Collections

Specimen, shell

Other name(s): 
Glycymeris glycymeris
Glycymeris glycymeris
Orbicular ark
dog-cockle
dog cockle
combshell
Collection ID: 
Z555.1.184
Collection: 
Zoology
Class: Bivalvia. 3 specimens. All have both valves still connected. Large, subcircular and thick with well defined radiating growth lines. They vary in colour from whites to light purples and reds. However, they have a very distinctive and recognisable pattern of concentric zigzags. The internal surface is white and glossy. This species is a burrower and can be found in fine gravels.

Field collection

CollectorRobert Rendall