Cagle's map turtle [SEP] parent taxon
Cagle's map turtle
Cagle's map turtle ("Graptemys caglei" ) is a species of turtle in the family Emydidae. The species is endemic to Texas.
Geographic range.
"G. caglei" is found only in the Guadalupe, San Antonio, and San Marcos Rivers in Texas.
Etymology.
The specific name, "caglei", is in honor of American herpetologist Dr. Fred Ray Cagle (1915-1968).
Description.
Cagle's map turtle has intricate patterns on the carapace
Females of all map turtle species can be partitioned into three groups based on head (alveolar) width and corresponding ecology and phylogeny. 
1. Microcephalic females are narrow headed, sympatric with a broader headed species, and consume few mollusks. Microcephalic species include yellow-blotched, black-knobbed, ringed, Ouachita, and Sabine map turtles.
2. Mesocephalic females have moderately broad heads and tend to eat mostly mollusks along with softer bodied prey. Mesocephalic species include Cagle's, northern, false, Mississippi, and