(Source: Wikipedia. Photo: (c) Elí García-Padilla, some rights reserved (CC BY- NC)). Species, Crotalus intermedius Troschel, – Víbora-cascabel enana, Mexican Smallhead Rattlesnake. Direct Children: Subspecies, Crotalus intermedius. Crotalus intermedius intermedius Troschel in Müller, Taxonomic Serial No.: (Download Help) Crotalus intermedius intermedius TSN

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A type locality was not given in the original paper, but “Mexico” is inferred from the title.

IUCN Red List of Threatened Species

Mesoamerican Herpetology 4 2: A reclassification of the rattlesnakes; species formerly exclusively referred to the genera Crotalus and Sistrurus. Antivenom Therapy Antivenom is the key treatment for systemic envenoming.

Mesoamerican Herpetology 4 4: However, we cannot access every published paper of potential relevance, either because they are not available to us or are in a language we cannot translate internally. From Wikipedia, the free encyclopedia. The basis for reassurance is the fact that many venomous bites do not result in envenoming, the relatively slow progression to severe envenoming hours following elapid bites, days following viper bites and the effectiveness of modern medical treatment.


Other Insufficient clinical reports to know. The herpetofauna of Oaxaca, Mexico: Dangerousness Unknown, but potentially lethal envenoming, though unlikely, cannot be excluded. Amphibia [Amphibia by Hugo Troschel, pp. Catalogue of American Amphibians and Reptiles Three subspecies are currently recognized, including the nominate subspecies described here.

Crotalus intermedius Troschel, 1865

UMB missing and may be lost. General Crotzlus Small in length, moderately slender bodied rattlesnake with a short tail and a horn-like segmented rattle. Small Approx 20k version. Males are somewhat larger than females. Copyright ToxinologyWCH. Cardiotoxicity Insufficient clinical reports to know.

The bitten interrmedius should be immobilised as effectively as possible using an extemporised splint or sling; if available, crepe bandaging of the splinted limb is an effective form of immobilisation.

Seek urgent medical attention. If no motor vehicle or boat is available, the patient can be carried on a stretcher or hurdle, on the pillion or crossbar of a bicycle or on someone’s back. Integrated Taxonomic Information System. Tweet Please submit feedback about this entry to the curator. The Venomous Reptiles of Latin America. The herpetofauna of Puebla, Mexico: Crotalus intermedius Troschel, Amphibians and reptiles of the state of Hidalgo, Mexico.

It should not be assumed that humankind currently knows all there is to know about any species, even for common species. The rattlesnakes, genera Sistrurus and Crotalus.


Cerro San Felip, Oaxaca; E. First aid for bites by Viperid snakes likely to cause significant local injury at the bite site see listing in Comments section. Accessed 13 September Snake Species of the World: A Taxonomic and Geographic Reference, vol.

Avoid peroral intake, absolutely no alcohol. BMC Evolutionary Biology9: Dorsal scales are keeled and 8 to 10 rattle fringe scales.

These include local cauterization, incision, excision, amputation, suction by mouth, vacuum pump or syringe, combined incision and suction “venom-ex” apparatusinjection or instillation of compounds such as potassium permanganate, phenol carbolic soap and trypsin, application of electric shocks or ice cryotherapyuse of traditional herbal, folk and other crogalus including the ingestion of emetic plant products and parts of the snake, multiple incisions, tattooing and so on.

No sedatives outside hospital.