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Re: Ichthyovenator, new spinosaurid from Early Cretaceous of Laos



 A theropod tooth referred by Hu (1964) to _Chilantaisaurus_because it
 was associated with the holotype is recurved, serrated and
 transversely compressed - atypical of spinosaurids. So either this
 tooth does not belong to _Chilantaisaurus_ (which Benson & Xu, 2008,
 rate as a good possibility), or _Chilantaisaurus_ had teeth unlike
 those of (other) spinosaurids.

Is it a shed tooth, or is the root still there?