A new species of inarticulate brachiopods, Discinisca polonica sp. n., from the Korytnica Basin (Middle Miocene; Holy Cross Mountains, Central Poland)

Urszula Radwańska, Andrzej Radwański


A new species of inarticulate brachiopods Discinisca polonica sp. n., is established for the specimens represented by isolated dorsal valves, and occurring in the littoral deposits developed along the shores of the Korytnica Basin (Middle Miocene, Badenian Holy Cross Mountains, Central Poland). The new species, the dorsal valves of which are characterized by their small size, low-conical to strongly and irregularly depressed shape, and by the distinct robbing, bears some similarities both to the species D. scutellum (DREGER) from the contemporaneous deposits of the Vienna Basin, and to some Recent species typical on the Indo-Pacific realm.
The bearing of the new species on the content of littoral organic communities of the Korytnica Basin, and on the recognition of its tropical conditions and lndo-Pacific bioprovincial affinities are briefly discussed.

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