Dear Rachel,
have you tried a cervical vertebra of small cetacean?
I have only a harbour porpoise in my collection which does not fit
exactly but it is quite close.
Best
Christian
--
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Am 19.05.2012 um 19:46 schrieb Rachel Applefield:
> Dear fellow Zooarchaeologists,
>
> Below is a link to several photos of a bone fragment excavated from
> the Chalcolithic site in Madrid called "Camino de las Yeseras." We
> have been unable to identify this bone fragment using the
> collection of the Laboratorio de Arqueozoología at the Universidad
> Autónoma de Madrid.
>
> We compared the fragment to bones of mammals, birds, as well as
> reptiles and have thus far been unsuccessful in finding a match.
> The fragment appears to be symmetrical which leads us to believe it
> may be a part of the axial skeleton; however, perhaps it is part of
> the appendicular skeleton. Additionally, at first we thought it
> may be a bird bone because of the inner structure (see photos), but
> after comparing it with many bird skeletons and not finding any
> similar morphology, we remain unsure about that idea. Because we
> do not know what the skeletal element is, I have arbitrarily
> indicated the different sides of the fragment to orient the photos.
>
> http://zooarchaeology.ning.com/photo/albums/frag-from-a121-elem01-ue03
>
> If anyone has a clue as to what particular skeletal element this
> could be and to which species it may belong, that would be
> extremely helpful.
>
>
> Many thanks,
>
> Rachel Applefield
> Universidad Autónoma de Madrid
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