Xiphactinus
Xiphactinus
Eukaryota | Animalia | Chordata | Vertebrata | Ichthyodectidae | Xiphactinus
COL:CS5HF | COL:N | COL:CH2 | COL:8V4V3 | COL:PTS77 | COL:TNWHN
(Chatton, 1925) Whittaker & Margulis, 1978 |  |  |  | Crook, 1892 | Leidy, 1870