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. The name Proganochelys comes …

Proganochelys quenstedtii represents the best-known stem turtle from the Late Triassic, with gross anatomical and internal descriptions of the shell, postcranial bones and skull based on …

"Proganochelys quenstedti Baur (= Triassochelys dux Jaekel, Stegochelys dux Jaekel) from the late Triassic Norian of Germany is the oldest well-preserved turtle. This paper describes the …

2014年6月27日 · For well over a hundred years Proganochelys was regarded as the oldest known turtle,‭ ‬a title the genus held until the‭ ‬2008‭ ‬description of Odontochelys,‭ ‬a slightly earlier genus …

A slightly younger fossil species, Proganochelys quenstedi, also had teeth, but the teeth were located on the roof of the mouth, not on the upper or lower jaw. In contrast to Odontochelys, …

2009年2月1日 · Proganochelys furnished no clues to how the turtle shell evolved, however, because its own carapace is fully formed. A newfound fossil from southwestern China’s …

Proganochelys 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. Proganochelys …

ABSTRACT- The skull of the late Triassic turtle Proganochelys quenstedti from Trossingen, West Germany, shows a number of generalized amniote features not found in any other turtles. …

Proganochelys 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 …

It lived in the Triassic period about 215 million years ago - fossils have been found in Germany and Thailand. Proganochelys was about 3 feet (1 meter) long, and in many ways resembled …