fusulinid

noun fu·su·li·nid \ˌfyü-zə-ˈlī-nid, -ˈlē-, -ˈli-\

Definition of FUSULINID

: any of a family (Fusulinidae) of extinct marine foraminifers

New Latin Fusulinidae, from Fusulina, a genus, from Latin fusus spindle + -ulus -ule + New Latin -ina, diminutive suffix

First Known Use: 1941

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