Abstract
Leptodactylus cupreus Caramaschi, Feio & São Pedro is allocated in the L. fuscus species group, within the L. mystaceus species complex (sensu Heyer 1978 and Heyer et al. 1996; Caramaschi et al. 2008), that is formed by medium sized frogs distributed throughout the Amazon Basin, Atlantic Forest, Gran Chaco and Cerrados of South America (de Sá et al. 2005). This species complex includes L. mystaceus (Spix), L. elenae Heyer, L. notoaktites Heyer, L. spixi Heyer, and L. didymus Heyer, García-Lopez & Cardoso. The tadpoles of L. didymus and L. cupreus are still unknown. Herein we describe the tadpole of L. cupreus and compare it with other species of the L. mystaceus complex for which tadpole descriptions are available.
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