USGS 07571: Late/Upper Campanian, Texas

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Ammonitida - Nostoceratidae
Nostoceras hyatti Stephenson 1941
Nostoceras hyatti Stephenson
Nostoceras stantoni Hyatt 1894
synonym of Nostoceras (Nostoceras) approximans
Nostoceras stantoni Hyatt and Nostoceras stantoni prematurum Hyatt
Cephalopoda - Nautilida - Nautilidae
Eutrephoceras planoventer Stephenson 1941
Eutrephoceras planoventer Stephenson
Gastropoda - Heterostropha - Acteonidae
Tornatellaea cretacea Wade 1926
Tornatellaea cretacea appressa Stephenson
Gastropoda - Opisthobranchia - Scaphandridae
Ellipsoscapha striatella Shumard 1861
Ellipsoscapha striatella (Shumard)
Gastropoda - Turritellidae
Turritella anstini
Turritella anstini Stephenson
Haustator trilira (Conrad 1860)
original and current combination Turritella trilira
Turritella trilira Conrad
Gastropoda - Naticidae
Gyrodes rotundus
Gyrodes rotundus Stephenson
Gastropoda - Neogastropoda - Volutidae
? Liopeplum leioderma (Conrad 1860)
Liopeplum lioderma longum Stephenson
Gastropoda - Aporrhaidae
Anchura lamari
Anchura lamari Stephenson
Bivalvia - Mytilida - Crenellidae
Crenella sp. Brown 1827
Crenella sp.
Bivalvia - Myalinida - Inoceramidae
Inoceramus ? vanuxemi
Inoceramus vanuxemi Meek and Hayden?
Bivalvia - Pectinida - Entoliidae
? Syncyclonema (Syncyclonema) archeri
Pecten (Syncyclonema?) archeri Stephenson
Bivalvia - Cardiida - Cardiidae
Cardium (Pachycardium) wadei
Cardium (Pachycardium) waldei Stephenson
Bivalvia - Cardiida - Tellinidae
Linearia navarroana
original and current combination Linearis
Linearia navarroana Stephenson
Bivalvia - Cardiida - Veneridae
Legumen ellipticum
Legumen ellipticum Conrad
Bivalvia - Pholadida - Corbulidae
Caestocorbula crassaplica Vincent 1910
Corbula crassiplica Gabb
Bivalvia - Pandorida - Laternulidae
Anatimya anteradiata (Conrad 1860)
Anatimya anteradiata texana 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: Calcareous sandstone concretions in public road.
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:Calcareous sandstone concretions in public road, 0.75 mile east of Chatfield, Navarro County; from upper part of formation.
Database number:7502
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 14:19:49
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]