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questions on tetanurines & etymology

What characters show that Baryonyx and Spinosaurus (etc.) should be 
united into Spinosauridae?

How strong is the grouping of Acrocanthosaurus, Giganotosaurus, and 
Carcharodontosaurus into Carcharodontosauridae?

I have a posting by Holtz (10/24/96; 9:12am) discussing these questions, 
at which time they did not seem well resolved.

Also, two quickies on etymology (sorry, but my library stinks):

Does anyone know the etymology for Kronosaurus; "krono-" is the problem.

Does any one know about Haramiya and Haramiyidae? (oops--a mammal!)

Thanks in advance.

Norman R. King                                       tel:  (812) 464-1794
Department of Geosciences                           
University of Southern Indiana
Evansville, IN 47712                      e-mail:  nking.ucs@smtp.usi.edu