Map of the rift domains preserved in the Bay of Biscay and their fossil analogues from the Pyrenean domain (after Tugend et al., 2014, 2015a including updates from Yang et al., 2020 towards Goban Spur and from Druet et al., 2018 and Cadenas et al., 2018 across the North Iberian Margin). The mapping of offshore structures is based on Thinon (1999), Thinon et al. (2003, 2009, 2018), Derégnaucourt and Boillot (1982) and Tugend et al. (2014). Aqui. M.: Aquitaine Margin; CIZ: Central Iberian Zone; WALZ: West Asturian-Leonese Zone; NASZ: North Armorican Shear Zone; SASZ: South Armorican Shear Zone; VF: Ventaniella Fault Zone; PTz: Pamplona Transfer Zone; STz: Santander Transfer Zone (from Roca et al., 2011). Red points correspond to the picking of marine magnetic anomalies A34y (Seton et al., 2014).