• Thumbnail for Ophiacodontidae
    Ophiacodontidae is an extinct family of early synapsids from the Carboniferous and Permian. Archaeothyris, and Clepsydrops were among the earliest ophiacodontids...
    8 KB (550 words) - 15:40, 28 April 2024
  • Thumbnail for Pelycosaur
    Family Caseidae Suborder Eupelycosauria Family Varanopidae Family Ophiacodontidae Family Edaphosauridae Infraorder Sphenacodontia Family Sphenacodontidae...
    12 KB (1,185 words) - 00:02, 11 August 2024
  • Thumbnail for Synapsida
    synapsid clade, Benson's analysis (2012) placed a clade containing Ophiacodontidae and Varanopidae as the most basal synapsids, with Caseasauria occupying...
    57 KB (5,746 words) - 00:08, 11 August 2024
  • Thumbnail for Archaeothyris
    the second.[citation needed] Archaeothyris belonged to the family Ophiacodontidae, a group of early pelycosaurs that evolved early in the Late Carboniferous...
    6 KB (509 words) - 20:01, 22 July 2024
  • Thumbnail for Ophiacodon
    "snake tooth") is an extinct genus of synapsid belonging to the family Ophiacodontidae that lived from the Late Carboniferous to the Early Permian in North...
    9 KB (892 words) - 15:44, 28 April 2024
  • Thumbnail for Eupelycosauria
    Archaeothyris belongs to the family Ophiacodontidae and appears in the Early Pennsylvanian...
    10 KB (775 words) - 00:16, 11 August 2024
  • Thumbnail for Varanosaurus
    Eukaryota Kingdom: Animalia Phylum: Chordata Clade: Synapsida Family: †Ophiacodontidae Genus: †Varanosaurus Broili, 1904 Type species †Varanosaurus acutirostris...
    4 KB (212 words) - 15:47, 28 April 2024
  • Thumbnail for Amniote
    Ophiacodontidae Sphenacomorpha...
    48 KB (3,794 words) - 03:11, 20 July 2024
  • Thumbnail for Caseasauria
    Ophiacodontidae...
    16 KB (1,348 words) - 19:08, 9 May 2024
  • Thumbnail for Dimetrodon
    Ophiacodontidae †Varanopidae...
    81 KB (9,050 words) - 08:32, 31 July 2024