Matt Troutman wrote on 25th Feb 99: > As Martin pointed out in his huge 1991 paper on the anatomy of > _Archaeopteryx_, ornithurines ossify their tarsometatarsus in a > distoproximal fashion. I think that it is just a convergent development > in _Archaeopteryx_. How would people characterise the Ax metatarsus, and are there any reasonably accessible detailed descriptions about?