KT section Opaso, Neuquén Basin, OP18: Danian, Argentina
collected by Aberhan, M., Kiessling, W., Scholz, H., Medina, F. A. 27032003
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
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Bivalvia indet.
Linnaeus 1758
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4 individuals | |||||||||
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Bivalvia
- Nuculanida
- Malletiidae
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Australoneilo gracilis
(Wilckens 1905)
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1 individual | |||||||||
| (Wilckens 1905) | ||||||||||
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Bivalvia
- Nuculida
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Nuculoida indet.
Dall 1889
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1 individual | |||||||||
| corrected as Nuculida | ||||||||||
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Bivalvia
- Lucinida
- Lucinidae
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Pteromyrtea sp.
Finlay 1926
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3 individuals | |||||||||
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Jagolucina psephenata
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1 individual | |||||||||
| Darragh 1997 | ||||||||||
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Bivalvia
- Cardiida
- Veneridae
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Aphrodina (Tikia) wilckensi
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1 individual | |||||||||
| Woods 1917 | ||||||||||
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Anthozoa
- Scleractinia
- Flabellidae
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Flabellum sp.
Lesson 1831
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9 individuals | |||||||||
| see common names | ||||||||||
Geography
| Country: | Argentina | State/province: | Neuquén |
| Coordinates: | 38.1° South, 68.4° West (view map) | ||
| Paleocoordinates: | 40.6° South, 56.8° West | ||
| Basis of coordinate: | unpublished field data | ||
| Geographic resolution: | small collection |
Time
| Period: | Paleogene | Epoch: | Paleocene |
| Stage: | Danian | 10 m.y. bin: | Cenozoic 1 |
| Key time interval: | Danian | ||
| Age range of interval: | 66.00000 - 61.60000 m.y. ago |
Stratigraphy
Lithology and environment
| Primary lithology: | gray,green lithified calcareous mudstone | ||
| Includes fossils? | Y | ||
| Environment: | offshore | Tectonic setting: | foreland basin |
| Geology comments: mid to outer shelf environment, below normal wave base. | |||
Taphonomy
| Modes of preservation: | body,cast,mold/impression,original calcite,replaced with calcite |
| Size of fossils: | macrofossils,mesofossils |
| Preservation of anatomical detail: | good |
| Temporal resolution: | time-averaged |
| Spatial resolution: | parautochthonous |
Collection methods and comments
| Collection excludes: | all microfossils | ||
| Collection methods: | bulk,mechanical,field collection,observed (not collected) | ||
| Reason for describing collection: | paleoecologic analysis | ||
| Collectors: | Aberhan, M., Kiessling, W., Scholz, H., Medina, F. A. | Collection dates: | 27.03.2003 |
| Taxonomic list comments:Echinoid spines and plates were found but not reported | |||
Metadata
| Database number: | 73885 | ||
| Authorizer: | W. Kiessling | Enterer: | S. Weidemeyer |
| Modifier: | S. Weidemeyer | Research group: | marine invertebrate |
| Created: | 2007-07-11 10:09:09 | Last modified: | 2017-05-23 16:34:15 |
| Access level: | authorizer only | Released: | 2009-07-11 10:09:09 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 24819. | S. Weidemeyer. 2007. Molluscs at the K/Pg boundary in Argentina: Extinction and recovery patterns. unpublished Ph.D. thesis. [W. Kiessling/S. Weidemeyer] |