Amphibians Some salamanders can extrude sharp venom-tipped ribs.Venomous Amphibians (Page 1) – Reptiles (Including Dinosaurs) and Amphibians – Ask a Biologist Q&A. Askabiologist.org.uk. Retrieved on 2013-07-17. Two frog species in Brazil have tiny spines around the crown of their skulls which, on impact, deliver venom into their targets.
Amphibians Some salamanders can extrude sharp venom-tipped ribs.Venomous Amphibians (Page 1) – Reptiles (Including Dinosaurs) and Amphibians – Ask a Biologist Q&A. Askabiologist.org.uk. Retrieved on 2013-07-17 Two frog species in Brazil have tiny spines around the crown of their skulls which, on impact, deliver venom into their targets.