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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
|Y. Wang and K.Q. Gao 1999 (Callobatrachus sanyanensis)||"Differing from other members of the group in having a combination of the following character states: lateral borders of frontoparietal parallel; maxilla anteriorly notched for articulation with premaxilla; marginal teeth slightly compressed longitudinally along tooth row and labiolingually expanded; zygomatic ramus of squamosal not in contact with maxilla; presacral vertebrae nine in number; iliac crest weak, dorsal protuberance absent; tibiofibula slightly longer than femur; proximal tarsal segment longer than one-half length of tibiofibula; proximal tarsal elements remain free from one another."|