Top Results for Nautiloid
Cameroceras trentonense is an extinct nautiloid cephalopod from the Middle Ordovician period, approximately 470 million years ago. Belonging to the order Endocerida, it possessed a long, straight, conical shell that represents one of the largest known shell structures in the fossil record, with esti...
Why this score?
Giant Ordovician cephalopod with notable predator status; size estimates and taxonomy remain uncertain.
Scoring methodology
Orthoceras regulare is an extinct, straight-shelled nautiloid cephalopod and the type species of the genus Orthoceras. It is known from Middle Ordovician limestone deposits in parts of the Baltic and eastern European region, including Sweden and areas around the eastern Baltic. The species is distin...
Why this score?
Common straight nautiloid widely sold and recognized; taxonomic misuse and abundance lower consensus quality.
Scoring methodology
