LATE ORDOVICIAN BRACHIOPOD ASSEMBLAGE OF HIBERNO-SALAIRIAN TYPE FROM CENTRAL KAZAKHSTAN

Late Ordovician (late Caradoc to early Ashgill) brachiopods are descri bed from a carbonate mound within the Dulankara Regional Stage, northe rn Betpak-Dala Desert, central Kazakhstan. The described fauna represe nts a part of a diverse Hiberno-Salairian brachiopod assemblage, inclu ding three species of lingulate brachiopods and nine species of articu late brachiopods. Two new early athyridide genera and species, Kellere lla ditissima and Nikolaispira rasilis, are described along with four other new species of articulate brachiopods, Ptychopleurella aleksandr ovae, Parastrophina tersa, Parastrophinella portentosa, Rostricellula sarysuica. Parastrophina angulosa nucula subsp. nov. represents a geog raphic variety of a species previously known from the Late Ordovician Boda Limestone of Sweden. The whole fauna is tabulated.