pholadid
/ˈfəʊlədɪd/Zoology
noun
A bivalve mollusc of the family Pholadidae, which comprises the piddocks.
Origin
Late 19th century; earliest use found in Isaac Funk (1839–1912), publisher and reformer. From scientific Latin Pholadidae, family name from Pholad-, taken as stem of Pholas, genus name + -idae.