Hysteroconcha lupanaria

Hysteroconcha lupanaria is a species of marine bivalve mollusc in the family Veneridae, the Venus clams.^[1][2]

Hysteroconcha lupanaria
A shell of Hysteroconcha lupanaria
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Bivalvia
Order:	Venerida
Family:	Veneridae
Genus:	Hysteroconcha
Species:	H. lupanaria
Binomial name
Hysteroconcha lupanaria (Lesson, 1831)
Synonyms
Cytherea lupanaria Lesson, 1831 (original combination) Cytherea semilamellosa Delessert, 1841 Dione exspinata Reeve, 1863 Pitar lupanaria (Lesson, 1831) Venus lupanaria (Lesson, 1831)

Description

The shell of this species is unusual in that it has a double series of long, curved spines on the posterior slope of each valve. A closely related species which occurs in the Western Atlantic is Pitar dione.

Distribution

This species is found in the Eastern Pacific Ocean.