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

Where: Suwannee County, Florida (30.0° N, 83.0° W: paleocoordinates 67.5° S, 32.8° W)

• coordinate estimated from map

• small collection-level geographic resolution

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

• Listed as Llanvirn\Llandeilo

• formation-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

Pholadomyacean indet.
"Incomplete anterior ends of a right and a left valve"
Ostracoda indet. Latreille 1802 ostracod
 Xiphosurida - Pterygotidae
 Tentaculitida - Tentaculitidae
Tentaculites sp. von Schlotheim 1820
 Pectinida - Pterinopectinidae
Pterinopecten sp. Hall 1883 scallop
"Many small shells"
 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"
 Cardiidia - Grammysiidae
Prothyris sp. Meek 1871 clam
"Five specimens, four right valves and one left valve"
 Modiomorphida - Modiomorphidae
Modiomorpha sp. Hall and Whitfield 1869 clam
"One crushed right valve"
 Pholadomyida -
Pleurodapis sp. clam
"Five incomplete specimens of which three are right and two are left valves"
 Trigoniida - Eoschizodidae
Eoschizodus sp. Cox 1951 clam
"Four crushed or distorted specimens of which one is articulated"
 Protobranchia -
Nuculites "indet. sp. A" Conrad 1841 clam
"One left valve"
Nuculites "indet. sp. B" Conrad 1841 clam
"Four right and four left valve"
Arisaigia sp. McLearn 1918 clam
"One posterior fragment"
Arisaigia cf. postornata McLearn 1918 clam
"A deformed right valve"
 Bellerophontida - Plectonotidae