Glycymeris nummaria
Glycymeris nummaria is a species of saltwater clam, a marine bivalve mollusc in the family Glycymerididae, the bittersweet clams.
| Glycymeris nummaria | |
|---|---|
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| One valve of a shell of Glycymeris nummaria from Sicily, on display at the Museo Civico di Storia Naturale di Milano | |
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| Fossil shells of Glycymeris nummaria from Pliocene of Italy | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Bivalvia |
| Order: | Arcida |
| Family: | Glycymerididae |
| Genus: | Glycymeris |
| Species: | G. nummaria |
| Binomial name | |
| Glycymeris nummaria | |
Synonyms
- Arca insubrica Brocchi, 1814
- Arca nummaria Linnaeus, 1758
- Glycymeris insubrica (Brocchi, 1814)
- Glycymeris violacescens (Lamarck, 1819)
- Pectunculus cor Lamarck, 1805
- Pectunculus nudicardo Lamarck, 1819
- Pectunculus obliquatus Rayneval & Ponzi, 1854
- Pectunculus pilosellus Risso, 1826
- Pectunculus purpurascens M' Andrew, 1854
- Pectunculus reticulatus Risso, 1826
- Pectunculus transversus Lamarck, 1819
- Pectunculus zonalis Lamarck, 1819
Description
The shell of an adult Glycymeris nummaria can be as large as 60 millimetres (2.4 in). It is quite thick, almost circular in shape, with a sculpture of radiating striae and fine concentric lines. The surface is dull and may be dark or pale brown, but also whitish-yellowish. Inside of the shell is glossy, white or pale yellow, often with irregular brown markings.
Distribution and habitat
This species is widespread from Norway to the Mediterranean Sea. It lives in sandy-muddy gravels offshore to depths of about 100 metres (330 ft).
gollark: Apiformoid.
gollark: No.
gollark: Interesting!
gollark: ++help
gollark: ++magic py hack apioforms
References
- Melita Peharda, Marija Crnčević, Ivana Bušelić, Chris A. Richardson and Daria Ezgeta-Balić - Growth And Longevity of Glycymeris nummaria (Linnaeus, 1758) from the Eastern Adriatic, Croatia
External links
- Najdek M., Ezgeta-Balić D., Blažina M., Crnčević M. & Peharda M. (2016). "Potential food sources of Glycymeris nummaria (Mollusca: Bivalvia) during the annual cycleindicated by fatty acid analysis". Scientia Marina 80(1): 123-129. doi:10.3989/scimar.04267.23A.
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