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Orbitoides

noun
Or·​bi·​toi·​des

Definition of Orbitoides

: a genus of Upper Cretaceous to Miocene foraminiferans similar to Nummulites but characterized by radially arranged chambers and several layers of small chambers superimposed on both surfaces of the layer of large chambers

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History and Etymology for Orbitoides

New Latin, from Latin orbita orbit + -oides -oid

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