Didymoceras nebrascensis
Didymoceras nebrascense
Eukaryota | Animalia | Mollusca | Cephalopoda | Ammonoidea | Turrilitaceae | Nostoceratidae | Didymoceras | Didymoceras nebrascense
COL:CS5HF | COL:N | COL:M2L | COL:7NF3H | COL:NY | COL:5SH | COL:626GH | COL:457N | COL:35YL9
(Chatton, 1925) Whittaker & Margulis, 1978 |  |  | Cuvier, 1795 |  |  | Hyatt, 1894 | Lai & Xu, 1987 | (Meek & Hayden, 1856)