Alaska, Kennicott Formation, USGS Mes. loc. 9492: Albian, Alaska
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Ammonoida indet.
(Zittel 1884)
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= Ammonoidea indet.
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Imlay 1960 | |||||||||
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Bivalvia
- Myalinida
- Inoceramidae
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Inoceramus comancheanus
(Cragin 1894)
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| recombined as Gnesioceramus comancheanus | ||||||||||
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Cephalopoda
- Phylloceratida
- Phylloceratidae
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Calliphylloceras nizinanum n. sp.
Imlay 1960
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Imlay 1960 | |||||||||
| (2 measurements) | ||||||||||
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Hypophylloceras cf. californicum
(Anderson 1938)
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Imlay 1960 | |||||||||
| recombined as Euphylloceras californicum | ||||||||||
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Phyllopachyceras chitinanum n. sp.
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Imlay 1960 | |||||||||
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Cephalopoda
- Ammonitida
- Cleoniceratidae
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Cleoniceras sp.
Parona and Bonarelli 1897
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| (1 measurement) | ||||||||||
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= Cleoniceras overbecki n. sp.
Imlay 1960
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Imlay 1960 | |||||||||
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? Arcthoplites sp.
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Imlay 1960 | |||||||||
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Lemuroceras aff. belli
McLearn 1945
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= Lemuroceras (Subarcthoplites) aff. belli
McLearn 1945
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Imlay 1960 | |||||||||
| recombined as Arcthoplites (Subarcthoplites) belli | ||||||||||
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Cephalopoda
- Ammonitida
- Kossmaticeratidae
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Hulenites cf. reesidei
(Anderson 1938)
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| (1 measurement) | ||||||||||
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Cephalopoda
- Ammonitida
- Desmoceratidae
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Brewericeras cf. hulense
(Anderson 1938)
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| recombined as Brewericeras hulenense | ||||||||||
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Brewericeras breweri
(Gabb 1864)
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Desmoceras sp.
Zittel 1884
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Parasilesites irregularis n. sp.
Imlay 1960
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Imlay 1960 | |||||||||
| (1 measurement) | ||||||||||
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Parasilesites bullatus n. gen., n. sp.
Imlay 1959
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| (1 measurement) | ||||||||||
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Valdedorsella sp.
Breistroffer 1947
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| (1 measurement) | ||||||||||
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= ? Valdedorsella whiteavesi n. sp.
Imlay 1960
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Imlay 1960 | |||||||||
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Puzosia sp.
Bayle 1878
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| (2 measurements) | ||||||||||
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= Puzosia alaskana n. sp.
Imlay 1960
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Imlay 1960 | |||||||||
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Cephalopoda
- Ammonitida
- Tetragonitidae
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Tetragonites aff. timotheanus
(Pictet 1847)
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| recombined as Tetragonites (Tetragonites) timotheanus | ||||||||||
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Kossmatella cappsi n. sp.
Imlay 1960
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Imlay 1960 | |||||||||
| synonym of Anagaudryceras sacya | ||||||||||
| (1 measurement) | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Alaska |
| Coordinates: | 61.2° North, 142.3° West (view map) | ||
| Paleocoordinates: | 56.0° North, 84.8° West | ||
| Basis of coordinate: | estimated from map | ||
| Altitude: | 3450 feet | ||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| Stage: | Albian | 10 m.y. bin: | Cretaceous 4 |
| Key time interval: | Albian | ||
| Age range of interval: | 113.00000 - 100.50000 m.y. ago |
Stratigraphy
| Local section: | USGS mes. loc. 9492 | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: this faunale is either early Albian or early middle Albian in age | |||||
Lithology and environment
| Primary lithology: | sandstone |
| Environment: | marginal marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | good |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | USGS |
Metadata
| Database number: | 38516 | ||
| Authorizer: | M. Aberhan, A. Hendy | Enterer: | S. Nurnberg, A. Hendy |
| Modifier: | S. Nurnberg | Research group: | marine invertebrate |
| Created: | 2004-04-23 02:57:13 | Last modified: | 2004-04-23 07:12:54 |
| Access level: | the public | Released: | 2004-04-23 02:57:13 |
| 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] |