Agoniatites
noun
Ago·ni·a·ti·tes
(ˈ)ā-ˌgō-nē-ə-ˈtī-(ˌ)tēz,
ə-
: a genus of Devonian ammonoid mollusks (family Goniatitidae)
Word History
Etymology
borrowed from New Latin, from a- a- entry 2 + Goniatites goniatites
First Known Use
1889, in the meaning defined above