St. Marys Formation (Miocene of the United States)
Where: Calvert County, Maryland (38.4° N, 76.5° W: paleocoordinates 38.6° N, 73.4° W)
• coordinate based on political unit
When: Miocene (23.0 - 5.3 Ma)
• formation-level stratigraphic resolution
Environment/lithology: terrestrial
Primary reference: R. H. Tedford and M. E. Hunter. 1984. Miocene marine-nonmarine correlations, Atlantic and Gulf Coastal Plains, North America. Palaeography, Palaeoclimatology, Palaeoecology 47:129-151 [J. Alroy/J. Alroy/M. Uhen]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 18593: authorized by John Alroy, entered by John Alroy on 15.05.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
• exact provenance not clear and county assignment is a guess
Show authors, comments, and common names
| Mammalia | |
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Hippotherium sp. Kaup 1832 hipparionine horse | |