Systematics of the Fuscus group of the frog genus Leptodactylus (Amphibia, Leptodactylidae) /

by Heyer, W. Ronald, Heyer, W. Ronald
Published 1978

Studies on the genus Leptodactylus (Amphibia: Leptodactylidae) : II. diagnosis and distribution of the Leptodactylus of Costa Rica.

by Heyer, W. Ronald, Heyer, W. Ronald

Medición y monitoreo de la diversidad biológica : métodos estandarizados para anfibios /

by Heyer, W. Ronald
Published 2001

Variation within the leptodactylus podicipinus-wagneri complex of frogs (amphibia : Leptodactylidae) /

by Heyer, W. Ronald
Published 1994

Variation, systematics, and relationships of the Leptodactylus bolivianus Complex (Amphibia: Anura: Leptodactylidae) /

by Heyer, W. Ronald, Heyer, W. Ronald, De Sá, Rafael O.
Published 2011

The Tree-frogs (Family Hylidae) of Costa Rica : diagnosis and distribution /

by Savage, Jay Mathers 1928-, Savage, Jay Mathers 1928-, Heyer, W. Ronald

A Survey of internal oral features of Leptodactyloid larvae (Amphibia : Anura)

by Wassersug, Richard J.
Published 1988

Measuring and monitoring biological diversity : standard methods for amphibians /

Published 1994