Sohl and Koch OFR # 949: Maastrichtian, Texas

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Lithophagidae indet.
Lithophagid borings
Demospongiae - Clavulina - Clionaidae
Cliona sp.
Clione sp.
Thecostraca
Cirripidea indet. Rafinesque 1816
Barnacles plates
    = Cirripedia indet. Rafinesque 1816
Hendy 2008
misspelling
unclassified
Bryozoa indet. Ehrenberg 1831
Bryozoa (encrusting)
Bivalvia - Ostreida - Ostreidae
Ostrea sp. Linnaeus 1758
Ostrea sp.
Crassostrea cortex
63 specimens
Crassostrea cortex (Conrad)
Bivalvia - Pectinida - Anomiidae
Anomia (Anomia) ornata Gabb 1876
87 specimens
Anomia (Anomia) ornata Gabb
Gastropoda - Triforidae
Cerithiella semirugatum Wade 1926
9 specimens
Cerithiella semirugatum (Wade)
Gastropoda - Cerithiidae
Cerithium sp. Bruguière 1789
1 specimen
Cerithium sp.
see common names

Geography
Country:United States State/province:Texas County:Maverick
Coordinates: 28.6° North, 100.4° West (view map)
Paleocoordinates:34.8° North, 79.3° West
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Maastrichtian 10 m.y. bin:Cretaceous 8
*Period:Late/Upper Cretaceous *Epoch:Late/Upper Senonian
*International age/stage:Middle - Late/Upper Maastrichtian
Key time interval:Maastrichtian
Age range of interval:72.10000 - 66.00000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Escondido Member:middle
Stratigraphic resolution:member
Stratigraphy comments: Haustator bilira assemblage zone.
Lithology and environment
Primary lithology:glauconitic,gray calcareous siltstone
Environment:estuary/bay Tectonic setting:passive margin
Taphonomy
Modes of preservation:body,original calcite,replaced with calcite
Size of fossils:mesofossils
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:field collection
Reason for describing collection:paleoecologic analysis
Museum repositories:USGS
Collection method comments: Stephenson collection
Metadata
Also known as:La Rosita; USGS # 8223
Database number:4618
Authorizer:M. Kosnik, A. Hendy Enterer:M. Kosnik, A. Hendy
Modifier:M. Manojlovic Research group:GCP,marine invertebrate
Created:1999-08-14 13:00:00 Last modified:2016-08-08 12:30:37
Access level:the public Released:1999-08-14 13:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

282. N. F. Sohl and C. F. Koch. 1984. Upper Cretaceous (Maestrichtian) larger invertebrate Fossils from the Haustator bilira Assemblage Zone in the west gulf Coastal Plain. USGS Open File Report 84-687:1-282 [M. Kosnik/M. Kosnik]

Secondary references:

26349 A. J. W. Hendy. 2008. Personal opinions and reidentification of pre-Cenozoic Mollusca. [A. Hendy/A. Hendy]
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]