USGS 9536, Fivemile Cove, Gravina Island : Lacian, Alaska
collected by T. Chapin 1915
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
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Gastropoda indet.
Cuvier 1795
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Buddington and Chapin 1929 | |||||||||
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Gastropoda
- Purpurinidae
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Purpurina gravinaensis n. sp.
Smith 1927
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| ? Purpurina sp. in Buddington & Chapin, 1929 | ||||||||||
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Bivalvia
- Pectinida
- Pectinidae
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"Pecten" sp.
Müller 1776
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Buddington and Chapin 1929 | |||||||||
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unclassified
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Bryozoa indet.
Ehrenberg 1831
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Buddington and Chapin 1929 | |||||||||
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Hydrozoa
- Spongiomorphida
- Spongiomorphidae
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Spongiomorpha (Heptastylopsis) gibbosa
Frech 1890
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Anthozoa
- Scleractinia
- Reimaniphylliidae
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Confusastrea grandissima
(Frech 1890)
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= Margarastraea aff. deningeri
Wilckens 1937
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Montanaro-Gallitelli et al. 1979 | |||||||||
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= Paracuifia smithi n. sp.
Caruthers and Stanley 2008
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Caruthers and Stanley 2008 | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Alaska |
| Coordinates: | 55.2° North, 131.8° West (view map) | ||
| Paleocoordinates: | 0.0° South, 70.9° West | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | outcrop |
Time
| Period: | Triassic | Epoch: | Late/Upper Triassic |
| Stage: | Norian | 10 m.y. bin: | Triassic 4 |
| Key time interval: | Lacian | ||
| Age range of interval: | 227.00000 - 216.70000 m.y. ago |
Stratigraphy
| Formation: | Nehenta | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Lower Norian coral zone | |||||
Lithology and environment
| Primary lithology: | lithified "limestone" |
| Environment: | carbonate indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis | ||
| Museum repositories: | USNM | ||
| Collectors: | T. Chapin | Collection dates: | 1915 |
| Taxonomic list comments:Identified by T.W. Stanton. | |||
Metadata
| Also known as: | 15 ACh 129 | ||
| Database number: | 112242 | ||
| Authorizer: | A. Miller, M. Clapham | Enterer: | S. Kolbe, M. Clapham |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2011-07-07 01:44:30 | Last modified: | 2013-05-05 17:31:42 |
| Access level: | the public | Released: | 2011-07-07 01:44:30 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 8858. | J. P. Smith. 1927. Upper Triassic marine invertebrate faunas of North America. United States Geological Survey Professional Paper 141:1-262 [D. Bottjer/C. Powers/M. Clapham] |
Secondary references:
| 36540 | A. F. Buddington and T. Chapin. 1929. Geology and mineral deposits of southeastern Alaska. United States Geological Survey Bulletin 800:1-398 [A. Miller/S. Kolbe] | |
| 27540 | A. H. Caruthers and G. D. Stanley , Jr. 2008. Systematic analysis of upper triassic silicified scleractinian corals from Wrangellia and the Alexander Terrane, Alaska and British Columbia. Journal of Paleontology 82(3):470-491 [W. Kiessling/A. Girndt] | |
| 28912 | E. Montanaro-Gallitelli, A. Russo, and P. Ferrari. 1979. Upper Triassic coelenterates of western North America. Bollettino della Societa Paleontologica Italiana 18(1):133-156 [W. Kiessling/U. Merkel] |