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Re: GLOBIDENTINES
Mosasaurs leaving puncture marks in ammonoid shells are discussed by Peter
Ward in "Time Machines" (1998). Simulated mosasaur bites on shells
(nautiloids, if memory serves) always resulted in shattering not tooth
holes - not that the mosasaur cares how it gets at the tasty bits. The
conclusion was that the holes were made by marine borers after the death
of
the ammonoid.
Stephen Priestley