A clam is any of a number of edible[?] marine bivalve mollusks living in sand or mud[?] on the shores of oceans.
Also see mussel.
... Nair syndrome[?] Alagille-Watson syndrome (AWS)[?] Alar nasal cartilages coloboma of telecanthus[?] Albers-Schonberg disease[?] Albinism deafness syndrome[?] ...