Circomphalus

Circomphalus is a genus of saltwater clams, marine bivalve molluscs in the family Veneridae, the venus clams.

Circomphalus Temporal range: Miocene – Present PreꞒ Ꞓ O S D C P T J K Pg N
Valves of Circomphalus foliaceolamellosus
Fossil valve of Circomphalus foliaceolamellosus from Pliocene of Italy
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Bivalvia
Order:	Venerida
Superfamily:	Veneroidea
Family:	Veneridae
Genus:	Circomphalus Mörch, 1853
Species
See text.

Fossil records

The genus Circomphalus is known from the Miocene to the Recent periods (age range: from 15.97 to 0.0 million years ago).^[1]

Species

Species within this genus, according to ITIS, include:^[2]

• Circomphalus callimorphus (Dall, 1902)
• Circomphalus casina (Linnaeus, 1758)
• Circomphalus fordi (Yates, 1890)
• Circomphalus strigillinus (Dall, 1902)

According to the World Register of Marine Species, the species are:^[3]

• Circomphalus disjectus (Perry, 1811)
• Circomphalus foliaceolamellosus (Dillwyn, 1817)
• Circomphalus hiraseanus (Kuroda, 1930)
• Circomphalus yatei (Gray, 1835)