Sohl and Koch OFR # 864: Maastrichtian, Texas

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Lithophagidae indet.
Lithophagid borings
Bryozoa indet. Ehrenberg 1831
Reptilian tooth
Cephalopoda - Ammonitida - Sphenodiscidae
Sphenodiscus sp. Meek 1871
1 specimen
Sphenodiscus sp.
Gastropoda - Thiaridae
Pachymelania sp. n. sp. White 1895
25 specimens
Pachymelania n. sp. (Escondido) - originally entered as "Pachymelania n. sp."
Gastropoda - Neogastropoda - Turbinellidae
Napulus sp. Stephenson 1941
1 specimen
Napulus sp.
Bivalvia - Pectinida - Anomiidae
Anomia (Anomia) ornata Gabb 1876
5 specimens
Anomia (Anomia) ornata Gabb
Bivalvia - Ostreida - Ostreidae
Crassostrea cortex
54 specimens
Crassostrea cortex (Conrad)
Bivalvia - Arcida - Arcidae
Striarca cuneata
17 specimens
Striarca cuneata Gabb
Bivalvia - Cardiida - Corbiculidae
Corbicula sp. Megerle 1811
4 specimens
Corbicula cf. sp. A Speeden
? Corbicula sp. Megerle 1811
17 specimens
Corbicula ? sp. - originally entered as "Corbicula ? sp."
see common names

Geography
Country:United States State/province:Texas County:Zavala
Coordinates: 29.1° North, 100.1° West (view map)
Paleocoordinates:35.2° North, 78.9° 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: argillaceous sandstone
Environment:estuary/bay Tectonic setting:passive margin
Taphonomy
Modes of preservation:body
Size of fossils:mesofossils
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:bulk,field collection
Reason for describing collection:paleoecologic analysis
Museum repositories:USGS
Collection method comments: Sohl collection
Metadata
Also known as:Muela Ck-2; USGS # 32841
Database number:4578
Authorizer:M. Kosnik Enterer:M. Kosnik
Modifier:M. Manojlovic Research group:GCP,marine invertebrate
Created:1999-08-14 13:00:00 Last modified:2016-08-08 12:25:11
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]