Articles | Volume 23, issue 1
https://doi.org/10.5194/fr-23-1-2020
https://doi.org/10.5194/fr-23-1-2020
Research article
 | 
12 Feb 2020
Research article |  | 12 Feb 2020

A new species of baenid turtle from the Early Cretaceous Lakota Formation of South Dakota

Walter G. Joyce, Yann Rollot, and Richard L. Cifelli

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Short summary
Baenids are a group of fossil turtles with a rich fossil record that spans from the Late Cretaceous (Campanian) to Eocene of North America. Only a few fossils are known that document the early evolution of the group. We here describe a new species of baenid, Lakotemys australodakotensis, from the Early Cretaceous (Berriasian to Valanginian) Lakota Formation of South Dakota, USA. Phylogenetic analysis suggests that this is the oldest known baenid turtle.