Choanoceratidae
From Wikipedia, the free encyclopedia
| Choanoceratidae Temporal range: Mid Silurian | |
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Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Order: | †Orthocerida |
| Family: | †Choanoceratidae Miller (1932) |
| Genus: | †Choanoceras Miller (1932) |
The Choanoceratidae is a small, mono-generic, family of extinct orthoceratoid cephalopods in the order Orthocerida that lived in what would be Europe during the middle Silurian from 428.2 to 426.2 mya, existing for approximately 2 million years.[1]
