- Black-knobbed Map Turtle
Taxobox
name = Black-knobbed Map Turtle
image_caption = Black-knobbed Map Turtle hatchlings
status = LR/nt | status_system = IUCN2.3
regnum =Animalia
phylum =Chordata
classis =Reptilia
ordo =Testudines
familia =Emydidae
genus = "Graptemys "
species = "G. nigrinoda"
binomial = "Graptemys nigrinoda"
binomial_authority = Cagle, 1954
synonyms = The Black-knobbed Map Turtle ("Graptemys nigrinoda") is a species ofturtle in theEmydidae family.It is endemic to theUnited States .ource
* Tortoise & Freshwater Turtle Specialist Group 1996. [http://www.iucnredlist.org/search/details.php/9502/all Graptemys nigrinoda] . [http://www.iucnredlist.org 2006 IUCN Red List of Threatened Species. ] Downloaded on 29 July 2007.
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