Southern Timan).
References