Sohl and Koch OFR # 540: Maastrichtian, Arkansas
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Demospongiae
- Clavulina
- Clionaidae
|
||||||||||
|
Cliona sp.
|
||||||||||
| Clione sp. | ||||||||||
|
Polychaeta
- Sabellida
- Serpulidae
|
||||||||||
|
Serpula sp.
Linnaeus 1758
|
||||||||||
| Serpula sp. | ||||||||||
|
Bivalvia
- Mytilida
- Mytilidae
|
||||||||||
|
Botula conchafodentis
|
4 specimens | |||||||||
| Botula conchafodentis (Gardner) | ||||||||||
|
Bivalvia
- Arcida
- Cucullaeidae
|
||||||||||
|
Cucullaea (Idonearca) capax
Conrad 1858
|
7 specimens | |||||||||
| recombined as Idonearca capax | ||||||||||
| Cucullaea (Idonearca) capax Conrad | ||||||||||
|
Bivalvia
- Ostreida
- Gryphaeidae
|
||||||||||
|
Exogyra costata
(Say 1820)
|
3 specimens | |||||||||
| original and current combination Exogyra (Exogyra) costata | ||||||||||
| Exogyra costata Say | ||||||||||
|
Bivalvia
- Pectinida
- Anomiidae
|
||||||||||
|
Anomia (Anomia) argentaria
Morton 1833
|
2 specimens | |||||||||
| Anomia (Anomia) argentaria Morton | ||||||||||
|
Bivalvia
- Carditida
- Crassatellidae
|
||||||||||
|
Crassatella vadosa
Morton 1834
|
9 specimens | |||||||||
| Crassatella vadosa vadosa Morton | ||||||||||
|
Bivalvia
- Cardiida
- Cardiidae
|
||||||||||
|
Trachycardium sp.
Mörch 1853
|
2 specimens | |||||||||
| Trachycardium sp. | ||||||||||
|
Bivalvia
- Cardiida
- Arcticidae
|
||||||||||
|
Veniella conradi
Morton 1833
|
2 specimens | |||||||||
| Veniella conradi (Morton) | ||||||||||
|
Bivalvia
- Cardiida
- Veneridae
|
||||||||||
|
Cyprimeria alta
|
9 specimens | |||||||||
| Cyprimeria alta Conrad | ||||||||||
|
Bivalvia
- Trigoniida
- Megatrigoniidae
|
||||||||||
|
Pterotrigonia (Scabrotrigonia) sp.
(Dietrich 1933)
|
2 specimens | |||||||||
| Pterotrigonia (Scabrotrigonia) sp. | ||||||||||
|
Cephalopoda
- Ammonitida
- Baculitidae
|
||||||||||
|
Baculites sp.
Lamarck 1799
|
1 specimen | |||||||||
| Baculites sp. | ||||||||||
|
Gastropoda
- Turritellidae
|
||||||||||
|
Turritella sp.
Lamarck 1799
|
1 specimen | |||||||||
| Turritella sp. | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Arkansas | County: | Hempstead |
| Coordinates: | 33.7° North, 93.7° West (view map) | ||||
| Paleocoordinates: | 38.4° North, 70.8° 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: | Arkadelphia marl | Member: | basal | ||
| Stratigraphic resolution: | member | ||||
| Stratigraphy comments: Haustator bilira assemblage zone. | |||||
Lithology and environment
| Primary lithology: | phosphatic,gray lithified sandy lime mudstone | ||
| Environment: | marine indet. | Tectonic setting: | passive margin |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Collection methods: | field collection |
| Reason for describing collection: | paleoecologic analysis |
| Museum repositories: | USGS |
| Collection method comments: Stephenson collection | |
Metadata
| Also known as: | Hope; USGS # 7466 | ||
| Database number: | 4391 | ||
| Authorizer: | M. Kosnik | Enterer: | M. Kosnik |
| Modifier: | M. Manojlovic | Research group: | marine invertebrate |
| Created: | 1999-08-14 13:00:00 | Last modified: | 2016-08-08 12:04:24 |
| 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] |