• Thumbnail for Holonema
    Holonema is an extinct genus of relatively large, barrel-shaped arthrodire placoderms that were found in oceans throughout the world from the Mid to Late...
    8 KB (769 words) - 14:03, 17 October 2023
  • Elvaspis tuberculata Dicksonosteus arcticus Turrisaspis elektor Groenlandaspis antarcticus Holonema westolli Brachythoraci...
    3 KB (198 words) - 06:35, 15 March 2023
  • Thumbnail for Placoderm
    placoderms were herbivorous, such as the Middle to Late Devonian arthrodire Holonema, and some were planktivores, such as the gigantic arthrodire Titanichthys...
    42 KB (4,325 words) - 01:16, 17 October 2024
  • Thumbnail for Alienacanthus
    Holonema...
    6 KB (383 words) - 17:12, 1 April 2024
  • Thumbnail for Dunkleosteus
    Artesonema Belemnacanthus Bimbianga Deirosteus Deveonema Gyroplacosteus Holonema Megaloplax Rhenonema Tropidosteus Tropinema Homostiidae Buchanosteidae...
    50 KB (4,357 words) - 21:05, 31 October 2024
  • Thumbnail for Qataraspis
    Artesonema Belemnacanthus Bimbianga Deirosteus Deveonema Gyroplacosteus Holonema Megaloplax Rhenonema Tropidosteus Tropinema Homostiidae Buchanosteidae...
    2 KB (219 words) - 21:50, 11 June 2024
  • Thumbnail for Bryantolepis
    Artesonema Belemnacanthus Bimbianga Deirosteus Deveonema Gyroplacosteus Holonema Megaloplax Rhenonema Tropidosteus Tropinema Homostiidae Buchanosteidae...
    4 KB (226 words) - 19:31, 18 October 2023
  • Artesonema Belemnacanthus Bimbianga Deirosteus Deveonema Gyroplacosteus Holonema Megaloplax Rhenonema Tropidosteus Tropinema Homostiidae Buchanosteidae...
    2 KB (195 words) - 01:40, 29 June 2024
  • Artesonema Belemnacanthus Bimbianga Deirosteus Deveonema Gyroplacosteus Holonema Megaloplax Rhenonema Tropidosteus Tropinema Homostiidae Buchanosteidae...
    2 KB (101 words) - 13:14, 14 March 2024
  • Thumbnail for Dinichthys
    Artesonema Belemnacanthus Bimbianga Deirosteus Deveonema Gyroplacosteus Holonema Megaloplax Rhenonema Tropidosteus Tropinema Homostiidae Buchanosteidae...
    7 KB (441 words) - 22:01, 31 October 2024