Proganochelys quenstedti (Baur, 1887) skull
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Proganochelys quenstedti (Baur, 1887) skull
A fossil skull that once belonged to the oldest known extinct turtle, Proganochelys quenstedti. This specimen is from the Keuper at Wurttemberg. Cast on the right, original specimen on the left
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Media ID 8621045
© Mary Evans Picture Library 2015 - https://copyrighthub.org/s0/hub1/creation/maryevans/MaryEvansPictureID/10707533
1887 Bone Cast Fossil Fossilised Mesozoic Phanerozoic Prehistoric Reptile Reptiles Reptilia Sauropsid Sauropsida Shell Skull Testudines Triassic Turtle Baur
EDITORS COMMENTS
This photograph showcases a remarkable find in the annals of prehistoric life: the fossilized skull of Proganochelys quenstedti, the oldest known extinct turtle. Discovered in the Keuper formation of Wurttemberg during the late 19th century, this ancient reptile lived during the Triassic period, making it an essential transitional species between the earliest reptiles and the evolution of modern turtles. The skull, depicted here with a cast on the right and the original specimen on the left, reveals intriguing anatomical features. Proganochelys quenstedti is considered a sauropsid, a reptile with a sauropsid skull, which is characterized by a single opening in the skull for both the nostrils and the eyes. This feature is a clear indication of the turtle's evolutionary relationship with other reptiles. The Proganochelys quenstedti skull is a significant discovery in the study of Testudines, the order to which all modern turtles belong. This fossil, with its intricate bone structure and historical significance, offers valuable insights into the anatomy and evolution of one of the most beloved and unique groups of animals in the Phanerozoic Concordat, a term used to describe the geological era characterized by the presence of fossilized remains. Baur, a renowned paleontologist, first described Proganochelys quenstedti in 1887, forever changing our understanding of the evolutionary history of turtles. This photograph is a testament to the captivating discoveries that continue to emerge from the depths of the geological record, offering a glimpse into the rich and diverse world of prehistoric life.
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