THE CENTER FOR NORTH AMERICAN HERPETOLOGY

Reptilia    Testudines    Emydidae  

Black-knobbed Map Turtle
Graptemys nigrinoda Cagle, 1954

Current SSAR Comments:
Ennen et al. (2014, Biological Journal of the Linnean Society 111: 810–822) determined that there is not sufficient evidence for the recognition of G. n. delticola. Rhodin et al. (2021, Chelonian Research Monographs (8): 1–472) did not recognize the subspecies G. n. delticola and G. n. nigrinoda.

Range maps are based on curated specimens and provided gratis by CNAH.
(Created by Travis W. Taggart; Version: 2023.04.08.21.20.37)
Download GeoJSON polygon range file: - 0.32 MB

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

Pertinent LIterature:
1954 Cagle, Fred R. Two new species of the genus Graptemys. Tulane Studies in Zoology and Botany 1():167-186
2014 Ennen, Joshua R., Marley E. Kalis, Adam L. Patterson, Brian R. Kreiser, Jeffery E. Lovich, James Godwin, and Carl P. Qualls. Clinal variation or validation of a subspecies? A case study of the Graptemys nigrinoda complex (Testudines: Emydidae). Biological Journal of the Linnean Society 2014():1-13
2021 Rhodin, Anders G. J., John B. Iverson, Roger Bour, Uwe Fritz, Arthur Georges, H. Bradley Shaffer, and Peter Paul van Dijk. Turtles and tortoises of the world during the rise and global spread of humanity: First checklist and review of extinct pleistocene and holocene chelonians. Chelonian Research Monographs (8):1-472

THE CENTER FOR NORTH AMERICAN HERPETOLOGY — Accessed: Thursday 30 January 2025 02:41 CT