Kingdom Animalia Subclass Heterodonta Suborder Sphaeriacea Scientific name Pisidium obtusale Rank Species | Phylum Mollusca Order Veneroida Family Sphaeriidae Higher classification Pisidium | |
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Similar Pisidium milium, Pisidium hibernicum, Pisidium, Pisidium nitidum, Pisidium pseudosphaerium | ||
Pisidium obtusale is a species of freshwater bivalve from family Sphaeriidae.
Contents
Description
The 2.5-3.5mm. shell is very tumid (swollen). It is an angular-oval shape with broad, rounded umbos which are behind the midpoint. The surface (periostracum) is glossy with fine concentric striae. Numerous pores are visible inside the shell. The colour is whitish to yellowish often coated with a red-brown deposit.
Distribution
Its native distribution is Holarctic.
References
Pisidium obtusale Wikipedia(Text) CC BY-SA