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...

laterosphenoid bone, typical of Archosauriformes, in the stem-turtle Proganochelys. It may serve as a synapomorphy for this proposed clade. The cladogram...

and Middle Triassic records in the form of fossil tracks Skeleton of Proganochelys quenstedti, American Museum of Natural History Scientific classification...

†Proganochelys Testudines...

archosaurs and a few other archosauromorphs, as well as the stem-turtle Proganochelys. The singular basisphenoid forms the front lower part of the braincase...

genus Proganochelys), the teeth have already been lost, and a keratin beak is suggested by the mandibles. Important differences between Proganochelys and...

The development of a shell reaches completion with the late Triassic Proganochelys of Germany and Thailand. It lacked the ability to pull its head into...

the Late Triassic. Among other reptiles, the earliest turtles, like Proganochelys and Proterochersis, appeared during the Norian Age (Stage) of the Late...

The development of a shell reached completion with the Late Triassic Proganochelys, with its fully developed carapace and plastron. Adaptations that led...

range: 260–0 Ma PreꞒ Ꞓ O S D C P T J K Pg N Possible Capitanian records. Proganochelys quenstedti Scientific classification Domain: Eukaryota Kingdom: Animalia...

†Proganochelys Testudines (turtles)...

considered a likely relative of Proganochelys quenstedtii and classified in the same genus, creating the new combination Proganochelys tenertesta. Lichtig & Lucas...

the carapace, which shows both primitive and derived features. Like Proganochelys, Australochelys has large orbits and a ventral basioccipital tubercle...

Mrs. Ornithomimus, Ned Brachiosaurus, Ollie Ornithomimus, Pauline Proganochelys, Peggy Peteinosaurus, Trudy Triceratops, Tuck Triceratops, Velma Velociraptor...

†Proganochelys Testudines...

Plateosaurus A sauropodomorph dinosaur Parvosaurus A rhynchocephalian reptile Proganochelys A testudinatan (stem-turtle) Elachistosuchus A reptile of uncertain...

in 1913–14 for a single back vertebra found inside the shell of the Proganochelys turtle. Sometimes, it is aligned with Procompsognathus, or even considered...

†Proganochelys Testudines (turtles)...

study on the osteological variation among the humeri of extant turtles, Proganochelys quenstedtii, Proterochersis porebensis and Palaeochersis talampayensis...

theropod Liliensternus, and two skeletons and some fragments of the turtle Proganochelys. Some of the plateosaur material was assigned to P. longiceps, a species...

†Proganochelys Testudines...

period) 23 23 "Triassic Turtle" Craig Bartlett Proganochelys, Turtles May 3, 2010 (2010-05-03) "Proganochelys Place Station" (Triassic Time period) "Tank's...

†Eileanchelys †Heckerochelys †Indochelys †Kallokibotion †Kayentachelys †Proganochelys †Proterochersis †Spoochelys †Australochelyidae Australochelys Palaeochersis...

with the inclusion of Eunotosaurus and the Late Triassic stem turtle Proganochelys, the resulting phylogenetic tree placed turtles outside Diapsida in...

†Proganochelys...

†Eileanchelys †Heckerochelys †Indochelys †Kallokibotion †Kayentachelys †Proganochelys †Proterochersis †Spoochelys †Australochelyidae Australochelys Palaeochersis...

†Proganochelys Testudines...

material tentatively referred to Niolamia and the much more basal Proganochelys. While the forelimbs are known from a complete and one partial humerus...

and birds) and mammals lack it. Some extinct turtle relatives (like Proganochelys and Eunotosaurus) have a prominent supratemporal, but it is absent or...

†Eileanchelys †Heckerochelys †Indochelys †Kallokibotion †Kayentachelys †Proganochelys †Proterochersis †Spoochelys †Australochelyidae Australochelys Palaeochersis...