Alaska, Kennicott Formation, USGS Mes. loc. 2147: Early Albian, Alaska
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia
- Pectinida
- Buchiidae
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Aucellina sp.
Pompeckj 1901
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unclassified
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Moffites robustus
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Cephalopoda
- Ammonitida
- Ptychoceratidae
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Ptychoceras cf. laeve
(Gabb 1869)
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Cephalopoda
- Ammonitida
- Desmoceratidae
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Leconteites modestus
(Anderson 1938)
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Puzosigella spp.
Casey 1954
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Leconteites deansii
(Whiteaves 1893)
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Callizoniceras sp.
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Cephalopoda
- Ammonitida
- Tetragonitidae
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Anagaudryceras aurarium
(Anderson 1938)
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see common names |
Geography
Country: | United States | State/province: | Alaska |
Coordinates: | 62.0° North, 143.0° West (view map) | ||
Paleocoordinates: | 55.5° North, 83.6° West | ||
Basis of coordinate: | estimated from map | ||
Geographic resolution: | small collection |
Time
Period: | Cretaceous | Epoch: | Early Cretaceous |
Stage: | Albian | 10 m.y. bin: | Cretaceous 4 |
Key time interval: | Early Albian | ||
Age range of interval: | 113 - 109.9 m.y. ago |
Stratigraphy
Formation: | Kennicott | ||||
Local section: | USGS mes. loc. 2147 | ||||
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: | 38517 | ||
Authorizer: | M. Aberhan | Enterer: | S. Nurnberg |
Modifier: | S. Nurnberg | Research group: | marine invertebrate |
Created: | 2004-04-23 02:58:40 | Last modified: | 2004-04-23 05:58:41 |
Access level: | the public | Released: | 2004-07-23 02:58:40 |
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] |