Antistreptus
Antistreptus is a genus of sea snail, a marine gastropod mollusk in the family Prosiphonidae, the true whelks.
Description
The shell is small, exhibiting the general form of Anachis, and is sinistral, but possesses a dextral nucleus. The operculum is as in Trophon.Species
Antistreptus contrarius Antistreptus magellanicus Dall, 1902Antistreptus perversus Antistreptus reversus;Synonyms:Antistreptus rolani Castellanos, 1986: synonym of Antistreptus magellanicus Dall, 1902