In a message dated 95-08-29 13:37:11 EDT, jpoling@infinet.com (Jeff Poling) writes: > > What exactly are interdental plates? They're little bony separators situated down between the teeth on the medial (lingual) side--the inside--of the jaws. You can see them fairly clearly in Figure 6.29A (p. 204) of _The Dinosauria_. G.O.