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Loxocemus bicolor COPE, 1861

IUCN Red List - Loxocemus bicolor - Least Concern, LC
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Higher TaxaLoxocemidae, Henophidia, Pythonoidea, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Mexican Burrowing Python
G: Spitzkopfpython
S: Chatilla 
SynonymLoxocemus bicolor COPE 1861: 77
Loxocemus sumichrasti BOCOURT 1876: 7
Plastoseryx Bronni JAN 1862: 242
Loxocemus bicolor — BOULENGER 1893: 74
Loxocemus sumichrasti — TAYLOR 1939
Loxocemus sumichrasti — SCHMIDT 1947
Loxocemus sumichrasti — ÁLVAREZ DEL TORO & SMITH 1956: 12
Loxocemus bicolor — LINER 1994
Loxocemus bicolor — MCDIARMID, CAMPBELL & TOURÉ 1999: 160
Loxocemus bicolor — MATTISON 2007: 201
Loxocemus bicolor — WALLACH et al. 2014: 398
Loxocemus bicolor — SUNYER & MARTÍNEZ-FONSECA 2023 
DistributionSE Mexico (incl. Chiapas, Oaxaca, Morelos, Michoacan, Jalisco, Guerrero, Nayarit), Guatemala, Honduras, El Salvador, Nicaragua, Costa Rica

Type locality: La Unién, El Salvador  
Reproductionoviparous 
TypesHolotype: lost, USNM 4948 (presumed lost fide McDiarmid et al. 1999). 
DiagnosisAdditional details, e.g. a detailed description or comparisons (1352 characters), are available for collaborators and contributors. Please contact us for details. 
CommentType species: Loxocemus bicolor COPE 1861: 77 is the type species of the genus Loxocemus COPE 1861. 
EtymologyFrom latin words bis and color meaning two colored in allusion to its coloration.

The genus was named after Greek loxos (λοξός), slanting + Greek kemos (κημός), muzzle. ["...Muzzle prominent, obliquely truncate…"]. 
References
  • Aguilar-López JL, Luría-Manzano R, Pineda E, Canseco-Márquez L 2021. Selva Zoque, Mexico: an important Mesoamerican tropical region for reptile species diversity and conservation. ZooKeys 1054: 127-153 - get paper here
  • Álvarez DEL TORO, M., & SMITH, H. M. 1956. Notulae herpetologicae Chiapasiae. I. Herpetologica 12: 3-17 - get paper here
  • Bocourt,M.F. 1876. Ann. Sci. Nat. Zool. (6) 4: 7 - get paper here
  • Boulenger, G.A. 1893. Catalogue of the snakes in the British Museum (Nat. Hist.) I. London (Taylor & Francis), 448 pp. - get paper here
  • Carbajal-Márquez, Rubén Alonso; Jose Carlos Arenas-Monroy , Marco Antonio Domínguez-De la Riva and Eric Abdel Rivas-Mercado 2015. Loxocemus bicolor (Serpentes: Loxocemidae): Elevational and geographic range extensión in Michoacán, México. Revista Mexicana de Herpetología 1(1): 15–17
  • Casas-Andreu, G., F.R. Méndez-De la Cruz and X. Aguilar-Miguel. 2004. Anfibios y Reptiles; pp. 375–390, in A.J.M. García-Mendoza, J. Ordoñez and M. Briones-Salas (ed.). Biodiversidad de Oaxaca. Instituto de Biología, UNAM-Fondo Oaxaqueño para la Conservación de la Naturaleza-World Wildlife Fund, México, D. F.
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  • Cope, E.D. 1861. [On the Amphisbaenidae and Loxocemus]. Proc. Acad. Nat. Sci. Philadelphia 1861: 75-77 - get paper here
  • Correa-Sánchez, F., S. Vázquez-González, J. M. Mora, E. Cid-Méndez, S. F. Arias-Balderas, S. Grumbeck, A. Grumbeck, and L. W. Porras. 2017. Wild and captive observations on the Burrowing Python, Loxocemus bicolor (Loxocemidae). Mesoamerican Herpetology 4(1): 231–235 - get paper here
  • Figgener, C., Beck, E., Dunlop, D. & MacCarthy, A.C. 2018. Loxocemus bicolor (Mexican Burrowing Python) Diet. Herpetological Review 49 (1): 133. - get paper here
  • García, A. & Ceballos, G. 1994. GUIA DE CAMPO DE LOS REPTILES Y ANFIBIOS DE LA COSTA DE JALISCO, MEXICO. FUNDACION ECOLOGICA DE CUIXMALA, A.C. INSTITUTO DE BIOLOGIA, UNAM - get paper here
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  • Günther, ALBERT 1862. On new species of snakes in the collection of the British Museum. Ann. Mag. Nat. Hist. (3) 9: 52-67. - get paper here
  • Haas, Georg 1955. The systematic position of Loxocemus bicolor Cope (Ophidia). American Museum Novitates (1748): 1-8 - get paper here
  • Heimes, P. 2016. Snakes of Mexico. Chimaira, Frankfurt, 572 pp
  • Henderson, C.L. 2010. Mammals, Amphibians, and Reptiles of Costa Rica - A field guide. University of Texas Press, Austin, 198 pp.
  • Jan, G. 1862. Ueber die Familien der Eryciden und Tortriciden. Archiv für Naturgeschichte 28 (1): 238-252 - get paper here
  • Jan, G. 1864. Iconographie générale des ophidiens. 3. Livraison. J.B. Bailière et Fils, Paris - get paper here
  • Johnson, Jerry D.; Vicente Mata-Silva, Elí García Padilla, and Larry David Wilson 2015. The Herpetofauna of Chiapas, Mexico: composition, distribution, and conservation. Mesoamerican Herpetology 2 (3): 272–329. - get paper here
  • Leetz, T. 1983. The TFH Book of Snakes. T.F.H. Publications, 77 pp.
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  • Mata-Silva, Vicente, Jerry D. Johnson, Larry David Wilson and Elí García-Padilla. 2015. The herpetofauna of Oaxaca, Mexico: composition, physiographic distribution, and conservation status. Mesoamerican Herpetology 2 (1): 6–62 - get paper here
  • Mattison, Chris 2007. The New Encyclopedia of Snakes. Princeton University Press
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  • McCranie, James R. 2015. A checklist of the amphibians and reptiles of Honduras, with additions, comments on taxonomy, some recent taxonomic decisions, and areas of further studies needed. Zootaxa 3931 (3): 352–386 - 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.
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  • Mora B., J.M. 1987. Predation by Loxocemus bicolor on the Eggs of Ctenosaura similis and Iguana iguana Journal of Herpetology 21 (4): 334-335. - get paper here
  • Nelson, C. E., & MEYER, J. R. 1967. Variation and distribution of the Middle American snake genus Loxocemus Cope (Boidae?). Southwestern Naturalist 12: 439-453. - get paper here
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  • Woolrich-Piña, Guillermo A, Paulino Ponce-Campos, Jesús Loc-Barragán, Juan Pablo Ramírez-Silva, Vicente Mata-Silva, Jerry D. Johnson, Elí García-Padilla and Larry David Wilson. 2016. The herpetofauna of Nayarit, Mexico: composition, distribution, and conservation status. Mesoamerican Herpetology 3 (2): 376-448 - get paper here
  • Zweifel, Richard G. 1959. Additions to the herpetofauna of Nayarit, Mexico. American Museum Novitates (1953): 1-13 - get paper here
 
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