USGS Horn Island test hole, 61.4 ft (unit 3) (Holocene of the United States)

Where: Mississippi (30.2° N, 88.7° W: paleocoordinates 30.2° N, 88.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Holocene (0.0 - 0.0 Ma)

• STRATIGRAPHIC RELATIONS: From an unnamed lithostratigraphic unit. AGE: Holocene, on the basis of pollen and foraminiferal biostratigraphy. STRATIGRAPHIC POSITION: From unit 3, 61.4 ft.

• bed-level stratigraphic resolution

Environment/lithology: coastal; unlithified, fine-grained, coarse sandstone

• ENVIRONMENT: Shallow-marine, siliciclastic environment.
• SPECIFIC LITHOLOGY: Fine-coarse sandstone. LITHIFICATION: Unlithified, based on age.

Size class: macrofossils

Preservation: original aragonite

Collected by USGS; reposited in the USGS

Collection methods: core,

• COLLECTOR: USGS. REPOSITORY: USGS.

Primary reference: G. S. Gohn, G. L. Brewster-Wingard, T. M. Cronin, L. E. Edwards, T. G. Gibson, M. Rubin, and D. A. Willard. 1996. Neogene and Quaternary geology of a stratigraphic test hole on Horn Island, Mississippi Sound. United States Geological Survey Open File Report 96(20A) [A. Hendy/A. Hendy/P. Wagner]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 92525: authorized by Austin Hendy, entered by Austin Hendy on 17.11.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for gastropods and bivalves. NOMENCLATURE: Not an authoritative publication, but with modern nomenclature and species-resolution identifications where possible.
Echinoidea
  -
Echinoidea indet. Leske 1778 sea urchin
Gastropoda
 Neogastropoda - Olividae
Olivella sp. Swainson 1831 olive snail
 Neogastropoda - Columbellidae
Anachis sp. Adams and Adams 1853 snail
 Neogastropoda - Nassariidae
"Nassarius acutus" = Nassarius (Nassarius) acutus
"Nassarius acutus" = Nassarius (Nassarius) acutus Say 1822 snail
Bivalvia
 Cardiida - Semelidae
Abra aequalis Say 1822 abra
 Cardiida - Mactridae
Mulinia lateralis Say 1822 clam
 Arcida - Arcidae
"Anadara transversa" = Anadara (Larkinia) transversa
"Anadara transversa" = Anadara (Larkinia) transversa Say 1822 ark
 Nuculanida - Nuculanidae
Nuculana acuta Conrad 1832 pointed nut clam
Malacostraca
 Decapoda -
Decapoda indet. Latreille 1802 decapod