• Thumbnail for Amphiaspididae
    Amphiaspididae is a family of extinct amphiaspidid heterostracan agnathans whose fossils are restricted to Lower Devonian marine strata of Siberia near...
    2 KB (164 words) - 01:30, 2 March 2023
  • Thumbnail for Sacabambaspis
    Amphiaspididae Amphiaspis Amphoraspis Edaphaspididae Edaphaspis Gabreyaspididae Gabreyaspis Prosarctaspis Pelaspis Tareyaspis Olbiaspididae Olbiaspis Kureykaspis...
    9 KB (919 words) - 16:54, 13 July 2024
  • Thumbnail for Amphiaspidida
    Amphiaspidida Superfamilies and Families Amphiaspidoidei Edaphaspididae Amphiaspididae Gabreyaspididae Olbiaspididae Hibernaspidoidei Hibernaspididae Eglonaspididae...
    5 KB (460 words) - 04:20, 27 February 2023
  • Thumbnail for Amphiaspidoidei
    Heterostraci Order: Cyathaspidiformes (unranked): Amphiaspidida Superfamily: Amphiaspidoidei Families Amphiaspididae Edaphaspididae Gabreyaspididae Olbiaspididae...
    2 KB (172 words) - 01:12, 23 August 2022
  • Thumbnail for Arandaspis
    Amphiaspididae Amphiaspis Amphoraspis Edaphaspididae Edaphaspis Gabreyaspididae Gabreyaspis Prosarctaspis Pelaspis Tareyaspis Olbiaspididae Olbiaspis Kureykaspis...
    3 KB (250 words) - 08:59, 16 May 2024
  • Thumbnail for Cyathaspidiformes
    Ariaspidae Ctenaspididae Cyathaspidae Amphiaspidida Amphiaspidoidei Amphiaspididae Edaphaspididae Gabreyaspididae Olbiaspididae Hibernaspidoidei Aphataspididae...
    6 KB (579 words) - 01:38, 8 January 2024
  • Thumbnail for Arandaspida
    Amphiaspididae Amphiaspis Amphoraspis Edaphaspididae Edaphaspis Gabreyaspididae Gabreyaspis Prosarctaspis Pelaspis Tareyaspis Olbiaspididae Olbiaspis Kureykaspis...
    5 KB (430 words) - 10:09, 26 May 2024
  • Thumbnail for Amphoraspis
    Amphoraspis stellata is an amphiaspidid heterostracan in the family Amphiaspididae. Its fossils are restricted to early Devonian-aged marine strata of...
    2 KB (177 words) - 21:29, 29 June 2022
  • Thumbnail for Astraspis
    Amphiaspididae Amphiaspis Amphoraspis Edaphaspididae Edaphaspis Gabreyaspididae Gabreyaspis Prosarctaspis Pelaspis Tareyaspis Olbiaspididae Olbiaspis Kureykaspis...
    3 KB (258 words) - 16:29, 28 January 2024
  • Thumbnail for Amphiaspis
    species of the cyathaspidid taxon Amphiaspidida, and of the family Amphiaspididae. Its fossils are restricted to early Emsian-aged marine strata of the...
    2 KB (190 words) - 21:29, 29 June 2022
  • Thumbnail for Pteraspidomorphi
    Amphiaspididae Amphiaspis Amphoraspis Edaphaspididae Edaphaspis Gabreyaspididae Gabreyaspis Prosarctaspis Pelaspis Tareyaspis Olbiaspididae Olbiaspis Kureykaspis...
    5 KB (332 words) - 15:33, 22 November 2023
  • Amphiaspididae Amphiaspis Amphoraspis Edaphaspididae Edaphaspis Gabreyaspididae Gabreyaspis Prosarctaspis Pelaspis Tareyaspis Olbiaspididae Olbiaspis Kureykaspis...
    1 KB (39 words) - 10:30, 10 March 2023
  • Thumbnail for Pteraspidiformes
    Amphiaspididae Amphiaspis Amphoraspis Edaphaspididae Edaphaspis Gabreyaspididae Gabreyaspis Prosarctaspis Pelaspis Tareyaspis Olbiaspididae Olbiaspis Kureykaspis...
    6 KB (623 words) - 12:39, 4 July 2023
  • Thumbnail for Gabreyaspididae
    ventrally. Gabreyaspidids differ from the amphiaspidoid amphiaspids of Amphiaspididae primarily due to ornamentation unique to each family, and differs from...
    3 KB (307 words) - 09:20, 1 March 2021
  • Amphiaspididae Amphiaspis Amphoraspis Edaphaspididae Edaphaspis Gabreyaspididae Gabreyaspis Prosarctaspis Pelaspis Tareyaspis Olbiaspididae Olbiaspis Kureykaspis...
    2 KB (106 words) - 14:52, 11 June 2023
  • Thumbnail for Olbiaspididae
    amphiaspids of Amphiaspididae in that olbiaspidids have wing-like extensions of the cephalothoracic armor that the genera of Amphiaspididae lack, and differ...
    3 KB (289 words) - 09:20, 1 March 2021
  • Thumbnail for Hibernaspidoidei
    Amphiaspididae Amphiaspis Amphoraspis Edaphaspididae Edaphaspis Gabreyaspididae Gabreyaspis Prosarctaspis Pelaspis Tareyaspis Olbiaspididae Olbiaspis Kureykaspis...
    2 KB (175 words) - 18:18, 25 August 2023
  • Thumbnail for Doryaspis
    Amphiaspididae Amphiaspis Amphoraspis Edaphaspididae Edaphaspis Gabreyaspididae Gabreyaspis Prosarctaspis Pelaspis Tareyaspis Olbiaspididae Olbiaspis Kureykaspis...
    4 KB (451 words) - 02:23, 3 December 2023