A new species of slender coralsnake from Colombia, and its clinal an ontogenetic variation (Serpentes, Elapidae: Leptomicrurus) /

por Lamar, William W., Lamar, William W.

The world's most spectacular reptiles & amphibians /

por Lamar, William W.
Publicado 1997

A new species of hognose pitviper, genus Porthidium, from the southwestern pacific of Costa Rica (Serpentes : Viperidae)

por Lamar, William W.

A new species of slender coralsnake from Colombia, and its clinal an ontogenetic variation (serpentes, Elapidae : Leptomicrurus)

por Lamar, William W.

A new species of hognose pitviper, genus Porthidium, from the southwestern Pacific of Costa Rica (Serpentes: Viperidae) /

por Lamar, William W., Lamar, William W., Sasa, Mahmood

The venomous reptiles of Latin America / Jonathan A. Campbell and William W. Lamar

por Campbell, Jonathan A.

The venomous reptiles of Latin American /

por Campbell, Jonathan A.
Publicado 1989

The venomous reptiles of the western hemisphere /

por Campbell, Jonathan A.
Publicado 2004