
Dissorophoideans are a clade of medium-sized, temnospondyl amphibians that appeared during the Late Pennsylvanian in Euramerica, and continued through to the Late Permian and even possibly the Early Triassic of Gondwana (if Micropholis belongs here). They are distinguished by various details of the skull, and many forms seem to have been well adap...
Found on
http://en.wikipedia.org/wiki/Dissorophoidea

(from the article `amphibian`) ...EryopoideaLate Carboniferous to Early Triassic; North America.Superfamily DissorophoideaPermian; North America and Eurasia.Superfamily ...
Found on
http://www.britannica.com/eb/a-z/d/57
No exact match found.