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Table 3 Taxonomic distributions and estimates of venomous vertebrate diversity.

From: Diversity, phylogenetic distribution, and origins of venomous catfishes

Taxon

# Presumed Venomous

Actinopterygii - Ray-finned fishes

≈1835 - 2275 species

   Siluriformes - Catfishes

≈1250-1625 species

   Acanthomorpha - Spiny-rayed fishes

≈585-650 species

Chondrichthyes - Cartilaginous fishes

≈200 species

Sarcopterygii - Lobe-finned fishes and tetrapods

≈685+ species

  1. Estimates for acanthomorphs, chondrichthyans, and mammals are from [18]. Estimates for venomous snakes and lizards are from [[32] and [34]].
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BMC Ecology and Evolution

ISSN: 2730-7182

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