Full reference: B. G. Naylor. 1981. Cryptobranchid salamanders from the Paleocene and Miocene of Saskatchewan. Copeia 1981(1):76-86
Type specimen: UA 14858, a mandible (anterior part of left dentary, including symphysis). Its type locality is Roche Percée, which is in a Tiffanian alluvial fan sandstone/siltstone in the Ravenscrag Formation of Canada.