Hypnale is a genus of venomous pitvipers found in Sri Lanka and southwestern India. Three monotypic species are currently recognized (no subspecies). All members have a more or less upturned snouts that produce a hump-nosed effect.
all the animals of Satan’s bestiary, assembled in a consistory and set as guard and crown of the throne that faced them, singing its glory in their defeat, fauns, beings of double sex, brutes with six-fingered hands, sirens, hippocentaurs, gorgons, harpies, incubi, dragopods, minotaurs, lynxes, pards, chimeras, cynophales who darted fire from their nostrils, crocodiles, polycaudate, hairy serpents, salamanders, horned vipers, tortoises, snakes, two-headed creatures whose backs were armed with teeth, hyenas, otters, crows, hydrophora with sawtooth horns, frogs, gryphons, monkeys, dog-heads, leucrota, manticores, vultures, paranders, weasels, dragons, hoopoes, owls, basilisks, hypnales, presters, spectafici, scorpions, saurians, whales, scitales, amphisbenae, iaculi, dipsases, green lizards, pilot fish, octopi, morays, and sea turtles.
Source: The Name of the Rose by Umberto Eco.