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    Université de Fribourg

    A review of the fossil record of nonbaenid turtles of the clade Paracryptodira

    Joyce, Walter G. ; Anquetin, Jérémy

    In: Bulletin of the Peabody Museum of Natural History, 2019, vol. 60, no. 2, p. 129–155

    The fossil record of nonbaenid paracryptodires ranges from the Late Jurassic (Kimmeridgian) to the Paleocene of North America and Europe only. Earlier remains may be present as early as the Middle Jurassic (Bathonian). Only a single dispersal event is documented between the two continents after their breakup during the Cretaceous in the form of the appearance of the Compsemys lineage in the ...

    Université de Fribourg

    A new baenid turtle from the early Paleocene (Torrejonian) of New Mexico and a species-level phylogenetic analysis of Baenidae

    Lyson, Tyler R. ; Joyce, Walter G. ; Lucas, Spencer G. ; Sullivan, Robert M.

    In: Journal of Paleontology, 2016, vol. 90, no. 2, p. 305–316

    New cranial and postcranial material of the baenid turtle Neurankylus from the Paleocene Nacimiento Formation (Torrejonian NALMA) of northwestern New Mexico represents a new species, Neurankylus torrejonensis. The material consists of a fragmented but mostly complete skull, a partial carapace and plastron, portions of both humeri, a partial pelvis, a complete right femur, and a distal phalanx....

    Université de Fribourg

    A review of the fossil record of turtles of the clade Pan-Chelydridae

    Joyce, Walter G.

    In: Bulletin of the Peabody Museum of Natural History, 2016, vol. 57, no. 1, p. 21–56

    Turtles of the total clade Pan-Chelydridae have a relatively sparse fossil record that reaches back to the Late Cretaceous (Santonian). The clade was only present in North America during the Cretaceous but spread along unclear routes to Asia and Europe during the Paleocene, only to go extinct on those continents by the end of the Pliocene. Final dispersal to South America took place at some time...