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Re: BAKK. TAX. AND UNCINATES
> When we talk about uncinate processes we mean the up-pointing, hooked little
> bones at the tops of ribs 3-6 (or thereabouts). No other part of skeletal
> anatomy is commonly called just 'uncinate' (or am I wrong there?). As far as I
> can tell, they are unique to the dromaeosaurid-availian clade.
And, of course, the sphenodontids. There, quite clearly marked on
the diagram opf the Tuatara in New Zealand Geographic are uncinate
processes at the tops of just about every rib.