Sinistrofulgur contrarium

Sinistrofulgur contrarium is a fossil snail species of the busycon whelks in the family Busyconidae. There has been some confusion about the correct taxonomy of this species, which has been confused with the extant species Sinistrofulgur sinistrum Hollister, 1958, and Sinistrofulgur perversum (Linnaeus, 1758)^[2][1]

Sinistrofulgur contrarium Temporal range: Miocene-Pleistocene
A shell of S. contrarium
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Neogastropoda
Family:	Busyconidae
Genus:	Sinistrofulgur
Species:	†S. contrarium
Binomial name
†Sinistrofulgur contrarium (Conrad, 1840)
Synonyms[1]
†Busycon contrarium (Conrad, 1840) †Fulgur contrarius Conrad, 1840

Description

Shell size of this operculated sinistral species 170 mm.

Distribution

In muddy sand with sea-grass: Sanibel Island, Florida.