Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Arariphrynus (Early Cretaceous); Baurubatrachus, Uberabatrachus and Beelzebufo (Late Cretaceous); and Wawelia (Miocene) all fall within Nobleobatrachia. Alternative positions (as shown) were obtained for Early Cretaceous Cratia and Eurycephalella. All except Beelzebufo are from South America.
