[am-uh-nahyt] 
| the coiled, chambered fossil shell of an ammonoid. |
| am·mo·nite (ām'ə-nīt') n. The coiled, flat, chambered fossil shell of an extinct cephalopod mollusk that was abundant in the Cretaceous Period. [New Latin Ammōnītēs, from Latin (cornū) Ammōnis, (horn) of Amen, ammonite, genitive of Ammōn, Amen, from Greek.] am'mo·nit'ic (-nĭt'ĭk) adj. |
| ammonite (ām'ə-nīt') Pronunciation Key
Any of the ammonoids belonging to the order Ammonitida and living during the Jurassic and the Cretaceous Periods. Ammonites had a thick, very ornamental chambered shell with highly defined, wavy sutures between the chambers. |
əˌnaɪt