USGS 07569: Late/Upper Campanian, Texas

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Polychaeta - Sabellida - Serpulidae
Serpula cretacea
Serpula cretacea (Conrad)
Bivalvia - Arcida - Arcidae
Breviarca nolani
Breviarca nolani Stephenson
Bivalvia - Myalinida - Inoceramidae
Inoceramus ? vanuxemi
Inoceramus vanuxemi Meek and Hayden?
Bivalvia - Pectinida - Entoliidae
? Syncyclonema (Syncyclonema) archeri
Pecten (Syncyclonema?) archeri Stephenson
Bivalvia - Lucinida - Lucinidae
Lucina chatfieldana
Lucina chatfieldana Stephenson
Bivalvia - Pholadida - Corbulidae
Corbula rockensis
Corbula rockensis Stephenson
Caestocorbula crassaplica Vincent 1910
Corbula crassiplica Gabb
Bivalvia - Cardiida - Cardiidae
Ethmocardium (Ethmocardium) welleri
Cardium (Ethmocardium) welleri Stephenson
Granocardium (Granocardium) sp. (Gabb 1869)
synonym of Trachycardium
Cardium (Granocardium) spp.
Bivalvia - Cardiida - Arcticidae
Veniella conradi Morton 1833
Veniella conradi (Morton)
Bivalvia - Cardiida - Veneridae
Legumen ellipticum
Legumen ellipticum Conrad
Bivalvia - Cardiida - Mactridae
Cymbophora scabellum
Cymbophora scabellum Stephenson
Cymbophora simpsonensis
Cymbophora simpsonensis Stephenson
Bivalvia - Solenida - Pharidae
Leptosolen biplicata (Conrad 1858)
Leptosolen biplicatus Conrad
Bivalvia - Poromyida - Poromyidae
Liopistha formosa
Liopistha formosa Stephenson
Liopistha protexta Conrad 1853
Liopistha protexta (Conrad)
Bivalvia - Nuculanida - Nuculanidae
Nuculana sp. Link 1807
Nuculana sp. a Stephenson 1941
Bivalvia - Nuculanida - Malletiidae
Malletia longifrons
Nuculana longifrons (Conrad)
Bivalvia - Nuculida - Nuculidae
Nucula chatfieldensis
Nucula chatfieldensis Stephenson
Cephalopoda - Ammonitida - Nostoceratidae
Nostoceras helicinum (Shumard 1861)
recombined as Nostoceras (Nostoceras) helicinum
Nostoceras helicinum crassum Stephenson
Nostoceras stantoni Hyatt 1894
synonym of Nostoceras (Nostoceras) approximans
Nostoceras stantoni Hyatt
Gastropoda - Opisthobranchia - Cylichnidae
Cylichna secalina Shumard 1861
Cylichna secalina Shumard
Gastropoda - Opisthobranchia - Scaphandridae
Ellipsoscapha striatella Shumard 1861
Ellipsoscapha striatella (Shumard)
Gastropoda - Turritellidae
Turritella houstonia
Turritella houstoni Stephenson
Haustator trilira (Conrad 1860)
original and current combination Turritella trilira
Turritella trilira Conrad
Gastropoda - Neogastropoda - Volutidae
? Liopeplum leioderma (Conrad 1860)
Liopeplum lioderma longum Stephenson
Gastropoda - Aporrhaidae
Anchura lamari
Anchura lamari Stephenson
see common names

Geography
Country:United States State/province:Texas County:Navarro
Coordinates: 32.1° North, 96.5° West (view map)
Paleocoordinates:36.9° North, 68.8° West
Basis of coordinate:based on political unit
Geographic resolution:outcrop
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Campanian 10 m.y. bin:Cretaceous 7
*Period:Late/Upper Cretaceous *Epoch:Senonian
*International age/stage:Maastrichtian
Key time interval:Late/Upper Campanian Ammonoid zone: Nostoceras hyatti
Age range of interval:83.60000 - 72.10000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Nacatoch Sand
Stratigraphic resolution:group of beds
Stratigraphy comments: Stephenson (1941) had this unit as Maastrichtian, Cobban and Kennedy (1995) have updated it to uppermost Campanian via ammonite zonation.
Lithology and environment
Primary lithology:concretionary calcareous sandstone
Lithology description: Residual concretions of calcareous sandstone
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:mesofossils
Collection methods and comments
Collection excludes:all microfossils
Reason for describing collection:taxonomic analysis
Museum repositories:USGS
Collection method comments: L. W. Stephenson 1911
Metadata
Also known as:Residual concretions of calcareous sandstone in a field just south of Chatfield, Navarro County; from upper part of formation.
Database number:7500
Authorizer:M. Kosnik Enterer:M. Kosnik
Modifier:L. Eccles Research group:GCP,marine invertebrate
Created:2000-07-18 12:00:01 Last modified:2010-10-14 14:18:33
Access level:the public Released:2000-07-18 12:00:01
Creative Commons license:CC BY
Reference information

Primary reference:
444. L. W. Stephenson. 1941. The larger invertebrate fossils of the Navarro group of Texas. The University of Texas Publication 4101:1-625 [M. Kosnik/M. Kosnik]

Secondary references:

29915 J. A. Sessa, T. J. Bralower, M. E. Patzkowsky, J. C. Handley, and L. C. Ivany. 2012. Environmental and biological controls on the diversity and ecology of Late Cretaceous through early Paleogene marine ecosystems in the US Gulf Coastal Plain. Paleobiology 38(2):218-239 [M. Patzkowsky/J. Sessa/J. Sessa]