
Mexican Horned Pitvipers
Ophryacus
Ophryacus is a genus of venomous pit vipers endemic to Mexico. The name is derived from the Greek word ophrys, which means "brow", and the Latin word acus, which means "needle", an allusion to the characteristic horn-like scales over the eyes. Currently, two species are recognized and no subspecies.
3 branches of this genus, most-observed first · about 3 known species

Mexican Horned Pit Viper
speciesOphryacus undulatus

Emerald Horned Pitviper
speciesOphryacus smaragdinus

Broad-horned Pitviper
speciesOphryacus sphenophrys
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
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In the stacks
Searching the stacks…
Every page naming Ophryacus in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 31033.