USGS 15520, Padrone Hill: Late/Upper Maastrichtian, Texas
collected by L.W. Stephenson
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Echinoidea
- Cassiduloida
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Hardouinia bexari
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Sohl and Koch 1984 | |||||||||
| corrected as Harduinia | ||||||||||
| Hardouinea bexari Clark | ||||||||||
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Echinoidea
- Spatangoida
- Hemiasteridae
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Hemiaster wetherbyi
de Loriol 1887
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Cephalopoda
- Ammonitida
- Sphenodiscidae
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Sphenodiscus tirensis
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Sohl and Koch 1984 | 1 specimen | ||||||||
| Sphenodiscus tirensis Stephenson | ||||||||||
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Bivalvia
- Pectinida
- Pectinidae
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Camptonectes (Camptonectes) sp.
Meek 1864
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Sohl and Koch 1984 | 2 specimens | ||||||||
| Camptonectes (Comptonectes) sp. | ||||||||||
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Camptonectes (Camptonectes) bubonis
(Stephenson 1941)
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Sohl and Koch 1984 | 1 specimen | ||||||||
| Camptonectes (Camptonectes) bubonis ( | ||||||||||
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Bivalvia
- Pectinida
- Anomiidae
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Anomia (Anomia) argentaria
Morton 1833
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Sohl and Koch 1984 | 1 specimen | ||||||||
| Anomia (Anomia) argentaria Morton | ||||||||||
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Bivalvia
- Pectinida
- Plicatulidae
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Plicatula (Plicatula) tetrica
Conrad 1860
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Sohl and Koch 1984 | 1 specimen | ||||||||
| Plicatula (Plicatula) tetrica Conr | ||||||||||
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Bivalvia
- Ostreida
- Gryphaeidae
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Exogyra sp.
Say 1820
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Sohl and Koch 1984 | |||||||||
| Exogyra sp. | ||||||||||
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Exogyra costata
(Say 1820)
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Sohl and Koch 1984 | 8 specimens | ||||||||
| original and current combination Exogyra (Exogyra) costata | ||||||||||
| Exogyra costata Say | ||||||||||
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Bivalvia
- Ostreida
- Ostreidae
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Ostrea sp.
Linnaeus 1758
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Sohl and Koch 1984 | |||||||||
| Ostrea sp. | ||||||||||
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Ostrea mesenterica
Morton 1834
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Sohl and Koch 1984 | 2 specimens | ||||||||
| recombined as Lopha mesenterica | ||||||||||
| Ostrea mesenterica Morton | ||||||||||
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Gastropoda
- Neogastropoda
- Moreidae
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Hercorhynchus (Hercorhyncus) sp.
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Sohl and Koch 1984 | 1 specimen | ||||||||
| Hercorhyncus (Hercorhyncus) sp. - originally entered as "Hercorhyncus sp." | ||||||||||
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Gastropoda
- Neogastropoda
- Fasciolariidae
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? Drilluta sp.
Wade 1916
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Sohl and Koch 1984 | 9 specimens | ||||||||
| Drilluta ? sp. - originally entered as "Drilluta ? sp." | ||||||||||
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Gastropoda
- Aporrhaidae
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Pugnellus sp.
Conrad 1860
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Sohl and Koch 1984 | 1 specimen | ||||||||
| Pugnellus sp. | ||||||||||
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Anchura sp.
Conrad 1860
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Sohl and Koch 1984 | 2 specimens | ||||||||
| Anchura sp. | ||||||||||
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Gastropoda
- Naticidae
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Euspira rectilabrum
(Conrad 1858)
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Sohl and Koch 1984 | 1 specimen | ||||||||
| Euspira rectilabrum (Conrad) | ||||||||||
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Polychaeta
- Sabellida
- Serpulidae
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Serpula sp.
Linnaeus 1758
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Sohl and Koch 1984 | |||||||||
| Serpula sp. | ||||||||||
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Polychaeta
- Serpulimorpha
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Hamulus squamosus
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Sohl and Koch 1984 | |||||||||
| Hamulus squamosus Gabb | ||||||||||
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unclassified
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Bryozoa indet.
Ehrenberg 1831
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Sohl and Koch 1984 | |||||||||
| Bryozoa (encrusting) | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Texas | County: | Bexar |
| Coordinates: | 29.4° North, 98.7° West (view map) | ||||
| Paleocoordinates: | 35.1° North, 77.8° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | outcrop |
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: | Late/Upper Maastrichtian | Ammonoid zone: | Discoscaphites conradi |
| Age range of interval: | 72.10000 - 66.00000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Corsicana Marl | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Haustator bilira assemblage zone | |||||
Lithology and environment
| Primary lithology: | silty claystone | ||
| Environment: | marine indet. | Tectonic setting: | passive margin |
Taphonomy
| Modes of preservation: | body,original 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: | USNM |
| Collectors: | L.W. Stephenson |
| Collection method comments: Stephenson collection | |
Metadata
| Also known as: | Sohl and Koch OFR # 763 | ||
| Database number: | 4516 | ||
| Authorizer: | M. Kosnik, W. Kiessling | Enterer: | M. Kosnik, U. Merkel |
| Modifier: | M. Clapham | Research group: | GCP,marine invertebrate |
| Created: | 1999-08-14 13:00:00 | Last modified: | 2018-11-19 23:18:37 |
| Access level: | the public | Released: | 1999-08-14 13:00:00 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 26335. | 1% 20600 | C. W. Cooke. 1953. American Upper Cretaceous Echinoidea. United States Geological Survey Professional Paper 254-A:1-44 [W. Kiessling/U. Merkel/M. Clapham] |
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] | |
| 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] |