TY - JOUR N2 - The loose, small zooecia of the cheilostome bryozoans have been discovered in the lowermost part of the La Meseta Formation on Seymour (Marambio) Island. They systematically include the representatives of Beanidae Canu et Bassler, Catenicellidae Busk, Savignyellidae Levinsen, and Calwelliidae MacGillivra y. The bryozoan assemblage is comprised of separate, small−sized internal moulds dominated by distinct, boat−shaped zooecia belonging to Beania , scarce, unizooidal internodes tentatively included into a ditaxiporine catenicellid ? Vasignyella , and representative of the family Savignyellidae. A few branched segments composed of multiserial zooecia arranged back to back were tentatively incorporated into ? Malakosaria . Beania , marks the oldest fossil record, whereas representatives of Savignyellidae along with ditaxiporine catenicellid and ? Malakosaria are for the first time reported from Antarctica. The relationship between the taxonomic composition, colony growth−patterns rep− resented by membraniporiform/petraliform, catenicelliform and cellariform, along with associated biota and sedimentary structures of the La Meseta Formation implies nearshore environment, with considerable wave action, and warm climatic conditions. L1 - http://www.czasopisma.pan.pl/Content/99596/PDF/10183_Volume36_Issue1_02_paper.pdf L2 - http://www.czasopisma.pan.pl/Content/99596 PY - 2015 IS - No 1 EP - 49 DO - 10.1515/popore−2015−0003 KW - Antarctica KW - Seymour Island KW - La Meseta Formation KW - Eocene KW - Bryozoans A1 - Hara, Urszula PB - Polish Academy of Sciences PB - Committee on Polar Research DA - 2015[2015.01.01 AD - 2015.12.31 AD] T1 - Bryozoan internal moulds from the La Meseta Formation (Eocene) of Seymour Island, Antarctic Peninsula SP - 25 UR - http://www.czasopisma.pan.pl/dlibra/publication/edition/99596 T2 - Polish Polar Research ER -