Molarless Rat

A newly discovered rat, announced Aug. 21 in the journal Biology Letters, lacks back teeth.

New Rat

The rat lives in the Philippines and is the only known rodent species without molars.

New Rat Skull

This view of the rat's skull reveals its lack of teeth.

Rat Teeth

In addition, the rat has double-pointed bicuspid incisors, which it may use to tear its earthworm prey.

Image Album:

Gallery: New Long-Snouted Rat Without Back Teeth

Stephanie Pappas, LiveScience Senior Writer
Date: 21 August 2012 Time: 07:01 PM ET
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