Protaspis
Protaspis
Eukaryota | Animalia | Chordata | Vertebrata | Pteraspididae | Protaspis
COL:CS5HF | COL:N | COL:CH2 | COL:8V4V3 | COL:SHC5J | COL:RZMQW
(Chatton, 1925) Whittaker & Margulis, 1978 |  |  |  | Claypole, 1885 | Bryant, 1933