Acta Palaeontologica Polonica

Upper Jurassic nerineacean gastropods from the Holy Cross Mts (Poland)

Józef Wieczorek

Acta Palaeontologica Polonica 24 (3), 1979: 299-350

Twenty five species and subspecies of the Upper Jurassic nerineaceans including one new genus (Lewinskia gen. n.), 3 new species (Elatioriella sanctacrucensis sp. n., Fibuloptygmatis mieronicensis sp. n., and Phaneroptyxis sulejovensis sp. n.), and 2 new subspecies (Cossmannea desvoidyi baltovensis subsp. n., C. d. karczewskii subsp. n.) are erected. The nerineaceans inhabited mostly shallow water carbonate depositional environments. Nerineacean beds formed under the optimum ecological conditions and slow sedimentation rate.

Key words: Nerineacean gastropods, taphonomy, paleoecology, shell ontogeny, taxonomy, biostratigraphy, Oxfordian, Kimmeridgian, Central Poland.

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