Rhea Corner Member, Alexander Island: Late Aptian, Antarctica
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda
- Phylloceratida
- Phylloceratidae
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Hypophylloceras sp.
(Salfeld 1924)
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Cephalopoda
- Ammonitida
- Ancyloceratidae
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Lithancylus sp.
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? Tropaeum sp.
Sowerby 1837
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Cephalopoda
- Ammonitida
- Acrioceratidae
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Helicancylus cf. patagonicus
(Stolley 1912)
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Cephalopoda
- Ammonitida
- Oppeliidae
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Sammartinoceras (Sinzovia) sp.
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Aconeceras sp.
Hyatt 1903
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Cephalopoda
- Ammonitida
- Silesitidae
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Neosilesites sp.
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see common names |
Geography
Country: | Antarctica |
Coordinates: | 71.8° South, 68.5° West (view map) |
Paleocoordinates: | 64.8° South, 38.1° West (Wright 2013) |
Basis of coordinate: | estimated from map |
Geographic resolution: | local area |
Time
Period: | Cretaceous | Epoch: | Early Cretaceous |
10 m.y. bin: | Cretaceous 2-3 | ||
Key time interval: | Late Aptian | ||
Age range of interval: | 119.5 - 113 m.y. ago |
Stratigraphy
Geological group: | Fossil Bluff | Formation: | Pluto Glacier | Member: | Rhea Corner |
Stratigraphic resolution: | group of beds | ||||
Stratigraphy comments: fauna indicates a late Aptian age |
Lithology and environment
Primary lithology: | lithified mudstone | ||
Environment: | offshore | Tectonic setting: | forearc basin |
Taphonomy
Size of fossils: | macrofossils |
Collection methods and comments
Collection methods: | field collection |
Reason for describing collection: | biostratigraphic analysis |
Taxonomic list comments:fauna provisionally identified |
Metadata
Database number: | 64242 | ||
Authorizer: | M. Aberhan | Enterer: | S. Nurnberg |
Modifier: | S. Nurnberg | Research group: | marine invertebrate |
Created: | 2006-09-05 04:08:01 | Last modified: | 2025-02-22 15:12:02 |
Access level: | the public | Released: | 2006-09-05 04:08:01 |
Creative Commons license: | CC0 |
Reference information
Primary reference:
18542. | S. R. A. Kelly and A. C. M. Moncrieff. 1992. Marine molluscan constraints on the age of Cretaceous fossil forests of Alexander Island, Antarctica. Geological Magazine 129(6):771-778 [M. Aberhan/S. Nurnberg] |