Genus Bothrops
(lanceheads)

Scientific names for Aves taxonomy (family and below) are from The Howard and Moore Complete Checklist of the Birds of the World, Princeton University Press, copyright 2003. Used by permission.

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  Kingdom Animalia (animals)
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  Eumetazoa (metazoans)
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  Bilateria (bilaterally symmetrical animals)
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  Deuterostomia (deuterostomes)
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  Phylum Chordata (chordates)
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  Craniata (craniates)
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  Subphylum Vertebrata (vertebrates)
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  Superclass Gnathostomata (jawed vertebrates)
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  Euteleostomi (bony vertebrates)
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  Class Sarcopterygii (lobe-finned fishes and terrestrial vertebrates)
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  Tetrapoda (tetrapods)
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  Amniota (amniotes)
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  Class Reptilia (reptiles)
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  Diapsida (birds, crocodiles, lizards, snakes, and relatives)
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  Lepidosauria (amphisbaenians, lizards, snakes, and tuataras)
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  Order Squamata (amphisbaenians, lizards, and snakes)
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  Suborder Scleroglossa (geckos, amphisbaenians, skinks, snakes, and relatives)
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  Suborder Autarchoglossa (skinks, snakes, and relatives)
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  Infraorder Anguimorpha
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  Superfamily Varanoidea (monitor lizards, earless monitor lizards, gila lizards, and snakes)
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  Suborder Serpentes (snakes)
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  Superfamily Xenophidia (colubrids, vipers, and relatives)
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  Family Viperidae (pit vipers and vipers)
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  Genus Bothrops (lanceheads)
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  Species Bothrops alternatus
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  Species Bothrops ammodytoides
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  Species Bothrops andianus
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  Species Bothrops asper (fer-de-lance)
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  Species Bothrops atrox (common lancehead)
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  Species Bothrops barnetti
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  Species Bothrops brazili
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  Species Bothrops campbelli
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  Species Bothrops caribbaeus
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  Species Bothrops colombianus
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  Species Bothrops colombiensis
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  Species Bothrops cotiara
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  Species Bothrops erythromelas
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  Species Bothrops fonsecai
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  Species Bothrops hyoprora
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  Species Bothrops iglesiasi
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  Species Bothrops insularis
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  Species Bothrops itapetiningae
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  Species Bothrops jararaca
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  Species Bothrops jararacussu
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  Species Bothrops jonathani
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  Species Bothrops lanceolatus
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  Species Bothrops leucurus
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  Species Bothrops lojanus
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  Species Bothrops marajoensis
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  Species Bothrops microphthalmus
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  Species Bothrops moojeni
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  Species Bothrops neuwiedi
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  Species Bothrops pictus
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  Species Bothrops pirajai
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  Species Bothrops pradoi
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  Species Bothrops sanctaecrucis
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  Species Bothrops venezuelensis