KT section Opaso, Neuquén Basin, OP1: Danian, Argentina
collected by Aberhan, M., Kiessling, W., Scholz, H., Medina, F. A. 26032003
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Echinoidea
- Echinoida
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Echinoida informal irr
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1 individual | |||||||||
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Polychaeta
- Sabellida
- Serpulidae
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Serpula sp.
Linnaeus 1758
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10 individuals | |||||||||
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Gastropoda
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Gastropoda indet.
Cuvier 1795
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8 individuals | |||||||||
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Gastropoda
- Heterostropha
- Acteonidae
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cf. Tornatellaea sp.
Conrad 1860
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1 individual | |||||||||
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Gastropoda
- Neogastropoda
- Fasciolariidae
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Cryptorhytis informal sp. A
Meek 1876
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2 individuals | |||||||||
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Gastropoda
- Aporrhaidae
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Struthioptera sp.
Finlay and Marwick 1937
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3 individuals | |||||||||
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Gastropoda
- Cassidae
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aff. Galeodea mirabilis
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1 individual | |||||||||
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Bivalvia
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Bivalvia indet.
Linnaeus 1758
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2 individuals | |||||||||
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Bivalvia
- Nuculanida
- Nuculanidae
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Yoldia (Calorhadia) perdita
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7 individuals | |||||||||
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= Spineilo perdita
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Aberhan 2010 | |||||||||
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Nuculana cf. amuriensis
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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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6 individuals | |||||||||
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Bivalvia
- Pectinida
- Pectinidae
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Camptonectes (Camptonectes) sp.
Meek 1864
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5 individuals | |||||||||
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= Delectopecten neuquenensis
del Rio et al. 2008
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Aberhan 2010 | |||||||||
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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
- Ostreida
- Pinnidae
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Pinna cf. freneixae
Zinsmeister and Macellari 1988
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1 individual | |||||||||
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Bivalvia
- Ostreida
- Gryphaeidae
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Pycnodonte (Phygraea) burckhardti
(Bohm 1903)
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21 individuals | |||||||||
| [entered as Pycnodonte (Phygrea) burckhardti] | ||||||||||
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Bivalvia
- Arcida
- Parallelodontidae
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Nemodon sulcatinus
(Evans and Shumard 1857)
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15 individuals | |||||||||
| recombined as Grammatodon (Cosmetodon) sulcatinus | ||||||||||
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Bivalvia
- Cardiida
- Veneridae
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Aphrodina burckhardti
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3 individuals | |||||||||
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Aphrodina (Tikia) wilckensi
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2 individuals | |||||||||
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Bivalvia
- Hiatellida
- Hiatellidae
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Panopea informal sp. A
(Menard 1807)
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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
- Carditida
- Carditidae
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Venericardia iheringi
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4 individuals | |||||||||
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Bivalvia
- Carditida
- Astartidae
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Disparilia sp.
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1 individual | |||||||||
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Bivalvia
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Heterodonta informal sp. G
Neumayr 1884
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2 individuals | |||||||||
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Anthozoa
- Scleractinia
- Flabellidae
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Flabellum sp.
Lesson 1831
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3 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: | 26.03.2003 |
| Collection method comments: Number of individuals was determined according to standard procedures. Bivalves: articulated valves plus larger number of right or left valves plus half of undetermined fragments. | |||
| Taxonomic list comments:Echinoid spines and plates were found but not reported. | |||
Metadata
| Database number: | 73922 | ||
| Authorizer: | W. Kiessling, M. Aberhan | Enterer: | S. Weidemeyer, W. Kiessling, S. Nurnberg |
| Modifier: | S. Weidemeyer | Research group: | marine invertebrate |
| Created: | 2007-07-12 11:25:08 | Last modified: | 2017-05-23 16:34:15 |
| Access level: | authorizer only | Released: | 2009-07-12 11:25:08 |
| Creative Commons license: | CC BY |
Reference information