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Species of bivalve From Wikipedia, the free encyclopedia
Pisidium pulchellum , the iridescent pea mussel, is a minute species of pea clam, a freshwater bivalve in the family Sphaeriidae.
Pisidium pulchellum | |
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Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Bivalvia |
Order: | Sphaeriida |
Family: | Sphaeriidae |
Genus: | Pisidium |
Species: | P. pulchellum |
Binomial name | |
Pisidium pulchellum Jenyns, 1832 | |
The 3.5–4 mm shell is tumid (swollen), oblique-oval shell. The umbos are broad well and well behind the midpoint. The surface (periostracum) is glossy with regular concentric ribbing. The colour is grey to cream tinged and pinkvor orange from the animal inside.
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