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Hypotarsus
Hi,
a question for the morphology people here: does anyone
know a good reference about a functional analysis of
the posterior cruciate ligament/phylogenetic analysis
of the hypotarsus? I find too much specialized
information on the latter and too much medical papers
on the former, but I'm looking for something that will
give a good overview on how morphological adaptations
constrain the phylogenetic signal here (I assume the
requirements on the ligament and thus the morphology
of the hypotarsus to be different in perchers vs
runners for example, but does that hold true for
graviportal vs swift runners too?)
Also, am I correct in assuming that a hypotarsus has
to date only been found to occur in Ornithothoraces,
and that it is an autapomorphy in these?
TIA,
Eike
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