Alaska, Kennicott Formation, USGS Mes. loc. 14484: Early/Lower Albian, Alaska
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Ammonitida
- Ptychoceratidae
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Ptychoceras cf. laeve
(Gabb 1869)
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Cephalopoda
- Ammonitida
- Kossmaticeratidae
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Moffites robustus
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= Moffitites robustus
Imlay 1959
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Imlay 1960 | ||||||
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Cephalopoda
- Ammonitida
- Desmoceratidae
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Leconteites deansii
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Leconteites modestus
(Anderson 1938)
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= Leconteites sp.
Casey 1954
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Imlay 1960 | ||||||
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Puzosigella spp.
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| synonym of Leconteites | |||||||
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Callizoniceras sp.
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Kennicottia bifurcata
Imlay 1959
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Cephalopoda
- Ammonitida
- Tetragonitidae
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Anagaudryceras aurarium
(Anderson 1938)
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Cephalopoda
- Ammonitida
- Cleoniceratidae
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Lemuroceras cf. dubium
Collignon 1949
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Imlay 1960 | ||||||
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Bivalvia
- Pectinida
- Buchiidae
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Aucellina sp.
Pompeckj 1901
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| see common names | |||||||
Geography
| Country: | United States | State/province: | Alaska |
| Coordinates: | 61.5° North, 143.3° West (view map) | ||
| Paleocoordinates: | 55.3° North, 84.4° West | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| Stage: | Albian | 10 m.y. bin: | Cretaceous 4 |
| Key time interval: | Early/Lower Albian | ||
| Age range of interval: | 113.00000 - 109.90000 m.y. ago |
Stratigraphy
| Formation: | Kennicott | ||||
| Local section: | USGS mes. loc. 14484 | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: within 200-300 feet at the base of the formation | |||||
Lithology and environment
| Primary lithology: | gray "shale" |
| Secondary lithology: | brown sandstone |
| Environment: | marginal marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | good |
| Fragmentation: | occasional |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | USGS |
Metadata
| Database number: | 38510 | ||
| Authorizer: | M. Aberhan, A. Hendy | Enterer: | S. Nurnberg, A. Hendy |
| Modifier: | S. Nurnberg | Research group: | marine invertebrate |
| Created: | 2004-04-23 01:25:16 | Last modified: | 2004-04-23 04:25:16 |
| Access level: | the public | Released: | 2004-07-23 01:25:16 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 10311. | 1% | R. W. Imlay. 1959. New genera of early Cretaceous (Albian) Ammonites from Alaska. Journal of Paleontology 33(1):179-185 [M. Aberhan/M. Aberhan/S. Nurnberg] |
Secondary references:
| 29582 | R. W. Imlay. 1960. Early Cretaceous (Albian) ammonites from the Chitna Valley and Talkeetna Mountains, Alaska. United States Geological Survey Professional Paper 354(D):87-114 [A. Hendy/A. Hendy/P. Wagner] |