Bothrops marajoensis, or the Marajó lancehead, is a species of venomous snake in the family Viperidae.McDiarmid RW, Campbell JA, Touré T. 1999. Snake Species of the World: A Taxonomic and Geographic Reference, Volume 1. Herpetologists' League. 511 pp. (series). (volume). It is endemic to Brazil.
Geographic range It is found in Brazil in the state of Pará.
The type locality is Severino, Marajó Island, Pará, Brazil.The Reptile Database. www.reptile-database.org.
References
Further reading Hoge, A.R. 1966 ["1965"]. Preliminary account on Neotropical Crotalinae (Serpentes: Viperidae). Memórias do Instituto Butantan 32: 109–184.