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Re: polyphyodonty in dinosaurs
<<Coelophysoids, compsognathids, spinosauroids...all
exhibit more or less marked heterodonty.>>
Oops. That should be spinosaurids, not spinosauroids; and throw in basal
thyreophorans and _Eoraptor_ as well.
iguanodontian ornithopods could be said to have reverted to heterodonty when
they lost their premaxillary teeth.>>
Oops again. Homodonty. They reverted to homodonty.