Fig. 1. A in Mississippian chondrichthyan fishes from the area of Krzeszowice, southern Poland

Fig. 1. A. Position of the study area (square) against the outline of Poland and Vistula River. B. Approximate positions of the studied samples: sample A from Czatkowice Quarry (arrow) and Cz-1 from Czerna (asterisk); black lines, paved roads, open square with a cross, Carmelites' Monastery. C. Close-up of the area at NW Czerna (marked in B) showing the outcrops of Mississippian limestone accessible around 1970; asterisk, possible position of sample Cz-1; from Zajączkowski (1975), modified.