KT section Opaso, Neuquén Basin, OP21: Late/Upper Maastrichtian, 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
Bivalvia
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Bivalvia indet.
Linnaeus 1758
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1 individual | |||||||||
Bivalvia
- Lucinida
- Lucinidae
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Pteromyrtea sp.
Finlay 1926
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3 individuals | |||||||||
Finlay 1926 | ||||||||||
Bivalvia
- Cardiida
- Veneridae
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Mesocallista aff. solitaria
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1 individual | |||||||||
(Stoliczka 1871) | ||||||||||
Bivalvia
- Arcida
- Parallelodontidae
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Nemodon sulcatinus
(Evans and Shumard 1857)
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1 individual | |||||||||
recombined as Grammatodon (Cosmetodon) sulcatinus | ||||||||||
(Evans & Shumard 1857) | ||||||||||
Bivalvia
- Ostreida
- Pteriidae
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Phelopteria sp.
Stephenson 1953
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1 individual | |||||||||
Stephenson 1953 | ||||||||||
Bivalvia
- Ostreida
- Gryphaeidae
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Amphidonte mendozana
(Ihering 1907)
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8 individuals | |||||||||
(Ihering 1907) | ||||||||||
Bivalvia
- Pectinida
- Entoliidae
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Entolium (Entolium) membranaceum
(Nilsson 1827)
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12 individuals | |||||||||
recombined as Pecten (Syncyclonema) membranaceus | ||||||||||
Bivalvia
- Pectinida
- Limidae
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Pseudolimea angusta
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2 individuals | |||||||||
(Camacho 1968) | ||||||||||
Bivalvia
- Pectinida
- Anomiidae
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Paranomia sp.
Conrad 1860
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1 individual | |||||||||
= Anomia sp.
Linnaeus 1758
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Aberhan 2010 | |||||||||
Bivalvia
- Pectinida
- Pectinidae
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Camptonectes (Camptochlamys) aff. tutorae
Casadío et al. 2005
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1 individual | |||||||||
Lyriochlamys modestus
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14 individuals | |||||||||
(Camacho 1968) | ||||||||||
Gastropoda
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Gastropoda indet.
Cuvier 1795
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1 individual | |||||||||
see common names |
Geography
Country: | Argentina | State/province: | Neuquén | County: | Añelo |
Coordinates: | 38.1° South, 68.4° West (view map) | ||||
Paleocoordinates: | 40.4° South, 56.3° West | ||||
Basis of coordinate: | unpublished field data | ||||
Geographic resolution: | small collection |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 |
Key time interval: | Late/Upper Maastrichtian | ||
Age range of interval: | 72.10000 - 66.00000 m.y. ago |
Stratigraphy
Lithology and environment
Primary lithology: | green,yellow 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: | some macrofossils | ||
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 plates were found but not reported. |
Metadata
Database number: | 73882 | ||
Authorizer: | W. Kiessling | Enterer: | S. Weidemeyer, W. Kiessling |
Modifier: | M. Carrano | Research group: | marine invertebrate |
Created: | 2007-07-11 08:23:14 | Last modified: | 2021-04-14 12:27:36 |
Access level: | the public | Released: | 2007-07-11 08:23:14 |
Creative Commons license: | CC BY |
Reference information