How/can you tell the difference between the different ammodytes species? I bought a Vipera ammodytes meridionalis yesterday, she is really beautiful but looks different to other meridionalis I have seen, so not sure if she is a meridionalis Thanks Etymology. The subspecific name, montandoni, is in honor of "M. A. Montandon" who sent some of the first specimens of this snake to Boulenger.. Description. According to Boulenger (1913): "Naso-rostral shield never reaching the canthus rostralis nor the summit of the rostral shield, which is deeper than broad (once and one seventh to once and a half); rostral appendage clad with 10-14 scales ... ''Vipera ammodytes'' is a venomous viper species found in southern Europe through to the Balkans and parts of the Middle East. It is reputed to be the most dangerous of the European vipers due to its large size, long fangs and high venom toxicity. The Nose-horned Viper (Vipera ammodytes) naturally occurs in southern Europe through to the Balkans and parts of the Middle East. The species name, ammodytes, comes from the Greek words “ammos” meaning “sand” and “dytäs” meaning “diver”. This name “sand-diver” is not really a good name as the snake is not a sand-diver at all. Learn in-depth first aid information on Eastern Sand Viper Snake Bite, regarding its causes, signs and symptoms, how to administer, prognosis, and prevention.