| Hystrivasum | |
|---|---|
| | |
| Five views of a fossil shell of Hystrivasum squamosum (Hollister 1971) | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Neogastropoda |
| Family: | Turbinellidae |
| Subfamily: | Vasinae |
| Genus: | Hystrivasum Vokes, 1966 |
Hystrivasum is an extinct genus of medium-sized fossil predatory gastropods in the family Turbinellidae. The species in this genus are known from the Pliocene and Pleistocene deposits of Florida.