Fig. 1 in Orthid brachiopods from the Middle Ordovician of the Central Iberian Zone, Spain

Fig. 1. Map of the main Ordovician–Silurian outcrops of Iberian Massif, with locations of the studied fossiliferous localities, including the Portuguese localities of Valongo and Arouca. Abbreviations: AC, Almodóvar del Campo; AD, Almuradiel; AQ, Aldeaquemada; CC, Calzada de Calatrava; CHI, Chillón; NE, Navas de Estena; SP, San Pablo de Los Montes; VM, Viso del Marqués; VPA, Ventas con Peña Aguilera. A, B, C are the representative areas of lithostratigraphic sections detailed in Fig. 2.