Coniopteris (Birisia ?) grebencaensis Philippova, Birisia jelisejevii (Krysht.) Philippova



Center specimen is Birisia jelisejevii (Krysht.) Philippova.



Grebenka, Yelisseev Locality, Site 11e

Locality Map

Geological Map

Sedimentary Log



This photograph was made in the field. The specimen is in the collection of the Geological Institute, Russian Academy of Sciences, Moscow, Russia. For further details of the context of the collection see Spicer et al. (2002).