Sun Oil Co. well, Core 44 (3552-3568 feet) (Devonian of the United States)

Where: Suwannee County, Florida (30.3° N, 82.8° W: paleocoordinates 67.5° S, 32.1° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Unknown Formation, Lochkovian (419.2 - 410.8 Ma)

• Listed as Llanvirn\Llandeilo

• group of beds-level stratigraphic resolution

Environment/lithology: marine; poorly lithified, black shale

• Author's analysis of life habits leads them to shallow water conclusion, but their logic is questionable. Probably a cool-water assemblage
• Black shale

Size classes: macrofossils, mesofossils

Collection methods: Well core, sample covers 4.88 m (16 ft.) section; early Devonian, "about Lochkovian"

Primary reference: J. Pojeta, J. Kriz, and J. M. Berdan. 1976. Silurian-Devonian pelecypods and Paleozoic stratigraphy of subsurface rocks in Florida and Georgia and related Silurian pelecypods from Bolivia and Turkey. United States Geological Survey Professional Paper 879:1-32 [P. Novack-Gottshall/P. Hearn/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 75630: authorized by Phil Novack-Gottshall, entered by Paul Hearn on 23.10.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Pholadomyacean indet.
"Incomplete anterior ends of a right and a left valve"
Lophophorata
 Tentaculitida - Tentaculitidae
Tentaculites sp. von Schlotheim 1820
Bivalvia
 Ostreida - Pterineidae
Actinopteria "indet. sp. A" Hall 1884 oyster
"One deformed left valve"
Actinopteria "indet. sp. B" Hall 1884 oyster
"One left and one right valve"
 Pectinida - Pterinopectinidae
Pterinopecten sp. Hall 1883 scallop
"Many small shells"
 Cardiida - Kalenteridae
Pleurodapis sp. clam
"Five incomplete specimens of which three are right and two are left valves"
 Modiomorphida - Modiomorphidae
Modiomorpha sp. Hall and Whitfield 1869 clam
"One crushed right valve"
 Cardiidia - Grammysiidae
Prothyris sp. Meek 1871 clam
"Five specimens, four right valves and one left valve"
 Trigoniida - Eoschizodidae
Eoschizodus sp. Cox 1951 clam
"Four crushed or distorted specimens of which one is articulated"
 Nuculanida - Malletiidae
Arisaigia sp. McLearn 1918 clam
"One posterior fragment"
Arisaigia cf. postornata McLearn 1918 clam
"A deformed right valve"
 Nuculanida - Cucullellidae
Nuculites "indet. sp. A" Conrad 1841 clam
"One left valve"
Nuculites "indet. sp. B" Conrad 1841 clam
"Four right and four left valve"
Gastropoda
 Bellerophontida - Plectonotidae
Euchelicerata
 Eurypterida - Pterygotidae
Pterygotus floridanus Kjellesvig-Waering 1950 eurypterid
Deuteropoda
  -
Ostracoda indet. Latreille 1802 ostracod
"Smooth"