Sohl and Koch OFR # 854: Maastrichtian, Texas

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Lithophagidae indet.
Lithophagid borings
Echinoidea
Echinoidea indet. (Leske 1778)
Echinoid sp. (regular) - originally entered as "Echinoidea sp."
Bivalvia - Arcida - Arcidae
Striarca cuneata
1 specimen
Striarca cuneata Gabb
Bivalvia - Pectinida - Anomiidae
Anomia (Anomia) ornata Gabb 1876
13 specimens
Anomia (Anomia) ornata Gabb
Bivalvia - Ostreida - Ostreidae
Crassostrea cortex
6 specimens
Crassostrea cortex (Conrad)
unclassified
Bryozoa indet. Ehrenberg 1831
Bryozoa (encrusting)
see common names

Geography
Country:United States State/province:Texas County:Zavala
Coordinates: 29.1° North, 99.9° West (view map)
Paleocoordinates:35.2° North, 78.7° 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
Stratigraphic resolution:formation
Stratigraphy comments: Haustator bilira assemblage zone.
Lithology and environment
Primary lithology:gray silty,calcareous sandstone
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 methods:field collection
Reason for describing collection:paleoecologic analysis
Museum repositories:USGS
Collection method comments: Stephenson collection
Metadata
Also known as:Nueces River; USGS # 10829
Database number:4568
Authorizer:M. Kosnik Enterer:M. Kosnik
Modifier:U. Smith Research group:GCP,marine invertebrate
Created:1999-08-14 13:00:00 Last modified:2010-10-14 22:59:27
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:

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]