Clarkesvillia
| Clarkesvillia Temporal range: U Ordovician |
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|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | Nautiloidea |
| Order: | Discosorida |
| Family: | Westonoceratidae |
| Genus: |
Clarkesvillia Flower, 1946 |
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.
see also list of nautiloids
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