Busycon perversum (Linnaeus, 1758)

This shell was previously known as Busycon perversum pulleyi Hollister, 1958
Busycon pulleyi Hollister, 1958
Trawled from 10 fathoms off the Yucatan Peninsula, east Mexico (about 162 mm.)
Busycon perversum (Linnaeus, 1758)