Musculus discors

<em>Musculus discors</em> (Linnaeus, 1767)

Inside of right valve

Submitted by Steve Wilkinson on Fri, 01/01/2010 00:00

Species

Musculus discors

Photographer / copyright holder

Steve Wilkinson

Specimen collected by D'arcy W. Thompson Coll from North Berwick. Length = 17mm.

Inside of left valve

Submitted by Steve Wilkinson on Fri, 01/01/2010 00:00

Species

Musculus discors

Photographer / copyright holder

Steve Wilkinson

Specimen collected by D'arcy W. Thompson Coll from North Berwick. Length = 17mm.

Outside of right valve

Submitted by Steve Wilkinson on Fri, 01/01/2010 00:00

Species

Musculus discors

Photographer / copyright holder

Steve Wilkinson

Specimen collected by D'arcy W. Thompson Coll from North Berwick. Length = 17mm.

Outside of left valve

Submitted by Steve Wilkinson on Fri, 01/01/2010 00:00

Species

Musculus discors

Photographer / copyright holder

Steve Wilkinson

Specimen collected by D'arcy W. Thompson Coll from North Berwick. Length = 17mm.

Musculus discors

Submitted by Steve Wilkinson on Sat, 05/12/2009 22:15

Distribution and status

CommonNorway south to the Mediterranean

Ecology and behaviour

Found under rocks and among algae. Spins together algae to create a nest from where it filters phytoplankton

Key identification features

Anterior region of shell has 8-12 ribs; posterior 30-40 ribs
Periostracum is pale green of brown

Taxon version key

[NBNSYS0000176548]

Sort order

9400

Taxonomic group

Marine bivalve

Read more about Musculus discors
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Brittle shell up to 1.5cm in length. The shell is yellow brown in colour but this is obscured by thick green or brown periositracum. The inside is generally white but sometimes pale purple. The surface of the shell is sculptured with fine concentric lines and radiating ribs. Margin of the shell is crenulate.

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