Eukaryota | Animalia | Mollusca | Cephalopoda | Ammonoidea | Hildocerataceae | Graphoceratidae | Ludwigia
COL:CS5HF | COL:N | COL:M2L | COL:7NF3H | COL:NY | COL:58D | COL:625BJ | COL:5H77
(Chatton, 1925) Whittaker & Margulis, 1978 |  |  | Cuvier, 1795 |  |  | Buckman, 1905 | Bayle, 1878