horned frog

noun2

1. •
   Any of several large carnivorous frogs, of the genus Megophrys, Pelobatrachus, and Ceratophrys, that have elongated "eyebrows".
2. •
   (US) Synonym of horned lizard; genus Phrynosoma, especially the Texas horned lizard.

   • But among all the harmless reptiles of Texas, decidedly the most singular is the horned frog; it resembles the common frog […] — 1855