KT section Paso del Sapo, Canadón Asfalto Basin, SM58: Danian, Argentina
collected by Aberhan, M., Kiessling, W., Weidemeyer, S. 06042003
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Polychaeta
- Sabellida
- Serpulidae
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Serpula sp.
Linnaeus 1758
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1 individual | ||||||
Gastropoda
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Gastropoda indet.
Cuvier 1795
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11 individuals | ||||||
Pseudotylostoma cf. romeroi
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5 individuals | ||||||
Gastropoda
- Ampullinidae
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Pseudamaura dubia
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15 individuals | ||||||
spelled with current rank as Ampullina (Pseudamaura) | |||||||
Gastropoda
- Naticidae
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Euspira cf. pueyrredonensis
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2 individuals | ||||||
Gastropoda
- Neogastropoda
- Fasciolariidae
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Fusininae informal sp. B
Swainson 1840
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1 individual | ||||||
Gastropoda
- Neogastropoda
- Tudiclidae
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Heteroterma cf. tumida
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6 individuals | ||||||
Gastropoda
- Aporrhaidae
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Struthioptera aff. osiris
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20 individuals | ||||||
Bivalvia
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Bivalvia indet.
Linnaeus 1758
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14 individuals | ||||||
Bivalvia
- Nuculanida
- Nuculanidae
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Yoldia (Calorhadia) perdita
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1 individual | ||||||
= Spineilo perdita
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Aberhan 2010 | ||||||
Bivalvia
- Ostreida
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Ostreoidea sp.
(Rafinesque 1815)
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1 individual | ||||||
original and current combination Ostreacea | |||||||
Bivalvia
- Ostreida
- Ostreidae
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Ostrea wilckensi
Ihering 1907
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6 individuals | ||||||
Bivalvia
- Cardiida
- Veneridae
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Meretrix chalcedonica
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29 individuals | ||||||
Bivalvia
- Hiatellida
- Hiatellidae
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Panopea patagonica
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7 individuals | ||||||
Panopea sp.
(Menard 1807)
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3 individuals | ||||||
Bivalvia
- Lucinida
- Lucinidae
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Pteromyrtea sp.
Finlay 1926
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1 individual | ||||||
Bivalvia
- Carditida
- Carditidae
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Venericardia iheringi
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13 individuals | ||||||
Bivalvia
- Carditida
- Astartidae
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Eriphyla meridiana
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2 individuals | ||||||
see common names |
Geography
Country: | Argentina | State/province: | Chubut |
Coordinates: | 42.7° South, 70.0° West (view map) | ||
Paleocoordinates: | 45.1° South, 58.9° 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
Formation: | Lefipán | ||||
Local section: | Estancia San Martin | Local bed: | 82.45 m | ||
Local order: | bottom to top | ||||
Stratigraphic resolution: | group of beds | ||||
Stratigraphy comments: K/T boundary (basis of SM30) is at 0 m. Beds lumped over 0.40 m. Data from bed/horizon refers to midpoint of sampled beds. |
Lithology and environment
Primary lithology: | "carbonate" | ||
Includes fossils? | Y | ||
Environment: | transition zone/lower shoreface | Tectonic setting: | foreland basin |
Geology comments: inner shelf environment. |
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., Weidemeyer, S. | Collection dates: | 06.04.2003 |
Metadata
Database number: | 74161 | ||
Authorizer: | W. Kiessling, M. Aberhan | Enterer: | S. Weidemeyer, S. Nurnberg |
Modifier: | S. Weidemeyer | Research group: | marine invertebrate |
Created: | 2007-07-26 06:42:19 | Last modified: | 2017-05-23 16:34:15 |
Access level: | authorizer only | Released: | 2009-07-26 06:42:19 |
Creative Commons license: | CC BY |
Reference information