Clarkesvillia
| Clarkesvillia Temporal range: U Ordovician
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| Genus: | Clarkesvillia Flower, 1946
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Clarkesvillia is a genus of Upper Ordovician westonocerids the differs from Faberoceras in having a more flattened venter and from the later Glyptodendron in having a more ventrally located siphuncle.
references
- Teichert, C. 1964. Nautiloidea -Discosorida. Treatise on Invertebrate Paleontology Part K Teichert and Moore, eds.
- Clarkesvillia-Paleobiology DB
see also list of nautiloids
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