Cirsochilus
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| Cirsochilus Temporal range: | |
|---|---|
 | |
| Cirsochilus moucharti | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Vetigastropoda |
| Order: | Trochida |
| Family: | Colloniidae |
| Subfamily: | Colloniinae |
| Genus: | †Cirsochilus Cossmann, 1888 |
| Type species | |
| † Cirsochilus varius (Defrance, 1818) | |
| Synonyms[1] | |
| |
Cirsochilus is an extinct genus of sea snails, marine gastropod molluscs in the family Colloniidae.[1] Fossils of the genus date to between the Cretaceous and the Quaternary periods, and are found globally.
Members of the genus have a thickened inner lip, sharp edge, and a pearly shell.[2]
Taxonomy
Cirsochilus was first described by Maurice Cossmann in 1888 as a subgenus of Collonia.[2] It was raised to genus level by Jean-Michel Pacaud and Jacques Le Renard in 1995.[3]
Distribution
Fossils of the genus date to between the Cretaceous period and Quaternary period, and have been found in the Americas, Europe, Asia and Oceania.[4]
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