Fairhaven Cliffs, Zone 3b (Miocene of the United States)

Where: Anne Arundel County, Maryland (38.7° N, 76.6° W: paleocoordinates 39.0° N, 72.6° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Fairhaven Member (Calvert Formation), Burdigalian (20.4 - 16.0 Ma)

• Zone 3b

• bed-level stratigraphic resolution

Environment/lithology: foreshore; diatomaceous, silty claystone

• Marine marginal environment containing Gyrolithes (Lebensspur)
• no lithologic description given

Size class: macrofossils

Preservation: original phosphate

Reposited in the USNM

Collection methods: surface (in situ),

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: taxonomic analysis

PaleoDB collection 45511: authorized by Mark Uhen, entered by Mark Uhen on 26.10.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Lucinida - Lucinidae
Chondrichthyes
 Lamniformes - Lamnidae
"Oxyrhina sillimani" = Isurus sillimanii1
"Oxyrhina sillimani" = Isurus sillimanii1 Gibbes 1847 mako shark
Mammalia
 Sirenia - Dugongidae
"Metaxytherium calvertense" = Metaxytherium crataegense3
"Metaxytherium calvertense" = Metaxytherium crataegense3 Simpson 1932 dugong
 Cetacea - Squalodelphinidae
Phocageneus venustus2 Leidy 1869 toothed whale
 Cetacea - Eurhinodelphinidae
Schizodelphis sulcatus4 Gervais 1853 toothed whale