EARLY CRETACEOUS VERTEBRATE LOCALITY SHESTAKOVO, WESTERN SIBERIA, RUSSIA: A REFUGIUM FOR JURASSIC RELICTS?

Abstract

Early Cretaceous vertebrates at Shestakovo were known since 1953, when 2 partial Psittacosaurus skeletons were found. Intensive excavations and screen-washing at Shestakovo 1 and 3 localities, carried out since 1995 by a Tomsk University team, with participation of specialists from Moscow and St. Petersburg, revealed diverse fauna of micro- and macrovertebrates, which consists of two distinct blocks.