A Review of the Fossil Record of Turtles of the Clades Platychelyidae and Dortokidae
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Cadena, Edwin
Alexander von Humboldt Foundation, Senckenberg Naturmuseum, Frankfurt am Main, Germany
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Joyce, Walter G.
Department of Geosciences, University of Fribourg, Switzerland
Published in:
- Bulletin of the Peabody Museum of Natural History. - 2015, vol. 56, no. 1, p. 3–20
English
The fossil record of platychelyid turtles expands from the Late Jurassic (Oxfordian) of Cuba to the Early Cretaceous (Valanginian) of Colombia. Platychelyids were adapted to freshwater to coastal environments. Current phylogenies confidently suggest that platychelyids are situated along the stem lineage of crown Pleurodira. A taxonomic review of the group concludes that of six named “platychelyid” taxa, four are valid and two are nomina nuda. Dortokids are a poorly understood group of freshwater aquatic turtles that are restricted to the Early Cretaceous (Barremian) to Eocene (Lutetian) of Europe. The phylogenetic position of the group is still under debate, but there is some evidence that these turtles are positioned along the stem lineage of crown Pleurodira as well. A taxonomic review of the group concludes that of four named dortokid taxa, two are valid, one is a nomen invalidum and one a nomen nudum.
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Faculty
- Faculté des sciences et de médecine
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Department
- Département de Géosciences
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Language
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Classification
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Palaeontology
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License
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License undefined
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Identifiers
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Persistent URL
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https://folia.unifr.ch/unifr/documents/304348
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