pectinoid
/ˈpɛktɪnɔɪd/(also pectenoid) Zoology
adjective
Resembling a pecten or scallop; belonging to or characteristic of the family Pectinidae or related families.
noun
A pectinoid bivalve.
Origin
Mid 19th century; earliest use found in Robert Mayne (1808–1868). From classical Latin pectin-, pecten scallop + -oid, after scientific Latin pectinoidae (plural), pectinoides (E. M. da Costa Elem. Conchol. 263, 292). With the adjective compare earlier pectiniform.