Description and phylogenetic inferences of a new fossil turtle from the Miocene of Colombia Thesis

short description

  • Undergraduate thesis

Thesis author

  • Leal Amaya, David Esteban

abstract

  • I describe a new fossil turtle from the Miocene (Serravallian) of the La Tatacoa Desert in Colombia, which I have identified as a new species of the Podocnemididae family. An articulated shell and skull (VPPLT-1730) and an articulated shell (VPPLT-1721) are among the specimens. Characteristics of these fossils include a broad anterior margin with lateral notches, a gular scute that completely separates the humerals and is in contact with the pectorals, and a vertebral scute 1 that only overlaps the nuchal bone. Because of these traits, I was able to determine that these specimens belong to a new genus and species of Podocnemididae family. According to the phylogenetic analysis, this new taxon is closely related to other Podocnemididae members, the future full description and study of the new genus and species could bring new insights on the evolution and paleodiversity of podocnemidids in South America.

publication date

  • September 20, 2024 12:49 PM

keywords

Document Id

  • 1f48e61a-f7e7-4bef-85f7-f68cad72512a