Acta Palaeontologica Polonica

Westphalian xiphosurans (Chelicerata) from the Upper Silesia Coal Basin of Sosnowiec, Poland

Paweł Filipiak and Wojciech Krawczyński

Acta Palaeontologica Polonica 41 (4), 1996: 413-425

The xiphosurans Bellinurus lunatus (Martin, 1809) and Euproops rotundatus (Prestwich, 1840) are described from sideritic concretions hosted by the Orzesze Beds (Westphalian B) in the Polish region of the Upper Silesia Coal Basin.
Associated flora and fauna include terrestrial plant remains and a single palaeodictyopteran insect nymph. As no marine influences are known in this area since the Namurian A, these xiphosurans were probably fresh-water organisms.

Key words: Xiphosura, Carboniferous, Westphalian, Upper Silesia, Poland.

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