Fig. 1 in Like phoenix from the ashes: How modern baleen whales arose from a fossil "dark age"

Fig. 1. Location of major formations that have yielded diverse odontocete assemblages, but few or no mysticetes. Sources: Clallam Formation, Nye Mudstone, and Jewett Sand (Barnes 1977; Crowley et al. 1999); Calvert Formation (Gottfried et al. 1994); Pungo River Formation (Whitmore and Kaltenbach 2008); Chilcatay Formation (Bianucci et al. 2018); Upper Marine Molasse (Pilleri 1986a, b); Libano Sandstone and "Pietra leccese" (Bianucci and Landini 2002); Central Paratethys (Grigorescu and Kazár 2006).