• Thumbnail for Arandaspida
    Arandaspida is a taxon of very early, jawless prehistoric fish which lived during the Ordovician period. Arandaspids represent the oldest known craniates...
    5 KB (430 words) - 18:23, 11 November 2023
  • Thumbnail for Sacabambaspis
    Sacabambaspis from the Natural History Museum of Helsinki in Finland. Arandaspida Sansom, Ivan J.; Miller, C. Giles; Heward, Alan; Davies, Neil S.; Booth...
    9 KB (907 words) - 15:41, 6 April 2024
  • Thumbnail for Pteraspidomorphi
    Goodrich, 1909 Type species Pteraspis rostrata Agassiz, 1835 Subgroups †Anatolepis †Arandaspida †Heterostracomorphi †Astraspida †Eriptychiida †Heterostraci...
    5 KB (332 words) - 15:33, 22 November 2023
  • Thumbnail for Arandaspis
    Anatolepis Arandaspida Heterostracomorphi...
    3 KB (250 words) - 02:57, 12 March 2024
  • Thumbnail for Ostracoderm
    fresh water. The taxon contains the subgroups Heterostraci, Astraspida, Arandaspida. †Thelodonti (extinct) Thelodonti ('feeble-teeth') are a group of small...
    16 KB (1,032 words) - 20:02, 15 March 2024
  • Thumbnail for Astraspis
    Anatolepis Arandaspida Heterostracomorphi...
    3 KB (258 words) - 16:29, 28 January 2024
  • Thumbnail for Agnatha
    fresh water. The taxon contains the subgroups Heterostraci, Astraspida, Arandaspida. †Thelodonti (extinct) Thelodonti (nipple teeth) are a group of small...
    41 KB (2,703 words) - 18:53, 19 April 2024
  • Thumbnail for Drepanaspis
    Arandaspida Heterostracomorphi...
    20 KB (2,042 words) - 07:29, 3 March 2024
  • classification Kingdom: Animalia Phylum: Chordata Class: Pteraspidomorphi Order: Arandaspida Genus: Apedolepis Young, 1997 Species A. tomlinsonae Young 1997...
    2 KB (106 words) - 14:52, 11 June 2023
  • Thumbnail for Doryaspis
    Anatolepis Arandaspida Heterostracomorphi...
    4 KB (451 words) - 02:23, 3 December 2023