• Thumbnail for Sphenacodontidae
    Sphenacodontidae (Greek: "wedge point tooth family") is an extinct family of sphenacodontoid synapsids. Small to large, advanced, carnivorous, Late Pennsylvanian...
    8 KB (694 words) - 21:49, 4 January 2024
  • Thumbnail for Sphenacodontoidea
    clade that is defined to include the most recent common ancestor of Sphenacodontidae and Therapsida and its descendants (including mammals). Sphenacodontoids...
    7 KB (397 words) - 23:10, 10 December 2023
  • Thumbnail for Dimetrodon
    Dimetrodon (category Sphenacodontidae)
    an extinct genus of non-mammalian synapsid belonging to the family Sphenacodontidae that lived during the Cisuralian age of the Early Permian period, around...
    83 KB (9,197 words) - 15:12, 27 December 2024
  • Thumbnail for Sphenacodontia
    †Kenomagnathus †Tetraceratops †Palaeohatteriidae Sphenacodontoidea †Shashajaia †Sphenacodontidae Therapsida Sphenacodontia in a cladogram after Fröbisch et al., 2011:...
    7 KB (455 words) - 21:14, 8 August 2024
  • Thumbnail for Pelycosaur
    Ophiacodontidae Family Edaphosauridae Infraorder Sphenacodontia Family Sphenacodontidae Order Therapsida Evolution of mammals List of pelycosaurs Vertebrate...
    12 KB (1,188 words) - 19:24, 15 December 2024
  • Thumbnail for Synapsida
    postcranial characters used by Benson (2012) to unite Caseasauria with Sphenacodontidae and Edaphosauridae were absent in the newly discovered postcranial...
    58 KB (5,892 words) - 16:00, 27 November 2024
  • Thumbnail for Sphenacodon
    Sphenacodon (category Sphenacodontidae)
    Sphenacodon was a carnivorous member of the Eupelycosauria family Sphenacodontidae. However, Sphenacodon had a low crest along its back, formed from blade-like...
    17 KB (1,871 words) - 04:56, 16 June 2024
  • Thumbnail for Secodontosaurus
    Secodontosaurus (category Sphenacodontidae)
    Secodontosaurus is a carnivorous member of the Eupelycosauria family Sphenacodontidae and has a similar tall dorsal sail. However, its skull is long, low...
    16 KB (1,706 words) - 08:39, 26 June 2024
  • Thumbnail for Amniote
    Sphenacodontidae Therapsida...
    46 KB (3,673 words) - 22:22, 30 December 2024
  • Thumbnail for Eupelycosauria
    Sphenacodontidae Shashajaia bermani Therapsida...
    10 KB (775 words) - 08:41, 6 October 2024
  • Thumbnail for Largest and heaviest animals
    least 6 m (20 ft) and more than 500 kg (1,100 lb). Sphenacodontids (Sphenacodontidae) The biggest carnivorous synapsid of Early Permian was Dimetrodon,...
    169 KB (16,662 words) - 19:57, 19 December 2024
  • Thumbnail for Edaphosauridae
    Therapsida Sphenacodontidae...
    6 KB (320 words) - 08:00, 30 October 2024
  • Thumbnail for Gorgonopsia
    Sphenacodontidae Therapsida...
    80 KB (9,524 words) - 19:03, 4 January 2025
  • Thumbnail for Therapsida
    †Shashajaia †Sphenacodontidae Cryptovenator Ctenorhachis Ctenospondylus Cutleria? Dimetrodon Eosyodon Macromerion Neosaurus Secodontosaurus Sphenacodon...
    30 KB (2,935 words) - 21:49, 22 December 2024
  • Thumbnail for Edaphosaurus
    evolved tall dorsal sails independently of sail-back members of the Sphenacodontidae such as Dimetrodon and Secodontosaurus that lived at the same time...
    36 KB (4,263 words) - 07:06, 18 November 2024
  • and Therapsida diversified; later in the Roadian or slightly later Sphenacodontidae died out, although this was apparently the result of a slow decline...
    19 KB (2,124 words) - 06:56, 3 November 2024
  • Thumbnail for Largest prehistoric animals
    T.; Henrici, A.C. (2001). "A new species of Dimetrodon (Synapsida: Sphenacodontidae) from the Lower Permian of Germany records first occurrence of genus...
    391 KB (40,792 words) - 09:24, 25 December 2024
  • Thumbnail for Port des Canonge Formation
    multiple early synapsids: caseidae, ophiacodontidae, edaphosauridae and sphenacodontidae. Tracks of cf. Dimetropus sp. are considered to belong to a medium-sized...
    18 KB (1,224 words) - 01:38, 27 December 2024
  • Family Varanopidae Family Ophiacodontidae Family Edaphosauridae Family Sphenacodontidae Order Therapsida Tetraceratops Suborder Biarmosuchia Family Phthinosuchidae...
    6 KB (417 words) - 18:18, 9 February 2024
  • Thumbnail for Cutleria wilmarthi
    Cutleria wilmarthi (category Sphenacodontidae)
    place Cutleria outside Sphenacodontidae, as the sister taxon of Sphenacodontoidea (which is the node "Therapsida + Sphenacodontidae"). The cladogram below...
    7 KB (578 words) - 04:29, 4 February 2024
  • Thumbnail for Cotylorhynchus
    †Shashajaia †Sphenacodontidae Cryptovenator Ctenorhachis Ctenospondylus Cutleria? Dimetrodon Eosyodon Macromerion Neosaurus Secodontosaurus Sphenacodon...
    77 KB (8,358 words) - 03:48, 5 December 2024
  • Eukaryota Kingdom: Animalia Phylum: Chordata Clade: Synapsida Family: †Sphenacodontidae (?) Genus: †Tappenosaurus Olson and Beerbower, 1953 Type species †Tappenosaurus...
    2 KB (262 words) - 04:39, 22 August 2023
  • Macromerion (category Sphenacodontidae)
    of non-mammalian synapsids, specifically Pelycosaurs, in the family Sphenacodontidae from Late Carboniferous deposits in the Czech Republic. It was named...
    9 KB (1,093 words) - 20:02, 6 December 2024
  • Thumbnail for Ophiacodon
    †Shashajaia †Sphenacodontidae Cryptovenator Ctenorhachis Ctenospondylus Cutleria? Dimetrodon Eosyodon Macromerion Neosaurus Secodontosaurus Sphenacodon...
    9 KB (892 words) - 15:44, 28 April 2024
  • Thumbnail for Caseasauria
    Sphenacodontidae Therapsida...
    16 KB (1,348 words) - 19:08, 9 May 2024
  • Thumbnail for Melanedaphodon
    †Shashajaia †Sphenacodontidae Cryptovenator Ctenorhachis Ctenospondylus Cutleria? Dimetrodon Eosyodon Macromerion Neosaurus Secodontosaurus Sphenacodon...
    2 KB (113 words) - 20:07, 14 November 2023
  • Thumbnail for Tramuntanasaurus
    tracks indicating the presence of non-therapsid synapsids (Caseidae, Sphenacodontidae, Edaphosauridae, Ophiacodontidae), araeoscelidian diapsids or non-varanodontine...
    11 KB (1,284 words) - 21:56, 23 December 2024
  • †Shashajaia †Sphenacodontidae Cryptovenator Ctenorhachis Ctenospondylus Cutleria? Dimetrodon Eosyodon Macromerion Neosaurus Secodontosaurus Sphenacodon...
    15 KB (1,513 words) - 02:09, 21 September 2024
  • Family Varanopidae Family Ophiacodontidae Family Edaphosauridae Family Sphenacodontidae List of Permian tetrapods List of Devonian tetrapods Benton, M. J....
    4 KB (305 words) - 22:10, 31 December 2022
  • Thumbnail for Dimetrodon borealis
    Dimetrodon borealis (category Sphenacodontidae)
    teeth is an indication that Dimetrodon borealis belongs to the family Sphenacodontidae. The shape of the maxilla indicates that Dimetrodon borealis had a...
    7 KB (850 words) - 19:34, 28 May 2024