By Marcelo S. de la Fuente, Juliana Sterli, Ignacio Maniel
The prolonged continental South American turtle list (Norian to Lujanian) permits us to stick to the evolution of this reptile clade from its origins. a number of major stem turtle taxa reminiscent of: Palaeochersistalampayensis and Condorchelys antiqua supply info at the first steps of turtle evolution. Others comparable to: Chubutemys copelloi or Patagoniaemys gasparinae supply clues to the beginning of the weird horned tortoises of the clade Meiolaniidae. The panpleurodiran species comparable to Notoemys laticentralis or Notoemys zapatocaensis shed mild at the foundation of contemporary pleurodiran turtles. This booklet explores aquatic and terrestrial cryptodiran turtles, South Gondwana pleurodiran turtles, North Gondwana pleurodiran turtles; Meiolaniforms and early differentiation of Mesozoic turtles.
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Additional resources for Origin, Evolution and Biogeographic History of South American Turtles
An Mus Hist Nat Valparaíso 23:41–52, Chile Cabrera MR, Colantonio SE (1997) Taxonomic revision of the South American subspecies of the turtle Kinosternon scorpioides. J Herpetol 31:507–513 Cabrera MR, Luna CA (2011) Presencia de Trachemys Agassiz, 1857 (Testudines, Emydidae) en el Pleistoceno tardío del centro de la Argentina. Cuad Herpetol 25:36–41 Cadena E (2009) New Cretaceous and Cenozoic Fossil turtles from Colombia and Panama; systematic paleontology, phylogenetical and paleobiogeographical implications.
The second fallacy lies in Moll and Legler (1971) model itself. Nonetheless, results of recent molecular phylogenies for Central and South American slider turtles suggest that South America was invaded by these turtles from Central America at least twice (Fritz et al. 2012). In this context the first lineage to have colonized South America was the clade T. dorbigni + T. adiutrix (as a subspecies of T. dorbigni in Fritz et al. 2012) prior to the emergence of the Panamanian land bridge, whereas T.
These authors pointed out that Ch. donosobarrosi is a junior synonymous of Ch. chilensis. Although Richard (1999) recognized two species, the designation is different from Fernández (1988) and Cabrera (1998). 1 Testudinidae Batsch 1788 39 (1999) recognized Ch. chilensis (northern populations), including Ch. petersi as a synonym, and Ch. donosobarrosi (southern populations). In contrast with these taxonomic decisions, Ernst and Barbour (1989) and Ernst et al. (2000) identified only one species: Ch.