ceratite
(ˈsɛrətaɪt)
[f. Gr. κέρας, κερατ- horn + -ite.]
A fossil Cephalopod, with a discoidal shell having lobed sutures, with the lobes oviculated.
| 1847 Ansted Anc. World vii. 119 Among the cuttle fish..there is a curious example..known as the Ceratite. |