Antistreptus

Antistreptus
Shell of Antistreptus magellanicus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Neogastropoda
Family:	Prosiphonidae
Genus:	Antistreptus Dall, 1902

Antistreptus is a genus of sea snail, a marine gastropod mollusk in the family Prosiphonidae, the true whelks. ^[1]

Description

(Original 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 . ^[2]

Species

• Antistreptus contrarius (Thiele, 1912)
• Antistreptus magellanicus Dall, 1902
• Antistreptus perversus (A. W. B. Powell, 1951)
• Antistreptus reversus (A. W. B. Powell, 1958)

Synonyms

• Antistreptus rolaniCastellanos, 1986: synonym of Antistreptus magellanicusDall, 1902

References

1. "Antistreptus". WoRMS. World Register of Marine Species . Retrieved 19 April 2025.
2. Dall, W.H. (1902). "Illustrations and descriptions of new, unfigured, or imperfectly known shells, chiefly American in the U. S. National Museum". Proceedings of the United States National Museum. 24 (1264): 532. This article incorporates text from this source, which is in the public domain .

External links

• Pastorino G. & Griffin M. (2019). "Gastropods of the genus Antistreptus as examples of persistent molluscan lineages in the Neogene of the southwestern Atlantic". Journal of Paleontology. 93 (5): 916–924.