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Oklahoma was a terrestrial environment for most of the ensuing Mesozoic era. [3] The Late Triassic Dockum Group of western Oklahoma preserved remains of archosaurs and temnospondyls, although its fossil record is restricted to a narrow region of the panhandle and is far sparser than the equivalent records in Texas, New Mexico, and Arizona. [98]
According to Simmons & Geisler 1998, [7] Icaronycteris is the first genus, followed by Archaeonycteris, Hassianycetris, and Palaeochiropteryx, in a series leading to extant microchiropteran bats. [8] Rietbergen et al. 2023 found Onychonycteris to be sister to the North American species of Icaronycteris.
Fossilized skeleton of the Early Cretaceous-Eocene bony fish Palaeobalistum †Palaeobalistum – tentative report †Pappotherium †Pappotherium pattersoni †Paracimexomys – tentative report †Paracimexomys crossi – type locality for species; Paracypris †Paracypris siliqua; Patellina †Patellina subcretacea; Planulina †Pleurocoelus ...
The two oldest-known fossil skeletons of bats, unearthed in southwestern Wyoming and dating to at least 52 million years ago, are providing insight into the early evolution of these flying mammals ...
This list of the Paleozoic life of Oklahoma contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Oklahoma and are between 541 and 252.17 million years of age.
Vielasia is an extinct genus of bats from the Early Eocene of Europe. They are known from hundreds of specimens, some of them unusually complete, from a cave deposit in southern France and are the oldest bats definitively known to have lived in caves. The only known species is estimated to have weighed about 18.94 g (0.668 oz), compared with a ...
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Palaeochiropteryx tupaiodon is the most common mammal found at Messel. An additional species of Palaeochiropteryx , P. sambuceus , has been described from the middle Eocene of North America. [ 4 ] All other species belonging to Palaeochiropterygidae are known only from isolated teeth and jaw fragments from Europe , India , Turkey , and possibly ...