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Re: Pygostyles in Pterosaurs

At 04:11 AM 08/07/2000 -0700, Jaime A. Headden wrote: 
The
structure in the megalancosaurs may have supported a
ceratinous or scaly structure that could dig into bark
and allow the animal to orient its body without
fearing instability on a more-or-less vertical trunk
[I'm imagining silky anteaters, here].

Another example is the living family Anomaluridae, the scaly-tailed flying "squirrels" of Africa, that use scale-like structures on the ventral surface of the tail for support when clinging vertcally to tree limbs.
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Ronald I. Orenstein Phone: (905) 820-7886
International Wildlife Coalition Fax/Modem: (905) 569-0116
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