VA-10 (Miocene of the United States)

Where: Maryland (37.2° N, 76.5° W: paleocoordinates 37.4° N, 74.7° W)

When: Yorktown Formation, Late/Upper Miocene (11.6 - 5.3 Ma)

• 14 feet below the top of the cliff

Environment/lithology: marginal marine; unlithified, glauconitic, argillaceous, calcareous sandstone

• Yellow argillaceous, calcareous, limonitic, glauconitic sand

Size class: microfossils

Primary reference: D. S. Malkin. 1953. Biostratigraphic study of Miocene Ostracoda of New Jersey, Maryland, and Virginia. Journal of Paleontology 27(6):761-799 [D. Wright/D. Wright]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 191407: authorized by David Wright, entered by David Wright on 26.01.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Ostracoda
 Podocopida - Cytherettidae
Cytheretta burnsi
Cytheretta burnsi Ulrich and Bassler 1904 ostracod
 Podocopida - Cytheruridae
Eocytheropteron yorktownensis n. sp., Cytherura forulata, Paracytheridea similis n. sp., Paracytheridea shattucki
Eocytheropteron yorktownensis n. sp. Malkin 1953 ostracod
Cytherura forulata Edwards 1944 ostracod
Paracytheridea similis n. sp. Malkin 1953 ostracod
Paracytheridea shattucki Ulrich and Bassler 1904 ostracod
n. ssp. curta
 Podocopida - Trachyleberididae
Trachyleberis martini
Trachyleberis martini Ulrich and Bassler 1904 ostracod
 Podocopida - Cytherideidae
Cytherideis agricola, Cytherideis ashermani, Cytherideis rugipustulosa, Cytherideis echolsae n. sp., Cytherideis subaequalis, Clithrocytheridea virginiensis n. sp., Anomocytheridea floridana
Cytherideis agricola Howe and Hadley 1935 ostracod
Cytherideis ashermani Ulrich and Bassler 1904 ostracod
Cytherideis rugipustulosa Edwards 1944 ostracod
Cytherideis echolsae n. sp. Malkin 1953 ostracod
Cytherideis subaequalis Ulrich and Bassler 1904 ostracod
n. ssp. ulrichi
Clithrocytheridea virginiensis n. sp. Malkin 1953 ostracod
Anomocytheridea floridana Howe and Hough 1935 ostracod
 Podocopida - Loxoconchidae
Loxoconcha reticularis
Loxoconcha reticularis Edwards 1944 ostracod
 Podocopida - Hemicytheridae
"Hemicythere conradi" = Malzella conradi
"Hemicythere conradi" = Malzella conradi Howe et al. 1935 ostracod
 Podocopida - Leguminocythereidae
Campylocythere laevissima, Leguminocythereis whitei
Campylocythere laevissima Edwards 1944 ostracod
Leguminocythereis whitei Swain 1951 ostracod
 Podocopida - Bairdiidae
Bairdia spp.
Bairdia spp. M'Coy 1844 ostracod