Acanthoclymeniidae is a family of early, primitive, clymeniid ammonoid cephalopods that lived during the Late Devonian.[1] At one time this family was known to contain a single genus, Acanthoclymenia, named by Hyatt in 1900, which is its type.
| Acanthoclymeniidae Temporal range:
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | †Ammonoidea |
| Order: | †Agoniatitida |
| Superfamily: | †Gephurocerataceae |
| Family: | †Acanthoclymeniidae Schindewolf, 1955 |
| Type genus | |
| Acanthoclymenia Hyatt, 1900
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| Species[1] | |
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Acanthoclymeniidae are characterized by their small slightly involute, subdiscoidal, widely umbilicate shells that reach only a few centimeters in diameter. This description applies to the genus Acanthoclymenia as well.
References
edit- Miller, Furnish, and Schindewolf (1957) Paleozoic Ammonidea, Treatise on Invertebrate Paleontology Part L, Ammonoidea. Geological Soc of America.
- ^ a b c Acanthoclymeniidae in the Paleobiology Database
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