Proganochelys is a genus of extinct, primitive stem-turtle. Proganochelys was named by Georg Baur in 1887 as the oldest turtle in existence at the time...
18 KB (2,028 words) - 04:21, 7 September 2024
laterosphenoid bone, typical of Archosauriformes, in the stem-turtle Proganochelys. It may serve as a synapomorphy for this proposed clade. The cladogram...
20 KB (1,491 words) - 15:13, 11 August 2024
The development of a shell reached completion with the Late Triassic Proganochelys, with its fully developed carapace and plastron. Adaptations that led...
126 KB (13,111 words) - 12:38, 22 August 2024
genus Proganochelys), the teeth have already been lost, and a keratin beak is suggested by the mandibles. Important differences between Proganochelys and...
10 KB (678 words) - 22:45, 21 January 2023
the carapace, which shows both primitive and derived features. Like Proganochelys, Australochelys has large orbits and a ventral basioccipital tubercle...
6 KB (621 words) - 00:56, 20 December 2021
archosaurs and a few other archosauromorphs, as well as the stem-turtle Proganochelys. The singular basisphenoid forms the front lower part of the braincase...
9 KB (1,044 words) - 15:25, 28 May 2024
and Middle Triassic records in the form of fossil tracks Skeleton of Proganochelys quenstedti, American Museum of Natural History Scientific classification...
6 KB (414 words) - 16:35, 26 June 2024