Assertion: alligator snapping turtle | /r/HasProperty | has the three keels
Facets:
value: vs. on the back
type: LOCATION
value: down the back of the shell
type: LOCATION
Source sentences:
text: Distinguishing from the Common Snapping Turtle: The Alligator Snapping Turtle is has the three keels down the back of the shell (vs. usually smoother on the back), defensively sitss with the mouth open (vs. typically strikes viciously in defense), has four supramarginal scales (between the marginals and costals) (vs. having the marginals and costals touching), has a strongly hooked beak (vs. lacking a hooked beak), and moves about with great difficulty (vs. moving about easily and with some speed).