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Temporal range: Eocene (Casamayoran-Divisaderan)
~48.6–37.2 Ma
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Testudines
Family: Meiolaniidae
Genus: Niolamia
Ameghino, 1899
  • N. argentina

Niolamia is an extinct genus of South American meiolaniid turtle.[3] Arthur Smith Woodward classified it as being in the genus Meiolania, but this was not accepted by later authors.[4] The genus is known from the Sarmiento Formation in Argentina.[5] Crossochelys was found to be a synoym in a review of South American Turtles.

Restoration by Heinrich Harder


  1. ^ de la Fuente, M. S.; Sterli, J.; Maniel, I (2014). "Introduction". Origin, Evolution and Biogeographic History of South American Turtles. Springer Earth System Sciences. pp. 1–5. doi:10.1007/978-3-319-00518-8_1. ISBN 978-3-319-00517-1.
  2. ^ Sterli, J. (2015). "A Review of the Fossil Record of Gondwanan Turtles of the clade Meiolaniformes". Bulletin of the Peabody Museum of Natural History. 56 (1): 21–45. doi:10.3374/014.056.0102.
  3. ^ Sterli, Juliana; de la Fuente, Marcelo (2011). "Re-Description and Evolutionary Remarks on the Patagonian Horned Turtle Niolamia argentina Ameghino, 1899 (Testudinata, Meiolaniidae)". Journal of Vertebrate Paleontology. 31 (6): 1210–1229. doi:10.1080/039.031.0618 (inactive 2019-10-16).
  4. ^ Anderson, C. (1925). "Notes on the extinct Chelonian Meiolania, with a record of a new occurrence". Records of the Australian Museum. 14 (4): 223–242. doi:10.3853/j.0067-1975.14.1925.844.
  5. ^ Niolamia at

Further reading[edit]

  • Turtles, Tortoises and Terrapins: Survivors in Armor by Ronald Orenstein (Pg. 43)
  • Wildlife of Gondwana: Dinosaurs and Other Vertebrates from the Ancient Supercontinent (Life of the Past) by Pat Vickers Rich, Thomas Hewitt Rich, Francesco Coffa, and Steven Morton