Crotalus willardi meridionalis

Crotalus willardi meridionalis
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Squamata
Suborder:	Serpentes
Family:	Viperidae
Genus:	Crotalus
Species:	C. willardi
Subspecies:	C. w. meridionalis
Trinomial name
Crotalus willardi meridionalis Klauber, 1949

Crotalus willardi meridionalis, the southern ridge-nosed rattlesnake, is a subspecies of ridge-nosed rattlesnake native to Durango and Zacatecas, Mexico. ^{[1] [2]} As with all rattlesnakes, it is venomous. ^[3]

Description

Crotalus willardi meridionalis differs from its sister subspecies by lacking a stripe along its rostral and mental along with other headmarkings and by its specific scale count. ^[4] Its rattle is sheathed by sharp scales, as is characteristic of the species. ^[5]

Reproduction

Crotalus willardi meridionalis is known to be ovoviviparous. ^[3]

Etymology

The name 'meridionalis' the latitude it was found in. ^[1]

References

1. "Ridge-nosed Rattlesnake – Tucson Herpetological Society" . Retrieved 2025-01-08.
2. Saviola, Anthony J.; Gandara, Anthony J.; Bryson, Robert W.; Mackessy, Stephen P. (2017-11-01). "Venom phenotypes of the Rock Rattlesnake (Crotalus lepidus) and the Ridge-nosed Rattlesnake (Crotalus willardi) from México and the United States" . Toxicon. 138: 119–129. Bibcode:2017Txcn..138..119S. doi:10.1016/j.toxicon.2017.08.016. ISSN   0041-0101. PMID   28827138.
3. "Crotalus willardi". The Reptile Database. Retrieved 2025-01-08.
4. San Diego Society of Natural History.; History, San Diego Society of Natural (1946). Transactions of the San Diego Society of Natural History. Vol. v.11 (1946–1953). [San Diego]: The Society.
5. San Diego Society of Natural History.; History, San Diego Society of Natural (1946). Transactions of the San Diego Society of Natural History. Vol. v.11 (1946–1953). [San Diego]: The Society.