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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)
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.  
TypesHolotype: USNM 110927 Paratypes: Cornell U Museum 
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. 
  • 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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