Tomium
Encyclopedia
The tomium is the sharp cutting edge of the beak of a bird or turtle. Sometimes the edge is serrated for tearing through flesh or seaweed (in the case of sea turtles). Snapping turtle
Chelydridae
Chelydridae is a family of turtles which has seven extinct and two extant genera. The extant genera are Chelydra the snapping turtles, and its larger relative Macrochelys, of which the Alligator Snapping Turtle is the only species. Both are endemic to the Western Hemisphere...

tomia can be dangerous because their bites are swift and powerful.
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