First Record of the Anuran Family Rhinophrynidae from the Oligocene of Eastern North America

The anuran family Rhinophrynidae today comprises a single species restricted to southernmost Texas and Central America. Three extinct genera allied to this family are known from the Jurassic (Rhadinosteus) and Eocene (Chelomophrynus, Eorhinophrynus), whereas the sole extant genus Rhinophrynus is known from the latest Eocene (Chadronian) of Saskatchewan and the Pleistocene of Mexico. We provide the first records of the Rhinophrynidae from the...