KT section Sierra Huantraico, Neuquén Basin, HU6: Maastrichtian, Argentina
collected by Aberhan, M., Kiessling, W., Weidemeyer, S. 11032004
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Polychaeta
- Sabellida
- Serpulidae
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Serpula sp.
Linnaeus 1758
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1 individual | ||||||
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Bivalvia
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Bivalvia indet.
Linnaeus 1758
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1 individual | ||||||
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Bivalvia
- Ostreida
- Gryphaeidae
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Pycnodonte vesicularis
(Lamarck 1806)
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6 individuals | ||||||
| recombined as Pycnodonta vesicularis | |||||||
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Bivalvia
- Ostreida
- Pteriidae
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Phelopteria sp.
Stephenson 1953
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1 individual | ||||||
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Bivalvia
- Pectinida
- Pectinidae
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Lyriochlamys modestus
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1 individual | ||||||
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Camptonectes (Camptochlamys) aff. tutorae
Casadío et al. 2005
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2 individuals | ||||||
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Bivalvia
- Pectinida
- Anomiidae
|
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Paranomia sp.
Conrad 1860
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1 individual | ||||||
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= Anomia sp.
Linnaeus 1758
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Aberhan 2010 | ||||||
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Bivalvia
- Pectinida
- Limidae
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Pseudolimea angusta
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4 individuals | ||||||
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Pseudolimea informal symmetrica
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1 individual | ||||||
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Bivalvia
- Pectinida
- Entoliidae
|
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Entolium (Entolium) membranaceum
(Nilsson 1827)
|
1 individual | ||||||
| recombined as Pecten (Syncyclonema) membranaceus | |||||||
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Bivalvia
- Carditida
- Astartidae
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Disparilia sp.
|
11 individuals | ||||||
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Eriphyla meridiana
|
1 individual | ||||||
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Bivalvia
- Lucinida
- Lucinidae
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Pteromyrtea sp.
Finlay 1926
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2 individuals | ||||||
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Bivalvia
- Cardiida
- Tellinidae
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Solyma cf. levis
|
11 individuals | ||||||
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Bivalvia
- Cardiida
- Veneridae
|
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Aphrodina (Tikia) cf. thomsoni
|
1 individual | ||||||
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Mesocallista aff. solitaria
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3 individuals | ||||||
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Gastropoda
- Turritellidae
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Turritellidae indet.
Lovén 1847
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2 individuals | ||||||
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Gastropoda
- Naticidae
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Euspira cf. pueyrredonensis
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1 individual | ||||||
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Gastropoda
- Neogastropoda
- Fasciolariidae
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cf. Cryptorhytis philippiana
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1 individual | ||||||
| see common names | |||||||
Geography
| Country: | Argentina | State/province: | Neuquén |
| Coordinates: | 37.6° South, 69.9° West (view map) | ||
| Paleocoordinates: | 39.7° South, 57.6° 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: | Maastrichtian | ||
| Age range of interval: | 72.10000 - 66.00000 m.y. ago |
Stratigraphy
| Geological group: | Malargüe | Formation: | Roca | ||
| Local section: | Huantraico | Local bed: | -44.58 m | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: K/T boundary (basis of HU23) is at 0 m. Beds lumped over 0.25 m. Data from bed/horizon refers to midpoint of sampled beds. | |||||
Lithology and environment
| Primary lithology: | coarse,glauconitic,gray lithified sandstone | ||
| 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: | some macrofossils | ||
| Collection methods: | bulk,mechanical,field collection,observed (not collected) | ||
| Reason for describing collection: | paleoecologic analysis | ||
| Collectors: | Aberhan, M., Kiessling, W., Weidemeyer, S. | Collection dates: | 11.03.2004 |
| Taxonomic list comments:Echinoid spines were reported but not included. | |||
Metadata
| Database number: | 74015 | ||
| Authorizer: | W. Kiessling, M. Aberhan | Enterer: | S. Weidemeyer, S. Nurnberg |
| Modifier: | M. Manojlovic | Research group: | marine invertebrate |
| Created: | 2007-07-17 06:28:56 | Last modified: | 2017-05-23 16:34:15 |
| Access level: | the public | Released: | 2007-07-17 06:28:56 |
| Creative Commons license: | CC BY |
Reference information