Where: Calvert County, Maryland (38.6° N, 76.5° W: paleocoordinates 38.8° N, 73.2° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Plum Point Member (Calvert Formation), Langhian (16.0 - 13.8 Ma)
• bed-level stratigraphic resolution
Environment/lithology: estuary or bay; yellow, sandy claystone
Size class: macrofossils
Primary reference: G. B. Shattuck. 1904. Geological and paleontological relations, with a review of earlier investigations. Maryland Geological Survey Miocene Text xxxiii-clv [M. Uhen/M. Uhen]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 70818: authorized by Mark Uhen, entered by Mark Uhen on 09.04.2007, edited by Evangelos Vlachos and Margot Nelson
Creative Commons license: CC BY (attribution)
Taxonomic list
Aves | |
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Reptilia | |
Psephophorus polygonus4 von Meyer 1847 leatherback Patches of dermal shield plates (USNM 358053), collected by George Fonger and Mr. Miron
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Procolpochelys grandaeva4 Leidy 1861 sea turtle Fused dentaries (USNM 442385), collected on beach by George Fonger, probably from SZ 10, 11, or 12
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Bairdemys miocenica4 Collins and Lynn 1936 sideneck turtle CMM-V-1765, second or third neural element. Collected from the Calvert Cliffs by James Kaltenbach about 1.2 km (0.75 mile) south of Plum Point Road in SZ 10, Plum Point Member, Calvert Formation (basal Middle Miocene)
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Mammalia | |
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"Leptophoca lenis" = Leptophoca proxima2
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