Zemes un vides zinātnes Earth and Environment Sciences - Latvijas ...

O.A. Lebedev. A new tetrapod from Russia
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Continuation of the Table
One of the problems of Palaeozoic biota reconstruction is determining whether
fossil remains found in the oryctocoenosis are autochthonous or allochthonous. This is
usually estimated by use of transportation traces on the skeletal elements, more precisely
the degree of post mortem wear. If this wear is considerable, it almost certainly indicates
long transportation and possible introduction of alien animal remains to the
taphocoenosis. The most accurate approach towards this problem is to regard as
autochthonous only articulated or at least semi-articulated skeletal parts. In Table I this
regards only the East Greenland and Andreyevka localities. However disarticulated,
the Red Hill remains were also regarded as autochthonous by Daeschler (2000). All the
rest are formally regarded as allochtonous despite the possibility of long pebbling within
the same basin and biotope which was the original dwelling place. This indeterminate