Sohl and Koch OFR # 831: Maastrichtian, Texas

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Ammonitida - Sphenodiscidae
Sphenodiscus lenticularis (Owen 1852)
1 specimen
replaced by Sphenodiscus lobatus
Sphenodiscus lenticularis (Owen)
Gastropoda - Turritellidae
Turritella cf. forgemoli
3 specimens
Turritella cf. T. forgemoli Coquan - originally entered as "Turritella cf. forgemoli"
Turritella (Sohlitella) trilira (Conrad 1860)
1 specimen
original and current combination Turritella trilira
Turritella (Sohlitella) trilira (C
Gastropoda - Neogastropoda - Volutidae
Liopeplum cretaceum Conrad 1858
2 specimens
Liopeplum cretaceum (Conrad)
Bivalvia - Ostreida - Ostreidae
Ostrea bella
6 specimens
Ostrea bella
Crassostrea cortex
1 specimen
Crassostrea cortex (Conrad)
Bivalvia - Pectinida - Anomiidae
Anomia (Anomia) ornata Gabb 1876
10 specimens
Anomia (Anomia) ornata Gabb
Bivalvia - Cardiida - Cardiidae
Trachycardium sp. Mörch 1853
6 specimens
Trachycardium sp.
unclassified
Bryozoa indet. Ehrenberg 1831
Bryozoa boring
see common names

Geography
Country:United States State/province:Texas County:Uvalde
Coordinates: 29.2° North, 99.5° West (view map)
Paleocoordinates:35.2° North, 78.2° 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 lithified 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 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:11 mi S Sabinal; USGS # 7715
Database number:4553
Authorizer:M. Kosnik Enterer:M. Kosnik
Modifier:M. Clapham Research group:GCP,marine invertebrate
Created:1999-08-14 13:00:00 Last modified:2017-07-28 16:28:46
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]