Astarte R. "D": Late/Upper Triassic, Greenland
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Polypodiopsida
- Gleicheniales
- Dipteridaceae
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Thaumatopteris schenki
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Dictyophyllum exile
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Polypodiopsida
- Equisetales
- Calamitaceae
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Neocalamites hoerensis
Schimper 1908
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Polypodiopsida
- Equisetales
- Equisetaceae
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Equisetites laevis
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Peltaspermopsida
- Peltaspermales
- Umkomasiaceae
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Ptilozamites nilssoni
(Nathorst 1878)
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| misspelling Ptilozamites nilssonii | |||||||
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Coniferales
- Palissyaceae
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Stachyotaxus elegans
Nathorst 1908
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Bennettitales
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Anomozamites minor
Nathorst 1878
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Cycadopsida
- Cycadales
- Nilssoniaceae
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Pseudoctenis spectabilis
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unclassified
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Ontheodendron sternbergi
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Swedenborgia spp.
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Cycadocarpidium spp.
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Ginkgoopsida
- Czekanowskiales
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Czekanowskia nathorsti
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| see common names | |||||||
Geography
| Country: | Greenland |
| Coordinates: | 70.5° North, 22.6° West (view map) |
| Paleocoordinates: | 44.3° North, 1.4° West |
Time
| Period: | Triassic | Epoch: | Late/Upper Triassic |
| 10 m.y. bin: | Triassic 3-4 | ||
| *Period: | Late/Upper Triassic - Early/Lower Jurassic | ||
| Key time interval: | Late/Upper Triassic | Zone: | Transition |
| Age range of interval: | 237.00000 - 201.40000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Cape Stewart | ||||
| Local section: | Astarte R. | Local bed: | "D" | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: 58 m from top of plant bearing part of Cape Stewart Formation | |||||
Lithology and environment
| Primary lithology: | yellow sandstone |
| Secondary lithology: | "shale" |
| Includes fossils? | Y |
| Lithology description: lagoonal facies formed by disused parts of river channels where much finer sediments were deposited | |
| Environment: | deltaic indet. |
Taphonomy
| Size of fossils: | macrofossils |
| Spatial resolution: | autochthonous |
Collection methods and comments
| Collection methods: | selective quarrying,surface (in situ),mechanical,field collection |
| Reason for describing collection: | paleoecologic analysis |
Metadata
| Also known as: | Transition Zone | ||
| Database number: | 23943 | ||
| Authorizer: | A. Rees | Enterer: | D. Sunderlin |
| Modifier: | J. Alroy | Research group: | paleobotany |
| Created: | 2002-07-24 07:58:45 | Last modified: | 2005-12-13 13:19:57 |
| Access level: | group members | Released: | 2002-07-24 07:58:45 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 6704. | PGAP | T. M. Harris. 1937. Stratigraphic relations of the plant beds. The Fossil Flora of Scoresby Sound, East Greenland [A. Rees/D. Sunderlin/D. Sunderlin] |