ˌsträfəˈmēnə noun
Usage: capitalized
Etymology: New Latin, irregular from Greek strophōma hinge (akin to Greek strephein to turn) + mēnē moon; from its hinge and concavo-convex shell — more at strophe , moon
: a genus (the type of the family Strophomenidae) of extinct brachiopods having a long hinge, sharply limited muscle scars, and resupinate shell