Sun Oil Co. well, Core 44 (3552-3568 feet): Lochkovian, Florida

List of taxa
Where & when
Taphonomy & methods
Metadata & references
Taxonomic list
Bolliid indet.
Pholadomyacean indet.
"Incomplete anterior ends of a right and a left valve"
Ostracoda indet. Latreille 1802
Xiphosura - Xiphosurida - Pterygotidae
Pterygotus floridanus
Bivalvia - Pectinida - Pterinopectinidae
Pterinopecten sp. Hall 1883
"Many small shells"
Bivalvia - Ostreida - Pterineidae
Actinopteria informal indet. sp. A Hall 1884
"One deformed left valve"
Actinopteria informal indet. sp. B Hall 1884
"One left and one right valve"
Bivalvia - Grammysiidae
Prothyris sp. (Meek 1871)
"Five specimens, four right valves and one left valve"
Bivalvia - Modiomorphida - Modiomorphidae
Modiomorpha sp. Hall and Whitfield 1869
"One crushed right valve"
Bivalvia - Pholadomyida
Pleurodapis sp.
"Five incomplete specimens of which three are right and two are left valves"
Bivalvia - Trigoniida - Eoschizodidae
Eoschizodus sp. Cox 1951
"Four crushed or distorted specimens of which one is articulated"
Bivalvia - Protobranchia - Malletiidae
Nuculites informal indet. sp. A Conrad 1841
"One left valve"
Nuculites informal indet. sp. B Conrad 1841
"Four right and four left valve"
Arisaigia sp. McLearn 1918
"One posterior fragment"
Arisaigia cf. postornata McLearn 1918
"A deformed right valve"
Gastropoda - Bellerophontida - Plectonotidae
Plectonotus (Trinotophon) sp. Clarke 1899
Tentaculitida - Tentaculitidae
Tentaculites sp. von Schlotheim 1820
see common names

Country:United States State/province:Florida County:Suwannee
Coordinates: 30.0° North, 83.0° West (view map)
Paleocoordinates:67.5° South, 32.8° West
Basis of coordinate:estimated from map
Geographic resolution:small collection
Period:Devonian Epoch:Early/Lower Devonian
Stage:Lochkovian 10 m.y. bin:Devonian 1
Key time interval:Lochkovian
Age range of interval:419.20000 - 410.80000 m.y. ago
Stratigraphic resolution:formation
Stratigraphy comments: Listed as Llanvirn\Llandeilo
Lithology and environment
Primary lithology:black poorly lithified "shale"
Lithology description: Black shale
Environment:marine indet.
Geology comments: Author's analysis of life habits leads them to shallow water conclusion, but their logic is questionable. Probably a cool-water assemblage
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Spatial orientation:life position
Articulated whole bodies:some
Size sorting:poor
Spatial resolution:autochthonous
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Collection method comments: Well core, sample covers 4.88 m (16 ft.) section; early Devonian, "about Lochkovian"
Database number:75630
Authorizer:P. Novack-Gottshall Enterer:P. Hearn
Modifier:P. Novack-Gottshall Research group:marine invertebrate
Created:2007-10-23 09:50:36 Last modified:2008-06-23 12:10:19
Access level:the public Released:2007-10-23 09:50:36
Creative Commons license:CC BY
Reference information

Primary reference:

25550. J. Pojeta. 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) [P. Novack-Gottshall/P. Hearn/P. Novack-Gottshall]