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Chilabothrus inornatus (REINHARDT, 1843)

IUCN Red List - Chilabothrus inornatus - Least Concern, LC

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Higher TaxaBoidae (Boinae), Henophidia, Alethinophidia, Serpentes, Squamata (snakes)
Common NamesE: Puerto Rican Boa
G: Puerto-Rico-Boa 
SynonymBoa inornata REINHARDT 1843: 253
Chilabothrus inornatus — DUMÉRIL & BIBRON 1844: 563
Chilabothrus inornatus — JAN 1864
Piesigaster boettgeri SEOANE 1881 (fide SCHWARTZ & HENDERSON 1988)
Chilabothrus inornatus — GARMAN 1887: 279
Epicrates inornatus — BOULENGER 1893: 97
Epicrates inornatus — STEJNEGER 1904: 688
Epicrates inornatus — SCHWARTZ & HENDERSON 1991: 607
Boella tenella SMITH & CHISZAR 1992
Epicrates inornatus — MCDIARMID, CAMPBELL & TOURÉ 1999: 198
Chilabothrus inornatus — REYNOLDS et al. 2013
Epicrates inornatus — WALLACH et al. 2014: 273
Chilabothrus inornatus — REYNOLDS & HENDERSON 2018: 13 
DistributionPuerto Rico

Type locality: Puerto Rico.  
TypesSyntypes: ZMUC (UZM) R.5597-98, UZM R.55101 (ZMUC) 
DiagnosisDESCRIPTION: Maximum SVL 1860 mm; dorsal scale rows on neck 31-34, at midbody 38-42; ventrals 263-273 in males, 258-267 in females; subcaudals 66-74 in males, 68-75 in females; ventrals + subcaudals 329-338 in males, 326-339 in females; head scale formula 2-1-2. Color and pattern variable: (1) on body a series of 66-73 narrow, angulate blotches not reaching the dorsal-ventral junction, hollowed centrally, with black to very dark brown edges, this series bordered ventrolaterally by another series of smaller blotches that may be fused into a dark ventrolateral line (especially on the neck); head virtually patternless, stippled brown or gray; venter very dark brown to gray, heavily stippled or overlaid with dark brown; tail blotches 12-26; (2) patternless or virtually patternless, a condition generally found in large individuals, indicating ontogenetic change (Schwartz & Henderson 1991: 607). 
CommentDistribution: Boella tenella has been (erroneously) reported from Mexico.

Type species: Boa inornata REINHARDT 1843: 253 is the type species of the genus Chilabothrus DUMÉRIL & BIBRON 1844.

Phylogenetics: see Onary et al. 2018 for fossil data on this genus.

Habitat: partly arboreal (Harrington et al. 2018). 
  • Boulenger, G.A. 1893. Catalogue of the snakes in the British Museum (Nat. Hist.) I. London (Taylor & Francis), 448 pp. - get paper here
  • Britton, Adam R. C. 1996. The bat-eating snakes of Puerto Rico. Reptilian 4 (4): 20-23
  • Duméril, A. M. C. and G. Bibron. 1844. Erpetologie Générale ou Histoire Naturelle Complete des Reptiles. Vol.6. Libr. Encyclopédique Roret, Paris, 609 pp. - get paper here
  • Garman, S. 1887. On West Indian reptiles in the Museum of Comparative Zoology at Cambridge, Mass. Proc. Amer. Philos. Soc. 24: 278-286. - get paper here
  • Harrington, Sean M; Jordyn M de Haan, Lindsey Shapiro, Sara Ruane 2018. Habits and characteristics of arboreal snakes worldwide: arboreality constrains body size but does not affect lineage diversification. Biological Journal of the Linnean Society 125 (1): 61–71 - get paper here
  • Jan, G. 1864. Iconographie générale des ophidiens. 6. Livraison. J.B. Bailière et Fils, Paris - 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.
  • Onary, Silvio; Annie S Hsiou 2018. Systematic revision of the early Miocene fossil Pseudoepicrates (Serpentes: Boidae): implications for the evolution and historical biogeography of the West Indian boid snakes (Chilabothrus). Zoological Journal of the Linnean Society, Volume 184, Issue 2, 5 October 2018, Pages 453–470, - get paper here
  • Rasmussen, J.B. & B. Hughes 1996. Description of some new snake species. I. [English translation of the original Danish text of T. Reinhardt 1843]. Steenstrupia 22: 13-39
  • Reinhardt, J. T. 1843. Beskrivelse af nogle nye Slangearter. Danske Vidensk. Selsk. Afhandl. 10: 233-279. - get paper here
  • Reynolds, R. Graham and Robert W. Henderson 2018. Boas of the World (Superfamily Booidae): A Checklist With Systematic, Taxonomic, and Conservation Assessments. Bulletin of the Museum of Comparative Zoology Sep 2018, Vol. 162, No. 1: 1-58. - get paper here
  • Reynolds, R. Graham; Alberto R. Puente-Rolón, Karen Kolodzaike, Tiara Butler-Smith 2014. Isolation and characterization of 23 novel polymorphic microsatellite markers from the endangered Puerto Rican boa (Chilabothrus inornatus) using paired-end Illumina shotgun sequencing. Conservation Genetics Resources 6 (1): 107-109 - get paper here
  • Reynolds, R.G.; Matthew L. Niemiller; S. Blair Hedges; Alex Dornburg; Alberto R. Puente-Rolón; Liam J. Revell 2013. Molecular phylogeny and historical biogeography of West Indian boid snakes (Chilabothrus). Molecular Phylogenetics and Evolution - get paper here
  • Schwartz, A. & Henderson, R.W. 1988. West Indian Amphibian and Reptiles: A Checklist. Milwaukee Publ. Mus. Contr. Biol. Geol. No. 74: 264 pp. - get paper here
  • Schwartz, A. & Henderson, R.W. 1991. Amphibians and Reptiles of the West Indies. University of Florida Press, Gainesville, 720 pp.
  • Smith H M; Chiszar D 1992. A Mexican genus of tropidopheine snakes. Bull. Maryland Herp. Soc. 28 (1): 19-28 - get paper here
  • Stejneger, L. 1904. The herpetology of Porto Rico. Rept. United States Natl. Mus. 1902: 549-724. - 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.
  • Wallach,V. & Smith,HM 1992. Boella tenella is Epicrates inornatus (Reptilia: Serpentes). Bull. Maryland Herp. Soc. 28: 162-170 - get paper here
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