USGS 310, Dawson Bluff: Late/Upper Maastrichtian, Alabama
collected by L.C. Johnson
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Echinoidea
- Spatangoida
- Hemiasteridae
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Hemiaster sp.
Agassiz and Desor 1847
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| Hemiaster sp. | ||||||||||
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Hemiaster wetherbyi
de Loriol 1887
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Cooke 1953 | |||||||||
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Rhynchonellata
- Terebratulida
- Cancellothyrididae
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Terebratulina floridana
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| Terebratulina floridana (Morton) | ||||||||||
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Polychaeta
- Sabellida
- Serpulidae
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Serpula sp.
Linnaeus 1758
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| Serpula sp. | ||||||||||
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Cephalopoda
- Ammonitida
- Baculitidae
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Baculites sp.
Lamarck 1799
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| Baculites sp. | ||||||||||
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Baculites (Eubaculites) carinatus
Morton 1834
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| recombined as Eubaculites carinatus | ||||||||||
| Baculites (Eubaculites) carinatus | ||||||||||
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Cephalopoda
- Ammonitida
- Scaphitidae
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Discoscaphites conradi
(Morton 1834)
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6 specimens | |||||||||
| Discoscaphites conradi (Morton) va | ||||||||||
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Cephalopoda
- Nautilida
- Nautilidae
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Eutrephoceras dekayi
(Morton 1834)
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4 specimens | |||||||||
| Eutrephoceras dekayi (Morton) | ||||||||||
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Gastropoda
- Turritellidae
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Turritella sp.
Lamarck 1799
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5 specimens | |||||||||
| Turritella sp. | ||||||||||
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Turritella (Sohlitella) trilira
(Conrad 1860)
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1 specimen | |||||||||
| original and current combination Turritella trilira | ||||||||||
| Turritella (Sohlitella) trilira (C | ||||||||||
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Turritella vertebroides
Morton 1834
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4 specimens | |||||||||
| Turritella vertebroides Morton | ||||||||||
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Gastropoda
- Naticidae
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Gyrodes abyssinus
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2 specimens | |||||||||
| Gyrodes abyssinus (Morton) | ||||||||||
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Gyrodes petrosus
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1 specimen | |||||||||
| Gyrodes petrosus (Morton) | ||||||||||
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Gastropoda
- Neogastropoda
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Neogastropoda indet.
Thiele 1929
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8 specimens | |||||||||
| Neogastropods indeterminate | ||||||||||
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Gastropoda
- Neogastropoda
- Fasciolariidae
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Graphidula sp.
Stephenson 1941
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2 specimens | |||||||||
| Graphidula sp. | ||||||||||
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Drilluta sp.
Wade 1916
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1 specimen | |||||||||
| Drilluta sp. | ||||||||||
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Bellifusus sp.
Stephenson 1941
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2 specimens | |||||||||
| Bellifusus sp. | ||||||||||
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Gastropoda
- Neogastropoda
- Melongenidae
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Pyrifusus sp.
Conrad 1858
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2 specimens | |||||||||
| Pyrifusus sp. | ||||||||||
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Gastropoda
- Neogastropoda
- Pyropsidae
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Pyropsis sp.
(Conrad 1860)
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2 specimens | |||||||||
| Pyropsis spp. | ||||||||||
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Medionapus sp.
Stephenson 1941
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1 specimen | |||||||||
| Medionapus sp. | ||||||||||
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Gastropoda
- Neogastropoda
- Turbinellidae
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Napulus sp.
Stephenson 1941
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3 specimens | |||||||||
| Napulus sp. | ||||||||||
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Gastropoda
- Neogastropoda
- Volutidae
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Longoconcha sp.
Stephenson 1941
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1 specimen | |||||||||
| Longoconcha spp. | ||||||||||
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Gastropoda
- Aporrhaidae
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Anchura ? noakensis
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2 specimens | |||||||||
| Anchura noakensis? Stephenson - originally entered as "Anchura noakensis ?" | ||||||||||
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Gastropoda
- Xenophoridae
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Xenophora leprosa
(Morton 1834)
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| recombined as Xenophora (Endoptygma) leprosa | ||||||||||
| Xenophora leprosa (Morton) | ||||||||||
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Bivalvia
- Pectinida
- Neitheidae
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Neithea (Neitheops) quinquecostata
(Sowerby 1814)
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| Neithea (Neitheops) quinquecostata | ||||||||||
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Bivalvia
- Pectinida
- Anomiidae
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Anomia (Anomia) argentaria
Morton 1833
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1 specimen | |||||||||
| Anomia (Anomia) argentaria Morton | ||||||||||
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Bivalvia
- Pectinida
- Plicatulidae
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Plicatula (Plicatula) mullicaensis
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38 specimens | |||||||||
| Plicatula (Plicatula) mullicaensis | ||||||||||
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Bivalvia
- Ostreida
- Ostreidae
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Arctostrea falacata
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| Arctostrea falacata (Gabb) | ||||||||||
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Bivalvia
- Ostreida
- Gryphaeidae
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Exogyra costata
(Say 1820)
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8 specimens | |||||||||
| original and current combination Exogyra (Exogyra) costata | ||||||||||
| Exogyra costata Say | ||||||||||
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Gryphaeostrea vomer
(Morton 1828)
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2 specimens | |||||||||
| Gryphaeostrea vomer Morton | ||||||||||
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Pycnodonte vesicularis
(Lamarck 1806)
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1 specimen | |||||||||
| recombined as Pycnodonta vesicularis | ||||||||||
| Pycnodonte vesicularis Lamarck | ||||||||||
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Bivalvia
- Arcida
- Cucullaeidae
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Cucullaea (Idonearca) cf. powersi
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1 specimen | |||||||||
| Cucullaea (Idonearca) cf. I. powersi - originally entered as "Cucullaea cf. powersi" | ||||||||||
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Cucullaea (Idonearca) littlei
Gabb 1877
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2 specimens | |||||||||
| Cucullaea (Idonearca) littlei Gabb | ||||||||||
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Cucullaea (Idonearca) capax
Conrad 1858
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1 specimen | |||||||||
| recombined as Idonearca capax | ||||||||||
| Cucullaea (Idonearca) capax Conrad | ||||||||||
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Bivalvia
- Arcida
- Glycymerididae
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Glycymeris sp.
Da Costa 1778
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| Glycymeris sp. | ||||||||||
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Bivalvia
- Cardiida
- Cardiidae
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Cardium sp.
Linnaeus 1758
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5 specimens | |||||||||
| Cardium sp. | ||||||||||
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Protocardia (Pachycardium) spillmani
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3 specimens | |||||||||
| Protocardium (Pachycardium) spillm - originally entered as "Protocardium spillmani" | ||||||||||
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Bivalvia
- Cardiida
- Arcticidae
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Veniella conradi
Morton 1833
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3 specimens | |||||||||
| Veniella conradi (Morton) | ||||||||||
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Bivalvia
- Pholadida
- Corbulidae
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Caestocorbula (Caesticorbula) crassaplica
Vincent 1910
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1 specimen | |||||||||
| Caesticorbula (Caesticorbula) cras - originally entered as "Caesticorbula crassaplica" | ||||||||||
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Bivalvia
- Poromyida
- Poromyidae
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Liopistha protexta
Conrad 1853
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2 specimens | |||||||||
| Liopistha protexta Conrad | ||||||||||
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Bivalvia
- Carditida
- Crassatellidae
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Crassatella sp.
Lamarck 1799
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8 specimens | |||||||||
| Crassatella sp. | ||||||||||
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Crassatella vadosa
Morton 1834
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23 specimens | |||||||||
| Crassatella vadosa vadosa Morton | ||||||||||
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Bivalvia
- Trigoniida
- Megatrigoniidae
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Pterotrigonia (Scabrotrigonia) thoracica
(Morton 1834)
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2 specimens | |||||||||
| Pterotrigonia (Scabrotrigonia) tho | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Alabama | County: | Wilcox |
| Coordinates: | 32.0° North, 87.3° West (view map) | ||||
| Paleocoordinates: | 35.4° North, 65.3° 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: | Prairie Bluff | Member: | lower | ||
| Stratigraphic resolution: | member | ||||
| Stratigraphy comments: Haustator bilira assemblage zone | |||||
Lithology and environment
| Primary lithology: | lithified silty,sandy lime mudstone | ||
| Environment: | carbonate indet. | 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: | USNM |
| Collectors: | L.C. Johnson |
| Collection method comments: Stephenson pub 1914 | |
Metadata
| Also known as: | Sohl and Koch OFR # 139 | ||
| Database number: | 4206 | ||
| 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: | 2018-11-17 20:33:39 |
| Access level: | the public | Released: | 1999-08-14 13:00:00 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 283. | N. F. Sohl and C. F. Koch. 1983. Upper Cretaceous (Maestrichtian) Mollusca from the Haustator bilira Assemblage Zone in the East Gulf Coastal Plain. USGS Open File Report 83-451:1-239 [M. Kosnik/M. Kosnik/M. Uhen] |
Secondary references:
| 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] |
| 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] |