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Re: ptero and bat origins

David Marjanovi (david.marjanovic@gmx.at) wrote:

<That the name Scrotifera exists suggests that some synapomorphy exists
that fits in the molecular tree, but I don't know it.>

  This might be nothing. Scrota (Lat.) trash bin, a lot [of unrelated
things]; also, the root of scrotum [no explanation needed, I'm sure]; fera
(Lat.) beast. Refers to the presence of a scrotum in these forms as
opposed to their outgroup. It may be a literal trashbin, given the shear
volume of symplesiomorphic features of this clade, which excludes
afrotheres, the tenrec-shrew clade, and xenarthrans.


Jaime A. Headden

  Little steps are often the hardest to take.  We are too used to making leaps 
in the face of adversity, that a simple skip is so hard to do.  We should all 
learn to walk soft, walk small, see the world around us rather than zoom by it.

"Innocent, unbiased observation is a myth." --- P.B. Medawar (1969)

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