Rhabdites
Encyclopedia
Rhabdites is an extinct orthocerid
genus, a kind of straight-shelled nautiloid cephalopod.
Orthocerida
Orthocerida is an order of extinct nautiloid cephalopods also known as the Michelinocerda that lived from the Early Ordovician possibly to the Late Triassic . A fossil found in the Caucasus suggests they may even have survived until the Early Cretaceous...
genus, a kind of straight-shelled nautiloid cephalopod.