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RE: When carnivores kill other carnivores... addendum
I follow Rauhut in recognizing that _Altispinax_ is the valid name for the
tall-spined Wealden theropod from England. Rauhut's rationale is that
Huene explicitly proposed the name _Altispinax_ for the distinctive
vertebrae, not for the indeterminate tooth that was originally named
Thus, the correct name of this theropod would be _Altispinax altispinax_
(with _Acrocanthosaurus altispinax_ and _Becklespinax altispinax_ as
objective junior synonyms), according to Rauhut. The tooth would remain
_Megalosaurus dunkeri_, and is a nomen dubium.
While on the subject of nomenclature...
The latter is still _"Megalosaurus" hesperis_ to me - and it will remain so
until somebody gets around to formally re-naming this species
("Walkersaurus" doesn't count). I do hate these nomina nuda.... Grrrr.