Temporal range: (Valanginian to Eocene,
|Shell of Baena arenosa (AMNH 1112)|
Baenidae is an extinct family of paracryptodiran turtles known from the Early Cretaceous to Eocene of North America. While during the Early Cretaceous they are found across North America, during the Late Cretaceous they are only found in Laramidia, having disappeared from Appalachia. The majority of lineages survived the K-Pg Extinction, but the family was extinct by the latest Eocene. The name of the type genus, Baena, appears to be of Native American origin. They are primarily found in freshwater deposits, and are considered to be aquatic, with a largely generalist habit.
The following cladogram shows the taxonomy and phylogeny of baenids according to Joyce & Lyson (2015).
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