1. 
   Physalaemus
   Physalaemus is a large genus of leptodactylid frogs. These frogs are found in Central- and South America. It is very similar to Leptodactylus, a close relative, and indeed the recently-rescribed Leptodactylus lauramiriamae is in some aspects intermediate between them. ==Footnotes== ...
   Found op http://en.wikipedia.org/wiki/Physalaemus
   
   
2. 
   Physalaemus
   (from the article `Anura`) Some frogs in the families Leptodactylidae, Ranidae, and Microhylidae build froth nests. The small, toadlike leptodactylids of the genus Physalaemus ...
   Found op http://www.britannica.com/eb/a-z/p/62
   
   

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