AMNH Loc. 1057 - Alum Bluff [Chipola Fm] (Miocene of the United States)

Where: Liberty County, Florida (30.5° N, 85.0° W: paleocoordinates 30.9° N, 81.3° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Chipola Formation (Alum Bluff Group), Burdigalian (20.4 - 16.0 Ma)

• STRATIGRAPHIC RELATIONS: From Chipola Fm of the Alum Bluff Gp. AGE: Direct date from 87Sr/86Sr isotope dating of fossils from elsewhere in Chipola Fm [=Burdigalian age]. STRATIGRAPHIC POSITION: Unknown position with formation.

• bed-level stratigraphic resolution

Environment/lithology: coastal; unlithified, medium-grained, coarse, shelly/skeletal sandstone

• ENVIRONMENT: Deposited in shallow, warm to temperate waters, mostly in a marginal marine environment.
• SPECIFIC LITHOLOGY: Medium-coarse grained sand beds, shelly. LITHIFICATION: Unlithified.

Size class: macrofossils

Preservation: original aragonite, original calcite

Reposited in the AMNH

Collection methods: bulk, sieve,

• COLLECTOR: Squires and Heaslip (1955). REPOSITORY: AMNH (AMNH Loc. 1057)

Primary reference: A. J. W. Hendy, D. P. Buick, K. V. Bulinski, C. A. Ferguson, and A. I. Miller. 2008. Unpublished census data from Atlantic coastal plain and circum-Caribbean Neogene assemblages and taxonomic opinions. [A. Hendy/A. Hendy/A. Hendy]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 68971: authorized by Austin Hendy, entered by Austin Hendy on 14.02.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

• TAXONOMY: Identified by A. Hendy; nomenclature based on revision of Gardner (1926) [PBDB Ref# 11206].
Gastropoda
 Trochoidea - Turbinidae
Turbinidae indet. Rafinesque 1815 snail
 Sorbeoconcha - Naticidae
Sinum chipolanum Dall 1892 moon snail
 Neogastropoda - Olividae
Olivella (Olivella) sp. Swainson 1831 olive snail
 Neogastropoda - Melongenidae
Busycon sicyoides Gardner 1947 whelk
 Neogastropoda - Nassariidae
"Uzita sp." = Nassarius (Uzita)
"Uzita sp." = Nassarius (Uzita) Adams and Adams 1853 snail
 Neogastropoda - Fasciolariidae
"Fasciolaria kindlei" = Triplofusus kindlei
"Fasciolaria kindlei" = Triplofusus kindlei Maury 1910 snail
 Neogastropoda - Marginellidae
Marginella sp. Lamarck 1799 margin shell
LISTED AS: M. (Egouena) sp.
 Neogastropoda - Conidae
Conus chipolanus Dall 1896 cone shell
 Sorbeoconcha - Thersiteidae
Orthaulax gabbi Dall 1890 snail
 Sorbeoconcha - Cypraeidae
"Cypraea" sp. Linnaeus 1758 cowry
 Cerithioidea - Cerithiidae
Cerithium sp. Bruguière 1789 cerith snail
 Cerithioidea - Turritellidae
Turritella dalli Gardner 1947 turret shell
Turritella segmenta Gardner 1947 turret shell
Bivalvia
 Carditida - Carditidae
 Lucinida - Lucinidae
Here glenni Dall 1903 clam
 Cardiida - Cardiidae
 Cardiida - Tellinidae
"Metis chipolana" = Florimetis chipolana, "Moerella sp." = Tellina (Moerella)
"Metis chipolana" = Florimetis chipolana Dall 1900 tellin clam
"Moerella sp." = Tellina (Moerella) Fischer 1887 tellin clam
 Cardiida - Chamidae
 Cardiida - Veneridae
Pitar (Pitar) sp. Römer 1857 venus clam
Dosinia chipolana Dall 1903 venus clam
Lirophora (Lirophora) funiakensis Gardner 1947 venus clam
Mercenaria langdoni Dall 1900 quahog
 Cardiida - Mactridae
Spisula cf. craspedota Gardner 1947 clam
 Ostreida - Ostreidae
Cubitostrea rugifera Dall 1898 oyster
 Arcida - Arcidae