Ammonites

British  

/ ˈæməˌnaɪts /

plural noun

1. Old Testament a nomadic tribe living east of the Jordan: a persistent enemy of the Israelites

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Example Sentences

She said the rocks were about 140 to 180 million years old and contained ammonites – spiral-shelled molluscs that lived in the oceans while dinosaurs roamed the Earth.

From BBC

This revealed a number of specimens including bones from ichthyosaurs and plesiosaurs and other ancient sea creatures including ammonites and bivalves, marine crocodiles and sharks.

From Science Daily

This interval, known as the Hettangian, was a time of continuing adverse conditions in the oceans, with generally low diversities among marine invertebrates, such as ammonites and bivalves.

From Science Daily

His collection at the time included ammonites, marine animals with a coiled shell.

From BBC

Eroding out of the area’s wave-battered limestone cliffs are the inhabitants of a tropical sea from 200 million years ago, including squidlike ammonites, pterosaurs, and a slew of marine reptiles, including ichthyosaurs and long-necked plesiosaurs.

From Science Magazine