- Animals
- ›Molluscs
- ›Bivalves
- ›Autobranchia
- ›Heteroconchia
- ›Euheterodonta
- ›Imparidentia
- ›Pea Clams, Fingernail Clams and Allies
- ›Sphaerioidea
- ›Pea Clams
- ›Sphaeriinae
- ›Musculium
Lake Fingernailclam
Musculium lacustre
Sphaerium lacustre, also known as lake fingernail clam, is species of small freshwater clam, an aquatic bivalve mollusc in the family Sphaeriidae, the fingernail clams and pea clams.
From the article Sphaerium lacustre on Wikipedia (CC BY-SA), quoted section by section
Description
The 8–11 mm. shell is oval to quadrangular in shape. The umbos which are capped by the juvenile shell are slightly in front of middle directed forwards. The posterior end is broad and truncated. The shell is fragile, fairly glossy and pearl grey to white in colour. The periostracum (surface) is ornamented with fine, even, concentric striation.
Range & habitat
The native distribution of this species is Holarctic and occurs in islands and countries including:
Algeria Belgium Czech Republic – in Bohemia, in Moravia, near threatened (NT) Slovakia Germany – (Arten der Vorwarnliste) Great Britain Ireland Nordic countries: Denmark, Finland, Sweden (but not in Faroes nor in Iceland)
Wikipedia: “Distribution”
Where it lives
Recorded sightings
—
geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Musculium lacustre in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 225302.