title: The Early Sarmatian bryozoan Celleporina medoborensis sp. nov. from the Medobory reefs of western Ukraine (Central Paratethys)
abstract: Moundlike, glob u lar to hemi spher i cal bryo zoan col o nies of Celleporina medoborensis sp. nov. are doc u mented from the cal car e ous organodetrital, slightly marly fa cies of the Lower Sarmatian (Volhynian) serpulid-microbialite reefs, in the Polupanivka and Ditkivtsi quar ries (Medobory Hills), lo cated at the north east ern mar gin of the Carpathian Fore land Ba sin (Cen tral Paratethys) in west ern Ukraine. The col o nies of C. medoborensis are multilamellar, of ten with a subcircular 
journal: Geological Quarterly