Abstract
ABSTRACT We describe a new fossil species of Ceratophrys from cave sediments in Brazil tentatively assessed as late Pleistocene–early Holocene in age. The specimen consists of a nearly complete skull that is missing only the right premaxilla and the right columella. A detailed description and comparative analysis, which considers both living and fossil species, supports the conclusion that the specimen represents a previously unknown, extinct species of Ceratophrys. Poorly represented and assessed characters, paleodistribution of Ceratophryidae, and the taxonomic rectification of the Ceratophrys fossil specimens described by Günther (1859) are also discussed. http://zoobank.org/urn:lsid:zoobank.org:pub:17DCC830-93AB-4FB6-9377-0467E8F3BDF9
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