Genus Cameroceras Conrad, 1842

Type species

Cameroceras trentonense Conrad, 1842, Middleville, New York, USA, Trenton Limestone, late Katian; by original designation.

Diagnosis

Slender, large orthocones with circular or somewhat depressed cross section; sutures simple and straight, or with very slight ventral lobe; siphuncle up to 0.5 of corresponding conch cross section in diameter; mostly marginally positioned; septal necks holochoanitic; endocones simple; endosiphuncular tube narrow, situated in half of siphuncle that is closer to conch margin. (Adopted from Teichert, 1964.)