Unspecified localities [Choctawhatchee Formation] (Miocene of the United States)

Where: Florida (30.5° N, 84.2° W: paleocoordinates 30.7° N, 82.5° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Choctawhatchee Formation (Alum Bluff Group), Late/Upper Miocene (11.6 - 5.3 Ma)

• LITHOSTRATIGRAPHIC RELATIONS: From the Choctawhatchee Fm of the Alum Bluff Gp. AGE: Late Miocene age based on recent lithostratigraphy. STRATIGRAPHIC POSITION: General list for the Choctawhatachee Fm.

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; unlithified sandstone

• No reported geologic or paleoenvironmental data. Probably shallow water siliciclastic depositional environment.
• LITHOLOGY: Unknown, but assumed to be similar to other parts of the Choctawhatchee Fm. LITHIFICATION: Unlithified, as for other collections from the Choctawhatchee Fm.

Size class: macrofossils

Collection methods: surface (float), surface (in situ),

• COLLECTOR: Unknown, possibly Sellards or Mansfield. REPOSITORY: Unknown, possibly USNM or Florida Geological Survey.

Primary reference: W. C. Mansfield. 1932. Miocene pelecypods of the Choctawatchee Formation of Florida. Florida State Geological Survey Bulletin 8 [A. Miller/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 91537: authorized by Austin Hendy, entered by Austin Hendy on 01.10.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Limited to taxon mentioned in text. NOMENCLATURE: Authoritative publication, with modern nomenclature, and species-resolution identification.
Show authors, comments, and common names
Gastropoda
 Neogastropoda - Columbellidae
Sincola (Sinaxila) gunteri1
 Neogastropoda - Muricidae
Poirieria (Panamurex) alaquaensis3
Poirieria (Panamurex) alaquaensis3 Mansfield 1935 murex snail
Bivalvia
 Solemyida - Nucinellidae
"Pleurodon gunteri n. sp." = Nucinella gunteri
"Pleurodon gunteri n. sp." = Nucinella gunteri Mansfield 1932 Nut Clam
Thecostraca
 Balanomorpha - Balanidae
Balanus sp.2, Balanus leonensis2, Balanus ochlockonensis2, Balanus aff. improvisus2, Balanus bloxhamensis2, "Balanus talquinensis" = Paraconcavus talquinensis2
Balanus sp.2 Da Costa 1778 barnacle
Balanus leonensis2 Weisbord 1966 barnacle
Balanus ochlockonensis2 Weisbord 1966 barnacle
Balanus aff. improvisus2 Darwin 1854 barnacle
Balanus bloxhamensis2 Weisbord 1966 barnacle
"Balanus talquinensis" = Paraconcavus talquinensis2 Weisbord 1966 barnacle
 Scalpellomorpha - Scalpellidae
Scalpellum gibbum2
Scalpellum gibbum2 Pilsbry 1916 barnacle
1Jung 1989; 2Ross and Newman 1967; 3Vokes 1970