 | Cephalaspidida is an extinct order of jawless fish in the subclass Cornuata. Undichna, a fish-fin, or fish-swimming fossil trail left as a fossil impression... 2 KB (86 words) - 01:23, 6 September 2022 |
 | †Cephalaspidida... 42 KB (2,711 words) - 22:50, 6 May 2024 |
classification Kingdom: Animalia Phylum: Chordata Class: Osteostraci Order: Cephalaspidida Family: incertae sedis Genus: Superciliaspis Adrain & Wilson, 1994 Species:... 2 KB (106 words) - 21:13, 8 August 2023 |
Animalia Phylum: Chordata Class: †Osteostraci Subclass: †Cornuata Order: †Cephalaspidida Family: †Scolenaspididae Genus: †Zychaspis Janvier, 1985 Species †Zychaspis... 2 KB (135 words) - 02:59, 27 February 2024 |
| Animalia Phylum: Chordata Class: †Osteostraci Subclass: †Cornuata Order: †Cephalaspidida Family: †Cephalaspidae Huxley 1861 Genera †Cephalaspis †Didymaspis Lankester... 1 KB (70 words) - 07:55, 17 October 2023 |