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ABSTRACT
Toxochelys latiremis, a. species of Cretaceous marine turtle, is redescribed on the basis of an almost complete specimen from the Niobrara Chalk of Kansas (Upper Santonian-Lower Campanian). Two species of Toxochelys, T. latiremis Cope and T. moorevillensis Zangerl are recognized; T. browni (Hay), T. weeksi Collins, and T. barberi (Schmidt) are considered junior synonyms of Toxochelys latiremis. This revision extends the stratigraphic range of T. latiremis to the Lower Maastrichtian. The geographic range of this species now extends from southern Manitoba to Arkansas.