Squankum - Shark River Marl [Nautiloida]: Middle Eocene, New Jersey
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Palaeophiidae
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Palaeophis halidanus n. sp.
Cope 1868
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Cope 1868 | 1 specimen | |||||
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Acipenseriformes
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Cylindracanthus rectus
(Agassiz 1843)
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Leriche 1942 | ||||||
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Cephalopoda
- Nautilida
- Nautilidae
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Eutrephoceras cookanum
(Whitfield 1892)
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| original and current combination Nautilus cookana | |||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | New Jersey | County: | Monmouth |
| Coordinates: | 40.2° North, 74.2° West (view map) | ||||
| Paleocoordinates: | 39.8° North, 62.7° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Paleogene | Epoch: | Eocene |
| 10 m.y. bin: | Cenozoic 2-3 | ||
| Key time interval: | Middle Eocene | ||
| Age range of interval: | 47.80000 - 37.71000 m.y. ago |
Stratigraphy
| Formation: | Shark River Marl | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From the Shark River Marl. AGE: Eocene, according to Miller (1947; Bartonian-Priabonian, according to more GEOLEX. STRATIGRAPHIC POSITION: From unknown position within section. | |||||
Lithology and environment
| Primary lithology: | lithified "siliciclastic" |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Not stated, but presumably siliciclastic. LITHIFICATION: Lithified, on the basis of facies description and specimen preservation. | |
| Environment: | coastal indet. |
| Geology comments: ENVIRONMENT: Not stated, but presumably shallow marine siliciclastic environment. | |
Taphonomy
| Modes of preservation: | cast,mold/impression |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | poor |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: COLLECTOR: Multiple collectors. REPOSITORY: Walker Museum, University of Chicago; AMNH; Rutgers University. | |
| Taxonomic list comments:COVERAGE: Limited to Nautiloida. NOMENCLATURE: Authoritative publication with relatively recent nomenclature and species-resolution identifications. | |
Metadata
| Database number: | 81778 | ||
| Authorizer: | A. Hendy, M. Uhen | Enterer: | A. Hendy, M. Uhen |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2008-07-15 16:51:10 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | the public | Released: | 2008-07-15 16:51:10 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 27587. | A. K. Miller. 1947. Tertiary nautiloids of the Americas. Geological Society of America Memoir 23:1-234 [A. Hendy/A. Hendy] |
Secondary references:
| 12634 | E. D. Cope. 1868. On some Cretaceous Reptilia. Proceedings of the Academy of Natural Sciences of Philadelphia 20:233-242 [M. Uhen/M. Uhen/M. Uhen] | |
| 28099 | M. Leriche. 1942. Contribution a l'etude des faunes ichthyologiques marines des terrains tertiaires de la plaine cotiere Atlantique et du centre des Etats-Unis. Memoires de la Societe Geologique de France (Nouvelle Serie) 45:1-111 [M. Uhen/M. Uhen] |