Genus Sphenoceramus Bohm, 1915 [f]

(3-7-8-3-5-4-0-112-0-0-0-0-0)
Syn. Spenoceramus Bohm, 1927;
Sphernoceramus Hatch & Balasubamanian, 1969
Ref. Vokes, 1980 p 43