fusuline

fusuline foraminifera were abundant in permian seas.

paleontologists discovered a rich fusuline assemblage in the limestone.

the fusuline species provides important biostratigraphic markers.

fusuline fossils help geologists date carbonate rocks.

the fusuline zone indicates a late carboniferous age.

researchers studied the fusuline morphology under the microscope.

fusuline limestone is common in the illinois basin.

the fusuline test shows complex chamber arrangements.

this fusuline genus went extinct during the permian-triassic event.

fusuline microfacies reveal ancient marine environments.

the specimen represents a well-preserved fusuline fauna.

fusuline biostratigraphy helps correlate rock units across continents.