Sohl and Koch OFR # 807: Maastrichtian, Texas

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Turritellidae
Turritella sp. Lamarck 1799
12 specimens
Turritella sp.
Turritella (Sohlitella) trilira (Conrad 1860)
2 specimens
original and current combination Turritella trilira
Turritella (Sohlitella) trilira (C
Turritella (Sohlitella) bilira (Stephenson 1941)
2 specimens
recombined as Haustator bilira
Turritella (Sohlitella) bilira (St
Gastropoda - Neogastropoda
Neogastropoda indet. Thiele 1929
22 specimens
Neogastropods indeterminate
Gastropoda - Neogastropoda - Volutidae
Myobarbum laevigatum Sohl 1963
3 specimens
Myobarbum laevigatum Sohl
Gastropoda - Opisthobranchia - Cylichnidae
Cylichna sp. Lovén 1846
1 specimen
Cylichna sp.
Bivalvia - Nuculanida - Nuculanidae
Nuculana sp. n. sp. Link 1807
3 specimens
Nuculana n. sp. (large and concentr - originally entered as "Nuculana n. sp."
Nuculana sp. Link 1807
3 specimens
Nuculana sp.
Bivalvia - Ostreida - Gryphaeidae
Gryphaeostrea vomer (Morton 1828)
6 specimens
Gryphaeostrea vomer Morton
Bivalvia - Pectinida - Limidae
Lima (Lima) sp. Bruguiére 1796
1 specimen
Lima (Lima) sp.
Bivalvia - Pectinida - Anomiidae
Anomia (Anomia) argentaria Morton 1833
16 specimens
Anomia (Anomia) argentaria Morton
Anomia (Anomia) ornata Gabb 1876
3 specimens
Anomia (Anomia) ornata Gabb
Bivalvia - Arcida - Parallelodontidae
Nemodon sp. Conrad 1869
6 specimens
Nemodon sp.
Bivalvia - Arcida - Arcidae
Striarca cuneata
21 specimens
Striarca cuneata Gabb
Bivalvia - Pholadida - Corbulidae
Corbula sp. n. sp. Bruguière 1789
1 specimen
Corbula n. sp. (large) - originally entered as "Corbula n. sp."
Bivalvia - Cardiida - Mactridae
Cymbophora appressa
27 specimens
Cymbophora appressa (Gabb)
Bivalvia - Cardiida - Tellinidae
Tellinimera gabbi
12 specimens
Tellinimeria gabbi Gardner - originally entered as "Tellinimeria gabbi"
Liothyris cf. carolinensis Conrad 1875
36 specimens
Liothyris cf. L. carolinensis (Con - originally entered as "Liothyris cf. carolinensis"
Polychaeta - Sabellida - Serpulidae
Serpula sp. Linnaeus 1758
Serpula sp.
Polychaeta - Serpulimorpha
Hamulus onyx Morton 1834
Hamulus onyx Morton
unclassified
Vertebrata indet. Lamarck 1801
Fish parts
see common names

Geography
Country:United States State/province:Texas County:Medina
Coordinates: 29.4° North, 99.0° West (view map)
Paleocoordinates:35.3° North, 77.7° 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: lithified argillaceous,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:bulk,field collection
Reason for describing collection:paleoecologic analysis
Museum repositories:USGS
Collection method comments: Sohl collection
Metadata
Also known as:Quihi; USGS # 32832
Database number:4530
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 12:15:30
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]