page_title: St. Marys Formation
section_title: Vertebrate Paleofauna
hierarchical_section_title: St. Marys Formation / Vertebrate Paleofauna
caption_attribution_description: scup, Stenotomus chrysops, 103mm SL. Chesapeake Bay Bridge and Tunnel, Northampton County, VA - 09/13/12. Caught by VIMS Trawl Survey. Photo by Robert Aguilar, Smithsonian Environmental Research Center.
context_page_description: The St. Marys Formation is a geologic formation in Maryland and Virginia. It preserves fossils dating back to the Miocene Epoch of the Neogene period. It is the youngest Miocene formation present in the Calvert Cliffs and is part of the Chesapeake Group.
context_section_description: A diverse vertebrate paleofauna is known from the St. Marys Formation:
caption: Extant Stenotomus chrysops
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