Belongs within: Neoglyphiocerataceae.
Cravenoceras is an Upper Mississipian (Lower Carboniferous) genus of ammonoid.
Characters (from Gordon 1964): Conch thick discoidal to globose, narrowly to widely umbilicate; ornamented by flat transverse striae, slightly raised along orad edge giving appearance of raised bands; lamellae in mature shelled bowed slightly orad across venter, flattened in middle or form a definite sinus across venter; internal varices present. Suture with eight pointed lobes, simple, bell-shaped, pointed; ventral lobe relatively narrow, divided generally to less than half its length by median saddle.
Cravenoceras
|--C. fayettevillae Gordon 1964P68
|--C. friscoenseP68
|--C. hesperium Miller & Furnish 1940P68
|--C. incisumP68
|--C. involutum Gordon 1964P68
|--C. inyoense Gordon 1964P68
|--C. leion Bisat 1930KK12
|--C. lineolatum Gordon 1964P68
|--C. merriamiP68
|--C. miseri Gordon 1964P68
|--C. nevadense Miller & Furnish 1940P68
|--C. richardsonianumP68
`--C. scotti Miller & Youngquist 1948P68
*Type species of generic name indicated
References
Gordon, M., Jr. 1964. Carboniferous cephalopods of Arkansas. Geological Survey Professional Paper 460.
[KK12] Korn, D., & C. Klug. 2012. Palaeozoic ammonoids—diversity and development of conch morphology. In: Talent, J. A. (ed.) Earth and Life: Global biodiversity, extinction intervals and biogeographic perturbations through time pp. 491–534. Springer.
[P68] Purnell, L. R. 1968. Catalog of the type specimens of invertebrate fossils. Part I: Paleozoic Cephalopoda. United States National Museum Bulletin 262: 1–198.