Horseshoe CrabKingdom: Animalia
Sub Period: Pennsylvanian
International Age: Bashkirian
Acquired by: Purchase/Trade
Length: 3 cm
'Porabka-Klimontóv' coal mine
Siderite nodules coeval with those of Mazon Creek and containing comparable fauna and flora are also found in Great Britain and Poland, where this Euproops originated.
Filipiak, P. & Krawczynski, W. (1996). Westphalian xiphosurans (Chelicerata) from the Upper Silesia Coal Basin of Sosnowiec, Poland. - Acta Palaeontologica Polonica 41, 4, 413-425.