Circomphalus
Circomphalus is a genus of saltwater clams, marine bivalve molluscs in the family Veneridae, the venus clams.
| Circomphalus | |
|---|---|
 | |
| Valves of Circomphalus foliaceolamellosus | |
 | |
| Fossil valve of Circomphalus foliaceolamellosus from Pliocene of Italy | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Bivalvia |
| Subclass: | Heterodonta |
| 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)
gollark: Only then can we achieve true safety.
gollark: This really vindicates my decision to write code which never allocates memory.
gollark: How useful.
gollark: Basically every classroom has a giant 4K touchscreen display with I think some sort of limited built-in computer system (I don't know how they can afford this), and they all get wired to rather outdated NUCs and used at 1080p with the touchscreen mostly ignored.
gollark: We always had smart boards and such but they generally got underutilized.
References
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.