Cyrtopleura costata (Linnaeus, 1758)
Angel wing
Cyrtopleura costata
photo by Coltro, Marcus

Family:  Pholadidae (angel wings, piddocks)
Max. size:  18 cm TL (male/unsexed)
Environment:  benthic; marine; depth range 0 - 49 m
Distribution:  Western Atlantic: Caribbean to northeast Brazil.
Diagnosis:  Diagnostic features: Shell light, thin, elongate. Sculpture of concentric ridges and strong radial ribs. Scale-like projections form at intersections of ridges and ribs. Pair of spoon-shaped structures under umbones, called apophyses, are points of attachment of foot muscles. Colour: pure white, seldom with delicate pinkish internal coloration (Ref. 271).
Biology:  It has an assumed maximum total length of 18 cm (Ref. 271). Maximum depth from Ref. 104365. It is found infaunal in compact mud or sand, from intertidal to shallow subtidal depths. Borer in mud bottoms in protected bays (Ref. 271).
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans: 
Country info:   
 

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