COL·C6QQQspeciesThe Nature Library · Catalogue of Life, 2026

Oaxacan Pygmy Rattlesnake
Crotalus brunneus Harris & Simmons, 1978
This species is in the Catalogue of Life but not yet in the 2023 GBIF backbone or on iNaturalist: most likely it was described, or split from another species, very recently. What is known so far is below.
- Recorded from
- Mexico (Oaxaca: Mesa del Sur)
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Where it has been recorded
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
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In the stacks
Searching the stacks…
Every page naming Crotalus brunneus in the Biodiversity Heritage Library →
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References
- BRYSON, ROBERT W.; JR., CHARLES W. LINKEM, MICHAEL E. DORCAS, AMY LATHROP, JASON M. JONES, JAVIER ALVARADO-DÍAZ, CHRISTOPH I. GRÜNWALD & ROBERT W. MURPHY. (2014). Multilocus species delimitation in the Crotalus triseriatus species group (Serpentes: Viperidae: Crotalinae), with the description of two new species. Zootaxa 3826 (3): 475–496.
- Reyes-Velasco, J., Cox, C. L., Jones, J. M., Borja, M., & Campbell, J. A. (2022). How many species of rattlesnakes are there in the Crotalus durissus species group (Serpentes: Crotalidae)? Revista Latinoamericana de Herpetología 5 (1): 43-55.
- Bucio-Jiménez, Luis Eduardo, and Hibraim Adán Pérez-Mendoza. (2016). Crotalus ravus (Cope, 1865). Predation. Mesoamerican Herpetology 3(4): 1019–1020.
- Stille, B. (1987). Dorsal scale microdermatoglyphics and rattlesnake (Crotalus and Sistrurus) phylogeny (Reptilia: Viperidae: Crotalinae). Herpetologica 43: 98-104.
- Blair C, Bryson RW Jr, Linkem CW, Lazcano D, Klicka J, McCormack JE. (2018). Cryptic diversity in the Mexican highlands: Thousands of UCE loci help illuminate phylogenetic relationships, species limits and divergence times of montane rattlesnakes (Viperidae: Crotalus). Molecular Ecology Resources 19: 349–365 [2019].
- García-Padilla E, DeSantis DL, Rocha A, Mata-Silva V, Johnson JD, Wilson LD. (2020). Conserving the Mesoamerican herpetofauna: the most critical case of the priority level one endemic species. Amphibian & Reptile Conservation 14(2) [General Section]: 73–132 (E240).
From the Catalogue of Life (catalogueoflife.org), compiled from its specialist databases; CC BY 4.0. This name in the Catalogue of Life.

