bivalve mollusk
21Sea silk — is an extremely fine, rare and valuable fabric produced from the long silky filaments or byssus secreted by a gland in the foot of several bivalve mollusks (particularly Pinna nobilis L.) by which they attach themselves to the sea bed. [ Webster… …
22cockle — cockle1 /kok euhl/, n., v., cockled, cockling. n. 1. any bivalve mollusk of the genus Cardium, having somewhat heart shaped, radially ribbed valves, esp. C. edule, the common edible species of Europe. 2. any of various allied or similar mollusks …
23pen shell — noun : a bivalve mollusk of the family Pinnidae having the shell resembling a quill pen in outline compare pinna * * * n. a large, wedge shaped, bivalve mollusk of warm seas that burrows into the seabed where it attaches itself by strong byssus… …
24trough shell — noun : a bivalve mollusk of the family Mactridae * * * trough shell noun A lamellibranch with a somewhat triangular shell thought to resemble a kneading trough (genus Mactra) • • • Main Entry: ↑trough * * * n. a burrowing marine bivalve mollusk… …
25Duck mussel — Duck mussel, Anodonta anatina Conservation status NE[1] …
26Asian mussel — Scientific classification Kingdom: Animalia Phylum …
27California mussel — Scientific classification Kingdom: Animalia Phylum …
28Musculium lacustre — Conservation status NE[1] Scientific classification Kingdom: Animalia …
29Coosa elktoe — Conservation status Extinct (IUCN 2.3) Scientific classification Kingdom …
30Coelatura alluaudi — Conservation status Data Deficient (IUCN 3.1) Scientific classification …
