Fig. 1 in Middle and Late Jurassic tube-dwelling polychaetes from the Polish Basin: diversity, palaeoecology and comparisons with other assemblages

Fig. 1. Palaeogeography and geology of the investigated area. A. Paleogeographical sketch-map of Europe during the Middle Jurassic (from Leonowicz 2016, modified after Ziegler 1990). AM, Armorican Massif; BM, Bohemian Massif; CEBS, Central European Basin System; CNSD, Central North Sea Dome; IBM, Iberian Meseta,; IM, Irish Massif; LBM, London-Brabant Massif; MCA, Meta-Carpathian Arc; RHB, Rockall-Hatton Bank; UH, Ukrainian High. B. Geological sketch-map of Poland without the Cenozoic cover with three sampled localities indicated. HCM, Holy Cross Mountains; PJ, Polish Jura; 1, Bolęcin; 2, Zalas; 3, Małogoszcz. C. Geological map of the Polish Jura area without Quaternary cover, with sampled localities indicated (after Zatoń and Taylor 2009b).