Didymoceras nebrascensis
Didymoceras nebrascense
Biota | Animalia | Mollusca | Cephalopoda | Ammonoidea | Turrilitaceae | Nostoceratidae | Didymoceras | Didymoceras nebrascense
COL:5T6MX | COL:N | COL:M2L | COL:8ZXFW | COL:NY | COL:5SH | COL:626GH | COL:457N | COL:35YL9
|  |  | Cuvier, 1795 | Zittel, 1884 |  |  |  | (Meek & Hayden, 1856)