THE CENTER FOR NORTH AMERICAN HERPETOLOGY

Reptilia    Testudines    Emydidae  

Cagle's Map Turtle
Graptemys caglei Haynes and McKown, 1974

SSAR 9th Edition Comments:
 Ward et al. (2013, Copeia 2013: 723–728) found divergence in microsatellites, life history, morphology, and coloration between populations in the Upper Guadalupe River compared to those in the Middle Guadalupe and San Marcos Rivers. No taxonomic recommendations were made.

Range maps are based on curated specimens and provided gratis by CNAH.
(Created by Travis W. Taggart; Version: 2023.04.08.21.20.38)
Download GeoJSON polygon range file: - 0.22 MB

Province/State Distribution:
USA: Texas

First instance(s) of published English names:
No historic English names have been assigned to this taxon yet.

Taxon Links:

  
Catalog of American Amphibians and Reptiles
  
The Reptile Database
  
NatureServe
  
iNaturalist
  
GenBank
  
USGS - Nonindigenous Aquatic Species Database

Selected References:
1948 Smith, Hobart M. The map turtles of Texas. Proceedigns and Tranactions of the Texas Academy of Sciences 30:60
1994 McCoy, Clarence J., Jr. and Richard C. Vogt. Graptemys. Catalogue of American Amphibians and Reptiles (584):1-3
1994 Lamb, Trib, Charles Lydeard, R. B. Walker, and J. Whitfield Gibbons. Molecular systematics of map turtles (Graptemys): A comparison of mitochondrial restriction site versus sequence data. Systematic Biology 43:543-559
2013 Ward, R., J. B. Babitzke, and F. C. Killebrew. Genetic population structure of Cagle's Map Turtle (Graptemys caglei) in the Guadalupe and San Marcos Rivers of Texas - a landscape perspective. Copeia 2013:723-728
2017 Praschag, Peter, Flora Ihlow, Morris Flecks, Melita Vamberger, and Uwe Fritz. Diversity of North American map and sawback turtles (Testudines: Emydidae: Graptemys). Zoologica Scripta 46:675-682

THE CENTER FOR NORTH AMERICAN HERPETOLOGY — Accessed: Monday 19 May 2025 19:35 CT