Summary: | Fig. 1. Phocid dispersal map. World map showing the likely origin of seals in the Paratethyan / Mediterranean basin (gray outline) and their westward dispersal. Both Phocinae (Leptophoca amphiatlantica, ~16 Ma) and Monachinae (Terranectes, ~ 11 Ma) crossed the Atlantic Ocean and settled on the western shore of the North Atlantic (black arrow with asterisks). The black rectangle indicates the Chesapeake group, the location of the oldest known phocine and monachine extinct seals in North America. Published as part of Rahmat, S. J., Koretsky, I. A., Osborne, J. E. & Alford, A. A., 2017, New Miocene Monachinae From The Western Shore Of The Chesapeake Bay (Maryland, Usa), pp. 221-242 in Vestnik Zoologii (Vestn. Zool.) 51 (3) on page 226, DOI:10.1515/vzoo-2017-0029, http://zenodo.org/record/6454233
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