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Bitner, M. A.; Pisera, A. (1979). Brachiopods from the Upper Cretaceous chalk of Mielnik (eastern Poland). Acta geologica Polonica. 29: 67-88.
467086
Bitner, M. A.; Pisera, A.
1979
Brachiopods from the Upper Cretaceous chalk of Mielnik (eastern Poland)
Acta geologica Polonica
29: 67-88
Publication
Available for editors
The Upper Cretaceous chalk of Mielnik (Eastern Poland) yields a rich assemblage of brachiopods that contains 23 species, the two genera and three species of which are described new: Cryptoporella antiqua gen. et sp. n., Leptothyrellopsis polonicus gen. et sp. n., and Dalligas mielnicensis sp. n. Associated are diverse species of the genera Lingula Bruguiere, Terebratulina d'Orbigny, Rugia Steinich, Argyrotheca Dall, and Kingena Davidson. The recognized assemblage is characterized by small-sized, minute forms. Stratigraphically, it indicates the presence of the brachiopod zones 2 and 3 of Surlyk, corresponding to the lowermost ·part of the Lower Maastrichtian.
Date action by
Aemula inusitata Steinich, 1968 † (additional source)
Argyrotheca hirundo (Hagenow, 1842) † (basis of record) Cryptoporella Bitner & Pisera, 1979 † (original description) Cryptoporella antiqua Bitner & Pisera, 1979 † (original description) Dalligas mielnicensis Bitner & Pisera, 1979 † (original description) Leptothyrellopsis Bitner & Pisera, 1979 † (original description) Leptothyrellopsis polonicus Bitner & Pisera, 1979 † (original description) Magas chitoniformis (Schlotheim, 1813) † (basis of record) Rugia Steinich, 1963 † (additional source) Rugia acutirostris Steinich, 1965 † (basis of record) Rugia spinosa Surlyk, 1970 † (basis of record) Rugia tenuicostata Steinich, 1963 † (additional source) |