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Crotalus lannomi TANNER, 1966

IUCN Red List - Crotalus lannomi - Data Deficient, DD

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Higher TaxaViperidae, Crotalinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Common NamesE: Autlán Long-tailed Rattlesnake, Manantlán Long-tailed Rattlesnake
S: Cascabel Cola-larga de Autlán 
SynonymCrotalus lannomi TANNER 1966
Crotalus lannomi — LINER 1994
Crotalus lannomi — MCDIARMID, CAMPBELL & TOURÉ 1999: 287
Cummingea lannomi — HOSER 2009
Crotalus lannomi — REYES-VELASCO et al. 2013
Crotalus lannomi — WALLACH et al. 2014: 191 
DistributionSW Mexico (Jalisco, Colima)

Type locality: 1.8 mi. west of the pass, Puetro Los Mazos, on Mexican Highway No 80, Jalisco, Mexico [maybe in error, fide REYES-VELASCO et al. 2010].  
TypesHolotype: BYU 23800 

Conservation: one of the 30 most endangered viper species (Maritz et al. 2016).Only about 6 specimens have been found since its description.

Nomenclature: Hoser’s 2009 classification and nomenclature has been rejected as unnecessary and unavailable by WÜSTER & BERNILS 2011. 
Etymologynamed after the collector of the type specimen, Joseph R. Lannom, Jr. 
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Campbell, J.A. & Lamar, W.W. 1989. The Venomous Reptiles of Latin America. Comstock Publishing/Cornell University Press, Ithaca
  • Campbell, Jonathan A. and Oscar Flores-Villela 2008. A New Long-Tailed Rattlesnake (Viperidae) From Guerrero, Mexico. Herpetologica 64 (2): 246-257 - get paper here
  • Heimes, P. 2016. Snakes of Mexico. Chimaira, Frankfurt, 572 pp
  • Hoser, R. 2009. A reclassification of the rattlesnakes; species formerly exclusively referred to the genera Crotalus and Sistrurus. Australasian J. Herpetol. 3: 1-21 - get paper here
  • Jadin, Robert C.; Jacobo Reyes Velasco and Eric N. Smith 2010. Hemipenes of the long-tailed rattlesnakes (Serpentes: Viperidae) from Mexico. Phyllomedusa 9 (1): 69-74 - get paper here
  • Lemos-Espinal JA, Smith GR, Pierce LJS, Painter CW 2020. The amphibians and reptiles of Colima, Mexico, with a summary of their conservation status. ZooKeys 927: 99-125 - get paper here
  • Maritz, Bryan; Johannes Penner, Marcio Martins, Jelka Crnobrnja-Isailović, Stephen Spear, Laura R.V. Alencar, Jesús Sigala-Rodriguez, Kevin Messenger, Rulon W. Clark, Pritpal Soorae, Luca Luiselli, Chris Jenkins, Harry W. Greene 2016. Identifying global priorities for the conservation of vipers. Biological Conservation, doi:10.1016/j.biocon.2016.05.004 - get paper here
  • McDiarmid, R.W.; Campbell, J.A. & Touré,T.A. 1999. Snake species of the world. Vol. 1. [type catalogue] Herpetologists’ League, 511 pp.
  • OLIVEIRA-DALLAND, LUIS G.; LAURA R.V. ALENCAR, LEANDRO R. TAMBOSI, PAOLA A. CARRASCO, RHETT M. RAUTSAW, JESUS SIGALA-RODRIGUEZ, GUSTAVO SCROCCHI & MARCIO MARTINS. 2022. Conservation gaps for Neotropical vipers: Mismatches between protected areas, species richness and evolutionary distinctiveness. Biological Conservation 275(109750). - get paper here
  • Reyes-Velasco, J.; Grünwald, C.I.; Jones, J.M. & Weatherman, G.N. 2010. Rediscovery of the Rare Autlán Long-Tailed Rattlesnake, Crotalus lannomi. Herpetological Review 41 (1): 19-25 - get paper here
  • Reyes-Velasco, Jacobo; Jesse M. Meik, Eric N. Smith, Todd A. Castoe 2013. Phylogenetic relationships of the enigmatic longtailed rattlesnakes (Crotalus ericsmithi, C. lannomi, and C. stejnegeri). Molecular Phylogenetics and Evolution 69 (3): 524–534 - get paper here
  • Stille, B. 1987. Dorsal scale microdermatoglyphics and rattlesnake (Crotalus and Sistrurus) phylogeny (Reptilia: Viperidae: Crotalinae). Herpetologica 43: 98-104 - get paper here
  • Tanner, W W 1986. Crotalus lannomi Tanner. Autlan rattlesnake. Catalogue of American Amphibians and Reptiles ( 387: 1 - get paper here
  • Tanner, W. W. 1970. A catalogue of the fish, amphibian, and reptile types in the Brigham Young University Museum of Natural History. Great Basin Naturalist 30 (4): 219-226 - get paper here
  • Tanner, W.W. 1966. A new rattlesnake from western Mexico. Herpetologica 22 (4): 298-302 - get paper here
  • Ukuwela, K.D.B., de Silva, A., Sivaruban, A. et al. 2022. Diversity, distribution, and natural history of the marine snakes of Sri Lanka. Marine Biodiversity 52, 24 (2022) - get paper here
  • Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. [type catalogue] Taylor and Francis, CRC Press, 1237 pp.
  • Wüster, W. & Bérnils, R.S. 2011. On the generic classification of the rattlesnakes, with special reference to the Neotropical Crotalus durissus complex (Squamata: Viperidae). ZOOLOGIA 28 (4): 417–419 - get paper here
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