Sohl and Koch OFR # 922: Maastrichtian, Texas

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Scaphopoda - Dentaliida - Dentaliidae
Dentalium leve Stephenson 1923
17 specimens
Dentalium leve Stephenson
Gastropoda - Opisthobranchia - Cylichnidae
Cylichna sp. Lovén 1846
1 specimen
Cylichna sp.
Gastropoda - Turritellidae
Turritella cf. forgemoli
1 specimen
Turritella cf. T. forgemoli Coquan - originally entered as "Turritella cf. forgemoli"
Turritella (Sohlitella) trilira (Conrad 1860)
12 specimens
original and current combination Turritella trilira
Turritella (Sohlitella) trilira (C
Gastropoda - Neogastropoda
Neogastropoda indet. Thiele 1929
4 specimens
Neogastropods indeterminate
Bivalvia - Nuculanida - Malletiidae
Malletia longfrons
1 specimen
Malletia longfrons (Conrad)
Bivalvia - Nuculida - Nuculidae
Nucula percrassa
51 specimens
Nucula percrassa Conrad
Bivalvia - Pectinida - Anomiidae
Anomia (Anomia) argentaria Morton 1833
1 specimen
Anomia (Anomia) argentaria Morton
Bivalvia - Ostreida - Ostreidae
Ostrea sp. Linnaeus 1758
2 specimens
Ostrea sp.
Bivalvia - Arcida - Arcidae
Striarca cuneata
23 specimens
Striarca cuneata Gabb
Bivalvia - Cardiida - Cardiidae
Trachycardium eufaulensis (Conrad 1860)
84 specimens
Trachycardium eufaulensis (Conrad)
Bivalvia - Cardiida - Mactridae
Cymbophora appressa
1 specimen
Cymbophora appressa (Gabb)
Bivalvia - Pholadida - Corbulidae
Corbula monmouthensis Gardner 1916
57 specimens
Corbula monmouthensis Gardner
Bivalvia - Carditida - Astartidae
Astartemya fentressensis
16 specimens
Astartemya fentressensis Stephenso
see common names

Geography
Country:United States State/province:Texas County:Maverick
Coordinates: 28.7° North, 100.5° West (view map)
Paleocoordinates:35.0° North, 79.4° 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:lower
Stratigraphic resolution:member
Stratigraphy comments: Haustator bilira assemblage zone.
Lithology and environment
Primary lithology:gray lithified silty 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:bulk,field collection
Reason for describing collection:paleoecologic analysis
Museum repositories:USGS
Collection method comments: Sohl collection
Metadata
Also known as:Eagle pass 21; USGS # 32849
Database number:4597
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 12:28:21
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]