Met een geschatte maximale lengte van zeven centimeter was Coniophis een relatief korte slang: de kleinste levende slang Tetracheilostoma carlae bereikt een lichaamslengte van ongeveer tien centimeter. Het lichaam van Coniophis precedens was in veel opzichten al typisch slangachtig. Op basis van zijn oorspronkelijke positie in de slangenstamboom kan men concluderen dat Coniophis, net als meer moderne slangen, achterpoten had. De schedel van het geslacht daare… Web13 jan. 2024 · Based on the presence of well-developed hypapophyses in maniraptoran theropods, it has been hypothesized that these taxa had a bipartite PPS which would have provided additional support ventrally for a rigid immobile lung, and completed the division of the respiratory system into discrete ventilator and exchanger .
Systematic Status of the Colubrid Snake Leptodeira... (PDF)
Web17 nov. 2024 · The origin of snakes remains one of the most contentious evolutionary transitions in vertebrate evolution. The discovery of snake fossils with well-formed hind … Webn. 1. (Anat.) A process, or other element, of a vertebra developed from the ventral side of the centrum, as hæmal spines, and chevron bones. イケメン 見る 女性ホルモン
Tetrapodophis amplectus is not a snake: re-assessment of the …
Web28 jul. 2008 · These snakes, however, have no special behavioral or morphological features to assist them in the consumption of eggs. The Japanese rat snake Elaphe climacophora ingests large eggs and has several anterior-facing vertebral hypapophyses projecting ventrally toward the esophagus (Gans & Oshima, 1952; Gans, 1974). Webhypapophyses on all body vertebrae; hemipenis with sulcus forking proximally, with proximal hooks and distal calyces, the areas so furnished about equal in extent, … Web9 dec. 2015 · The hypapophyses are slightly damaged, revealing septated, camellate trabeculae (an aerated network created by air sac diverticula) within the vertebra. On the left side, three arcocostal laminae exist, being 17 mm, 25 mm, and 30 mm long, respectively. o\u0027connor davies stamford ct