USGS Loc. 25309 - Urbana Creek [Cobham Bay Mbr, Eastover Fm] (Miocene of the United States)

Also known as Kline Loc. 502

Where: Middlesex County, Virginia (37.6° N, 76.6° W: paleocoordinates 37.8° N, 74.6° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Cobham Bay Member (Eastover Formation), Tortonian (11.6 - 7.2 Ma)

• Urbana Creek, Middlesex; Upper Miocene (Tortonian), Cobham Bay Mbr, Eastover Formation. From beach to 1.0 m above beach.

• bed-level stratigraphic resolution

Environment/lithology: offshore; shelly/skeletal, calcareous sandstone

• Open shelf conditions
• Sandstone, with heavily calcified barnacle/mollusk shell hashes.

Size class: macrofossils

Reposited in the USGS

Collection methods: quarrying,

• Collected from individuals specimens.

Primary reference: D. B. Kline. 1997. Systematics and biostratigraphy of Miocene Cirripedia of the Chesapeake Group; Maryland, North Carolina, and Virginia. Unpublished Masters thesis, University of North Carolina, Wilmington [A. Miller/A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 51719: authorized by Austin Hendy, entered by Austin Hendy on 14.06.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

• Exhaustive for Cirripdia. Not complete with respect to molluscan fauna. Type material is reposited in USNM, ANSP, and University of North Carolina, Wilmington.
Thecostraca
 Balanomorpha - Balanidae
Paraconcavus neusensis Zullo and Miller 1986 barnacle
Chesaconcavus sp. Zullo 1992 barnacle
Chesaconcavus myosulcatus Zullo 1992 barnacle
Chesaconcavus proteus Conrad 1834 barnacle