page_title: St. Marys Formation
section_title: Vertebrate Paleofauna
hierarchical_section_title: St. Marys Formation / Vertebrate Paleofauna
caption_attribution_description: English: Bandtail searobin ( Prionotus ophryas )
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 Bandtail searobin ( Prionotus ophryas )
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