Close up of valve surface showing sculpture
Species
Photographer / copyright holder
Steve Wilkinson
Specimen collected by Jan Light from Portland Harbour, Dorset. Length = 33mm.
Mysia undata
<em>Mysia undata</em> (Pennant, 1777)
Hinge detail of left valve
Species
Photographer / copyright holder
Steve Wilkinson
Specimen collected by Jan Light from Portland Harbour, Dorset. Length = 33mm.
Hinge detail of right valve
Species
Photographer / copyright holder
Steve Wilkinson
Specimen collected by Jan Light from Portland Harbour, Dorset. Length = 33mm.
Detail of valve sculpture
Species
Photographer / copyright holder
Steve Wilkinson
Specimen collected by Jan Light from Portland Harbour, Dorset. Length = 33mm.
Outside of right valve
Species
Photographer / copyright holder
Steve Wilkinson
Specimen collected by Jan Light from Portland Harbour, Dorset. Length = 33mm.
Inside of right valve
Species
Photographer / copyright holder
Steve Wilkinson
Specimen collected by Jan Light from Portland Harbour, Dorset. Length = 33mm.
Outside of left valve
Species
Photographer / copyright holder
Steve Wilkinson
Specimen collected by Jan Light from Portland Harbour, Dorset. Length = 33mm.
Inside of left valve
Species
Photographer / copyright holder
Steve Wilkinson
Specimen collected by Jan Light from Portland Harbour, Dorset. Length = 33mm.
Mysia undata
Distribution and status
Widely distributed
Found from Norway south to the Iberian Peninsula and into the Mediterranean
Ecology and behaviour
Burrows in sand, muddy sand, gravel and muddy shell gravel. Feeds by filtering phytoplankton.
Similar species
- Dosinia lupinus is more solid, smoother and possesses lateral tooth in left valve
Key identification features
- Broad mantle with wavy margin and deep pallial sinus
- Fragile round shell with a sculpture of sunken concentric lines
- No lateral tooth in left valve
Taxon version key
[NBNSYS0000176591]
Sort order
11090
Taxonomic group
Marine bivalve
Chalky white, fragile shell, up to about 4cm in length. Almost round. White to light yellow in colour. Sculpture of fine, sunken, concentric lines. Left valve three cardinal teeth; right valve two. No laterals. Orange siphons widely separated.