Middle Jurassic ostracods of the Częstochowa Region (Poland)
Janusz Błaszyk
Acta Palaeontologica Polonica 12 (1), 1967: 3-75
The paper gives a description of Middle Jurassic ostracods from the Jaworznik, Choroh and Iwanowice Wielkie borings in Central Poland. They belong to the families: Polycopidae, Cyfherellidae, Bairdiidae, Cyprididae and Cytheridae. Of 36 examined species and subspecies, 23 species and 4 subspecies are considered new ones. Within some species, the ontogenetic development and sexual dimorphism are analysed. Remarks are added on the geographical and stratigraphic distribution of the ostracods investigated.
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