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Nerodia harteri (TRAPIDO, 1941)

IUCN Red List - Nerodia harteri - Near Threatened, NT

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Higher TaxaColubridae (Natricinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Brazos Water Snake, Harters Water Snake
G: Harters Schwimmnatter 
SynonymNatrix harteri TRAPIDO 1941
Nerodia harteri — MECHAM 1983
Nerodia harteri — CONANT & COLLINS 1991: 156
Nerodia harteri — CROTHER 2000: 67
Nerodia harteri harteri — TENNANT & BARTLETT 2000: 158
Nerodia harteri — ERNST & ERNST 2003: 236
Nerodia harteri — CROTHER et al. 2012
Nerodia harteri — WALLACH et al. 2014: 484 
DistributionUSA (C Texas)

Type locality: rocky stretches along the Brazos River north of Palo Pinto, Palo Pinto County, Texas.  
Reproductionovovivparous 
TypesHolotype: USNM 110927; Cotypes: CUMV 3100, 3101, 3103-3109 (Cornell University), same data as the type; Paratypes: CUMV 3110-3121 same data as the type collected in late April 1940; CUMV 3122, 2488, same data as the type, but collected September 1938 
DiagnosisAdditional details, e.g. a detailed description or comparisons (3306 characters), are available for collaborators and contributors. Please contact us for details. 
CommentNerodia harteri paucimaculata has been elevated to full species status. 
EtymologyNamed after “Mr. Philip Harter, a most enthusiastic and energetic collector of Palo Pinto, TX”, and collector of the holotype. 
References
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Conant, Roger 1942. Notes on the young of three recently described snakes, with comments upon their relationships [Coluber constrictor priapus; Salvadora lineata; Natrix harteri]. Bulletin of the Chicago Academy of Sciences 6 (10): 193-200
  • Conant,R. & Collins,J.T. 1991. A Field Guide to Reptiles and Amphibians of Eastern/Central North America, 3rd ed. Houghton Mifflin (Boston/New York), xx + 450 p.
  • Crother, B. I. (ed.) 2012. Standard Common and Current Scientific Names for North American Amphibians, Turtles, Reptiles, and Crocodilians, Seventh Edition. Herpetological Circular 39: 1-92
  • Densmore III,L.D.; Rose,F.L. & Kain,S.J. 1992. Mitochondrial DNA evolution and speciation in water snakes (genus Nerodia) with special reference to Nerodia harteri. Herpetologica 48 (1): 60-68 - get paper here
  • Dixon, James R. 2000. Amphibians and reptiles of Texas, second edition. Texas A&M University Press, 421 pp.
  • Ernst, C.H. & Ernst, E.M. 2003. Snakes of the United States and Canada. Smithsonian Inst. Press, Washington, 668 pp.
  • Gibbons, J. W. & Mike Dorcas 2004. North American Water Snakes. University of Oklahoma Press, 496 pp.
  • Greene, B.D., J.R. Dixon, J.M. Mueller, M.J. Whiting & O.W. Thornton, Jr. 1994. Feeding Ecology of the Concho Water Snake, Nerodia harteri paucimaculata Journal of Herpetology 28 (2): 165-172. - get paper here
  • Hibbitts, Troy D. & Lee A. Fitzgerald 2005. Morphological and ecological convergence in two natricine snakes. Biological Journal of the Linnean Society<br>85: 363–371 - get paper here
  • Lawson, R. 1987. Molecular studies of Thamnophiine snakes: 1. The phylogeny of the genus Nerodia. Journal of Herpetology 21 (2): 140-157 - get paper here
  • Mecham, John S. 1983. Nerodia harteri. Catalogue of American Amphibians and Reptiles (330): 1-2 - get paper here
  • O’Shea, M. 2018. The Book of Snakes. Ivy Press / Quarto Publishing, London, - get paper here
  • Roelke, Corey E. and Nathan Rains. 2014. Results of repeated surveys for the Brazos water snake (Nerodia harteri) in a section of the Brazos River in North Texas. Herpetological Review 45 (4): 577-579 - get paper here
  • Scott, N. J.;Maxwell, T. C.;Thorton, O. W.;Fitzgerald, L. A.;Flury, J. W. 1989. Distribution, habitat, and future of Harter's water snake, Nerodia harteri, in Texas. Journal of Herpetology 23 (4): 373-389 - get paper here
  • Siegel, Dustin S.; Stanley E. Trauth, Justin L. Rheubert, Brian Rabe, Brenton Ruopp, Aurélien Miralles, Christopher M. Murray, and Robert D. Aldridge 2014. Novel Cloacal Glands in Snakes: The Phylogenetic Distribution of Ventral Urodaeal Glands in Thamnophiini. Herpetologica 70 (3): 279-289. - get paper here
  • Tennant, A. 2003. Snakes of North America - Eastern and Central Regions, revised edition. Lone Star Books, 605 pp.
  • Tennant, A. & Bartlett, R.D. 2000. Snakes of North America - Eastern and Central Regions. Gulf Publishing, Houston, TX, 588 pp.
  • Thornton, Okla W., Jr.;Smith, Jerry R. 1993. New county records of amphibians and reptiles from West-Central Texas. Herpetological Review 24 (1): 35-36 - get paper here
  • Trapido,H. 1941. A new species of Natrix from Texas. American Midland Naturalist 25: 673-680 - 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.
  • Weidler, J M 2019. Protected areas of Texas in relation to Texas reptiles. Herpetological Review 50 (3): 462-473 - get paper here
  • Werler, John E. & James R. Dixon 2000. Texas Snakes. University of Texas Press, 544 pages
 
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