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Crotalus unicolor LIDTH DE JEUDE, 1887

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Higher TaxaViperidae, Crotalinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Common NamesE: Aruba Island Rattlesnake
G: Aruba-Klapperschlange 
SynonymCrotalus horridus var. unicolor LIDTH DE JEUDE 1887: 133
Crotalus unicolor — KLAUBER 1936: 190
Crotalus durissus unicolor — DAAN & HILLENIUS 1966: 137
Crotalus unicolor — MCCRANIE 1986
Crotalus durissus unicolor — CAMPBELL & LAMAR 1989
Crotalus durissus unicolor — WELCH 1994: 45
Crotalus durissus unicolor — MCDIARMID et al. 1999
Crotalus durissus unicolor — CAMPBELL & LAMAR 2004
Crotalus durissus unicolor — QUIJADA-MASCAREÑAS & WÜSTER 2006
Caudisona unicolor — HOSER 2009
Crotalus unicolor — MARITZ et al. 2016
Crotalus unicolor — ZAHER et al. 2019 
DistributionAruba Island (off the coast of Venezuela)  
Reproductionovovivparous. Schuett et al. (1997) provide evidence for parthenogenesis in this C. d. unicolor. 
TypesHolotype: RMNH 613 
  • Booth, Warren; Gordon W. Schuett 2015. The emerging phylogenetic pattern of parthenogenesis in snakes. Biological Journal of the Linnean Society 118 (2): 172–186, DOI: 10.1111/bij.12744
  • Campbell, J.A. & Lamar, W.W. 1989. The Venomous Reptiles of Latin America. Comstock Publishing/Cornell University Press, Ithaca
  • Campbell, Jonathan A. and William W. Lamar 2004. The Venomous Reptiles of the Western Hemisphere, 2 vols. Comstock (Cornell University Press), Ithaca, NY, 962 pp. [review in Science 305: 182]
  • Daan, S. & Hillenius,D. 1966. Catalogue of the type specimens of amphibians and reptiles in the Zoological Museum, Amsterdam. Beaufortia 13: 117-144
  • 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
  • Klauber, Laurence M. 1936. A key to the rattlesnakes with summary of characteristics. Transactions of the San Diego Society of Natural History 8 (20): 185-276 + 1 foldout table - get paper here
  • Lidth de Jeude, Th. W. van. 1887. On a collection of reptiles and fishes from the West-Indies. Notes from the Leyden Museum 9: 129—139. - 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
  • McCranie J R 1986. Crotalus unicolor van Lidth de Jeude. Aruba Island rattlesnake. Catalogue of American Amphibians and Reptiles ( 389: 1-2 - 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
  • Quijada-Mascareñas & Wüster, W. 2006. Crotalus durissus complex: from Yucatan to Patagonia: the natural history of the Neotropical rattlesnake. Reptilia (GB) (49): 66-73 - get paper here
  • Strimple, Pete 1993. Crotalus unicolor (Van Lidth de Jeude), Aruba island rattlesnake. Litteratura Serpentium 13 (1): 4-13 - 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
  • Voort, Marcel van der 2012. Pictures: Crotalus unicolor. Litteratura Serpentium 32 (4): 253 - get paper here
  • Welch, K. R. G. 1994. Snakes of the World. A Checklist. I. Venomous snakes. KCM Books, Somerset, England.
  • Zaher H, Murphy RW, Arredondo JC, Graboski R, Machado-Filho PR, Mahlow K, et al. 2019. Large-scale molecular phylogeny, morphology, divergence-time estimation, and the fossil record of advanced caenophidian snakes (Squamata: Serpentes). PLoS ONE 14(5): e0216148 - get paper here
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