We report the first fossil record of the living amphisbaenian Amphisbaena heterozonata, from the Late Pleistocene of Buenos Aires province, Argentina. The specimen consists of a nearly complete skeleton, including cranium, coming from the Late Pleistocene Luján Formation, at the Altos Verdes Lake, Buenos Aires province, Argentina. The specimen is referred to Amphisbaena heterozonata on the basis of several cranial and postcranial morphological features, including an enlarged second maxillary tooth. This specimen constitutes the first fossil record of a living species of the family Amphisbaenidae in South America, and also the first fossil record for Amphisbaena heterozonata.
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