ˌträpədōˈleptəs noun
Usage: capitalized
Etymology: New Latin, from tropido- (from Greek tropid-, tropis ship's keel) + Greek leptos small; akin to Greek tropos turn — more at trope , lept-
: a genus of articulate brachiopods widely distributed in Devonian formations where they are important index fossils and characterized by a concavo-convex shell wide at the hinge and with broad rounded ribs