Late Ordovician brachiopod assemblage of Hiberno‐Salairian type from Central Kazakhstan

Igor F. Nikitin, Leonid E. Popov, Lars Erik Holmer

1996

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DOI 10.1080/11035899609546233
Data confidence 70 medium
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Abstract

Late Ordovician (late Caradoc to early Ashgill) brachiopods are described from a carbonate mound within the Dulankara Regional Stage, northern Betpak‐Dala Desert, central Kazakhstan. The described fauna represents a part of a diverse Hiberno‐Salairian brachiopod assemblage, including three species of Ungulate brachiopods and nine species of articulate brachiopods. Two new early athyridide genera and species, Kellerella ditissima and Nikolaispira rasilis, are described along with four other new species of articulate brachiopods, Ptychopleurella aleksandrovae, Parastrophina tersa, Parastrophinella portentosa, Rostricellula sarysuica. Parastrophina angulosa nucula subsp. nov. represents a geographic variety of a species previously known from the Late Ordovician Boda Limestone of Sweden. The whole fauna is tabulated. Nikitin, I.F., Popov, L.E. & Holmer, L.E., 1996: Late Ordovician bra‐chiopod assemblage of Hiberno‐Salairian type from Central Kazakhstan. GFF, Vol. 118 (Pt. 2, June), pp. 83–96. Stockholm. ISSN 1103–5897.