USGS 17738: Early/Lower Campanian, Delaware

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Ammonitida - Baculitidae
Baculites sp. Lamarck 1799
rare category
Baculites sp.
Cephalopoda - Ammonitida - Placenticeratidae
Placenticeras placenta (DeKay 1828)
rare category
Placenticeras placenta (Dekay)
Gastropoda - Heterostropha - Acteonidae
Acteon sp. Montfort 1810
rare category
Acteon sp.
Gastropoda - Cerithiidae
cf. Cerithium weeksi Wade 1926
rare category
Cerithium cf. C. weeksi Wade
Gastropoda - Turritellidae
Laxispira lumbricalis Gabb 1877
common category
Laxispira lumbricalis Gabb
Turritella merchantvillensis
common category
Turritella merchantvillensis Weller
Turritella quadrilira Johnson 1898
rare category
Haustator quadrilira (Johnson)
Gastropoda - Ampullinidae
Pseudamaura lepta Sohl 1964
rare category
Pseudamaura lepta Sohl
Gastropoda - Neogastropoda - Paladmetidae
Paladmete sp. n. sp. Gardner 1916
common category
Paladmete n. sp. (Owens et al)
cf. Paladmete cancellaria Conrad 1858
rare category
Paladmete cf. P. cancellaria Conrad
Gastropoda - Aporrhaidae
cf. Tundora tuberculata Stephenson 1941
rare category
Tundora cf. C. tuberculata Stephenson
Graciliala sp. Sohl 1960
rare category
Graciliala sp.
Graciliala johnsoni Stephenson 1923
abundant category
Graciliala johnsoni (Stephenson)
? Anchura sp. Conrad 1860
rare category
Anchura ? sp.
Bivalvia - Pectinida - Entoliidae
Syncyclonema simplicius
rare category
Syncyclonema simplicius (Conrad)
Syncyclonema conradi
rare category
Syncyclonema conradi (Whitfield)
Bivalvia - Ostreida - Pinnidae
Pinna sp. Linnaeus 1758
rare category
Pinna sp.
Bivalvia - Arcida - Cucullaeidae
Cucullaea sp. Lamarck 1801
rare category
Idonearca sp. - owens
Bivalvia - Arcida - Arcidae
cf. Breviarca haddonfieldensis
rare category
Breviarca cf. B. haddonfieldensis Stephenson
Bivalvia - Cardiida - Cardiidae
Cardium sp. Linnaeus 1758
rare category
Cardium spp.
Bivalvia - Cardiida - Tellinidae
Linearia contracta
rare category
original and current combination Linearis
Linearia contracta Whitfield
Linearia magnoliensis
rare category
original and current combination Linearis
Linearia magnoliense Stephenson
Bivalvia - Poromyida - Poromyidae
Cymella bella
rare category
Cymella bella Conrad
Bivalvia - Pholadomyida - Pholadomyidae
Pholadomya occidentalis Morton
rare category
Pholadomya occidentalis (Morton)
see common names

Geography
Country:United States State/province:Delaware
Coordinates: 39.5° North, 75.7° West (view map)
Paleocoordinates:39.0° North, 45.6° West
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Campanian 10 m.y. bin:Cretaceous 7
*Period:Late/Upper Cretaceous *Epoch:Senonian
*International age/stage:Early/Lower Campanian
Key time interval:Early/Lower Campanian
Age range of interval:83.60000 - 72.10000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Merchantville
Lithology and environment
Environment:marine indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Collection excludes:all microfossils,difficult macrofossils
Collection methods:field collection
Reason for describing collection:biostratigraphic analysis
Museum repositories:USGS
Collection method comments: collected by C. W. Carter 1935-7
Metadata
Also known as:South side of Chesapeake and Delaware canal at station 62+000
Database number:6130
Authorizer:M. Kosnik Enterer:M. Kosnik
Modifier:C. Visaggi Research group:marine invertebrate
Created:2000-01-28 12:40:31 Last modified:2004-03-11 16:25:07
Access level:the public Released:2000-11-20 13:53:29
Creative Commons license:CC BY
Reference information

Primary reference:

384. J. P. Owens, J. P. Minard, N. F. Sohl and F. James Mello. 1970. Stratigraphy of the outcropping post-Magothy Upper Cretaceous formations in Southern New Jersey an Northern Delmarva peninsula, Delaware and Maryland. USGS Professional Paper 674:1-60 [M. Kosnik/M. Kosnik/M. Kosnik]