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Stacey Burgess wrote-
In all of the reconstructions of Masiakasaurus knopferi
I have seen it was depicted with 4 full claws, What is the basis
for this?
None. In fact, that's near
certainly incorrect. Although neoceratosaur hands are poorly
known, the partial manus of Ceratosaurus and Carnotaurus (as well as comparison
to Herrerasaurus, coelophysoids, Dilophosaurus and basal tetanurines) suggest
that Masiakasaurus had claws on digits I, II and III, with none on digit
IV. I don't think any dinosaurs had four manual unguals.
Mickey Mortimer
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