Alaska, Kennicott Formation, USGS Mes. loc. 9972: Early Albian, Alaska
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Bivalvia
- Pectinida
- Buchiidae
|
||||||||||
|
Aucellina sp.
Pompeckj 1901
|
||||||||||
|
Cephalopoda
- Phylloceratida
- Phylloceratidae
|
||||||||||
|
Phyllopachyceras cf. shastalense
|
Imlay 1960 | |||||||||
|
Calliphylloceras cf. aldersoni
|
Imlay 1960 | |||||||||
|
Cephalopoda
- Ammonitida
- Ptychoceratidae
|
||||||||||
|
Ptychoceras cf. laeve
(Gabb 1869)
|
||||||||||
|
Cephalopoda
- Ammonitida
- Desmoceratidae
|
||||||||||
|
Leconteites modestus
(Anderson 1938)
|
||||||||||
|
Puzosigella spp.
Casey 1954
|
||||||||||
|
Leconteites deansii
(Whiteaves 1893)
|
||||||||||
|
Puzosia sp.
Bayle 1878
|
Imlay 1960 | |||||||||
|
Callizoniceras sp.
|
||||||||||
|
Kennicottia bifurcata n. gen., n. sp.
Imlay 1959
|
||||||||||
| (1 measurement) | ||||||||||
|
Cephalopoda
- Ammonitida
- Kossmaticeratidae
|
||||||||||
|
Moffitites robustus
Imlay 1959
|
Imlay 1960 | |||||||||
| (1 measurement) | ||||||||||
|
Cephalopoda
- Ammonitida
- Tetragonitidae
|
||||||||||
|
Anagaudryceras aurarium
(Anderson 1938)
|
||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Alaska |
| Coordinates: | 61.5° North, 143.2° 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 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. 9972 |
| Stratigraphic resolution: | group of beds |
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 |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | USGS |
Metadata
| Database number: | 38478 | ||
| Authorizer: | M. Aberhan, A. Hendy | Enterer: | M. Aberhan, S. Nurnberg, A. Hendy |
| Modifier: | S. Nurnberg | Research group: | marine invertebrate |
| Created: | 2004-04-22 02:13:31 | Last modified: | 2004-04-23 05:51:29 |
| Access level: | the public | Released: | 2004-07-22 02:13:31 |
| 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] |