Word Meanings - TONGUE-SHELL - Book Publishers vocabulary database

Any species of Lingula.

SPECIES
A group of individuals agreeing in common attributes, and designated by a common name; a conception subordinated to another conception, called a genus, or generic conception, from which it differs in containing or comprehending more attributes,
LINGULATE
Shaped like the tongue or a strap; ligulate.
LINGULA
A tonguelike process or part.
SUBSPECIES
A group somewhat lessdistinct than speciesusually are, but based on characters more important than those which characterize ordinary varieties; often, a geographical variety or race.