Definitions from Wikipedia (Actinocerida)

▸ noun:  an order of generally straight, medium to large cephalopods that lived during the early and middle Paleozoic, distinguished by a siphuncle composed of expanded segments that extend into the adjacent chambers, in which deposits formed within contain a system of radial canals and a narrow space along the inner side of the connecting ring known as a paraspatium.


▸ Words similar to actinocerida
▸ Usage examples for actinocerida

▸ Idioms related to actinocerida
▸ Wikipedia articles (New!)
▸ Popular adjectives describing actinocerida
▸ Words that often appear near actinocerida
▸ Rhymes of actinocerida

▸ Invented words related to actinocerida