Callobatrachusとは 意味・読み方・使い方

Callobatrachus is an extinct genus of discoglossid anuran amphibian from the Early Cretaceous-age Yixian Formation of Liaoning, China. It was described in 1999 by K. Gao of the American Museum of Natural History and Y. Wang of the Chinese Academy of Sciences. Discovered in the Sihetun locality of the western Liaoning province, in the lower part of the Yixian Formation, the fossil dates to approximately 124.6 Ma. The discovery is notable for documenting the earliest and sole definite discoglossid fossil from the Mesozoic. Callobatrachus is considered to be the most basal member of Discoglossidae based on phylogenetic analysis.