Fig. 1 in Globicephaline whales from the Mio-Pliocene Purisima Formation of central California, USA

Fig. 1. Geographic and stratigraphic context of Purisima Formation fossil globicephalines. A. Geologic map of Purisima Formation exposures in Northern California (modified from Boessenecker 2011). B. Location of inset map in California and North America. C. Stratigraphic column of the Santa Cruz section of the Purisima Formation, showing stratigraphic control of globicephaline fossils (modified from Powell et al. 2007 and Boessenecker and Perry 2011). Skull and petrosal symbols indicate stratigraphic position of fossils reported herein. Abbreviations: ms, mudstone; sls, siltstone; ss, sandstone. Asterisks denote age determinations.