Actinocrinus
noun
Ac·ti·no·cri·nus
ˌak-tə-(ˌ)nō-ˈkrī-nəs
: a genus (the type of the family Actinocrinidae) of crinoids abundant in the Mississippian rocks of America and Europe
Word History
Etymology
New Latin, from actin- + -crinus
First Known Use
1841, in the meaning defined above