Kingdom Animalia Subclass Heterodonta Suborder Sphaeriacea Scientific name Pisidium moitessierianum Rank Species | Phylum Mollusca Order Veneroida Family Sphaeriidae Higher classification Pisidium | |
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Similar Pisidium henslowanum, Pisidium, Pisidium hibernicum, Pisidium subtruncatum, Pisidium nitidum | ||
Pisidium moitessierianum is a species of minute freshwater clam. It is an aquatic bivalve mollusc in the family Sphaeriidae.
Contents
Description
This species is the smallest of the pea clams or Pisidium species, and the smallest of any freshwater bivalve, at 1.5 - 2.5 mm. adult size. The shell is long-oval and oblique wedge-shaped with prominent umbos which are slightly behind the mid point. The umbos are demarcated by a shallow furrow. The surface (periostracum) is silky, with regular concentric striae.
Distribution
The species is native to Europe, but has been introduced to northeastern North America.
References
Pisidium moitessierianum Wikipedia(Text) CC BY-SA