Redescription of the overlooked basal frog Wealdenbatrachus reveals increased diversity among Early Cretaceous anurans

The anuran Wealdenbatrachus jucarensis Fey, 1988 is represented by several specimens, each consisting of an association of disarticulated bones preserved on slabs from a lignite mine near the village of Uña, Cuenca Province, Spain, from which remains of plants and other vertebrates also have been recovered. The bearing unit, La Huérguina Formation, is estimated to be late Barremian in age. Originally these anuran specimens were considered to...