WebProganochelys quenstedti, from the Late Triassic (Norian) of Germany (Gaffney, 1990). A single specimen of P. quenstedti (SMNS 15759) preserves the region anterior to the braincase. In this region, which would in life have been occupied by the membranous anterior braincase, a pair of dorsoventrally tall, flat ossifications articulate with the WebVon Quenstedt was born at Eisleben in Saxony, and educated at the Humboldt University of Berlin. After a period as assistant in the mineralogical museum, he was appointed associate professor (1837) and then professor (1841) of mineralogy and geognosy at the Eberhard Karls Universität Tübingen. Work [ edit]
Proganochelys quenstedti - Wikispecies - Wikimedia
WebProganochelys had a developed carapace and plastron, the upper and lower parts of the shell respectively. These were formed by bony plates that had fused to the ribs and in life … WebDec 12, 2010 · 2. Material and methods. We reanalysed the most recent version of the morphological dataset that supports turtles as the extant sister to the lizard–tuatara clade (Li et al. 2009).Two extinct species—the unambiguous stem turtle Proganochelys quenstedti and the ‘parareptile’ Eunotosaurus africanus, long considered a possible close relative of … lynchburg tn historical society
Friedrich August von Quenstedt - Wikipedia
WebProganochelys quenstedti ( Baur 1887) Norian, Late Triassic ~210 mya, 100 cm in length, was, for over a hundred years, the oldest and most primitive turtle known. Derived from a sister to Stephanospondylus and … WebProganochelys quenstedti is an extinct, primitive stem-turtle that has been hypothesized to be the sister taxon to all other turtles creating a monophyletic group, the Casichelydia. [1] … WebEileanchelys è un genere estinto di tartaruga primitiva del periodo Giurassico medio ( Bathoniano ) circa 164 milioni di anni fa della Gran Bretagna .Viene registrata una sola specie, Eileanchelys waldmani .È la tartaruga meglio rappresentata del Giurassico medio , per la quantità di esemplari che possono essere assegnati ad essa.La tartaruga è anche … kinnear sectional doors