noun fu·su·li·na \ˌfyüzəˈlīnə, -lēnə\

Definition of fusulina

  1. 1 capitalized :  a genus (the type of the family Fusulinidae) of large fossil spindle-shaped foraminiferans having a test with 4-layered walls and deeply folded septa and serving as an index fossil in various Lower and Middle Pennsylvanian rocks

  2. 2 plural -s :  an animal or fossil of Fusulina or a related genus

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Origin and Etymology of fusulina

New Latin, from Latin fusus spindle + -ulus (diminutive suffix) + New Latin -ina

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capable of being understood in two ways

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