KT section Opaso, Neuquén Basin, OP26: Danian, Argentina
collected by Aberhan, M., Kiessling, W., Weidemeyer, S. 18032004
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
unclassified
|
||||||||||
|
Bryozoa indet.
Ehrenberg 1831
|
1 individual | |||||||||
|
Polychaeta
- Sabellida
- Serpulidae
|
||||||||||
|
Serpula sp.
Linnaeus 1758
|
14 individuals | |||||||||
|
Gastropoda
|
||||||||||
|
Gastropoda indet.
Cuvier 1795
|
1 individual | |||||||||
|
Gastropoda
- Naticidae
|
||||||||||
|
Naticidae informal sp.
Guilding 1834
|
3 individuals | |||||||||
|
Gastropoda
- Neogastropoda
- Fasciolariidae
|
||||||||||
|
Cryptorhytis informal sp. A
Meek 1876
|
2 individuals | |||||||||
|
Gastropoda
- Aporrhaidae
|
||||||||||
|
Struthioptera sp.
Finlay and Marwick 1937
|
11 individuals | |||||||||
|
Bivalvia
- Nuculanida
- Nuculanidae
|
||||||||||
|
Nuculanidae indet.
Adams and Adams 1858
|
1 individual | |||||||||
|
Yoldia (Calorhadia) perdita
|
1 individual | |||||||||
|
= Spineilo perdita
|
Aberhan 2010 | |||||||||
|
Nuculana cf. amuriensis
|
8 individuals | |||||||||
|
Bivalvia
- Nuculida
|
||||||||||
|
Nuculoida indet.
Dall 1889
|
1 individual | |||||||||
| corrected as Nuculida | ||||||||||
|
Bivalvia
- Pectinida
- Pectinidae
|
||||||||||
|
Camptonectes (Camptonectes) sp.
Meek 1864
|
9 individuals | |||||||||
|
= Delectopecten neuquenensis
del Rio et al. 2008
|
Aberhan 2010 | |||||||||
|
Bivalvia
- Ostreida
- Gryphaeidae
|
||||||||||
|
Pycnodonte (Phygraea) burckhardti
(Bohm 1903)
|
3 individuals | |||||||||
| [entered as Pycnodonte (Phygrea) burckhardti] | ||||||||||
|
Bivalvia
- Arcida
- Parallelodontidae
|
||||||||||
|
Nemodon sulcatinus
(Evans and Shumard 1857)
|
7 individuals | |||||||||
| recombined as Grammatodon (Cosmetodon) sulcatinus | ||||||||||
|
Bivalvia
- Cardiida
- Cardiidae
|
||||||||||
|
Cardiidae informal sp. B
Lamarck 1809
|
1 individual | |||||||||
|
Bivalvia
- Cardiida
- Veneridae
|
||||||||||
|
Aphrodina (Tikia) wilckensi
|
1 individual | |||||||||
|
Bivalvia
- Lucinida
- Lucinidae
|
||||||||||
|
Pteromyrtea sp.
Finlay 1926
|
4 individuals | |||||||||
|
Bivalvia
- Carditida
- Carditidae
|
||||||||||
|
Venericardia iheringi
|
1 individual | |||||||||
|
Bivalvia
- Carditida
- Astartidae
|
||||||||||
|
Disparilia sp.
|
2 individuals | |||||||||
|
Anthozoa
- Scleractinia
- Flabellidae
|
||||||||||
|
Flabellum sp.
Lesson 1831
|
2 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., Weidemeyer, S. | Collection dates: | 18.03.2004 |
| 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 plates and fish fragments were found but not reported. | |||
Metadata
| Database number: | 73925 | ||
| Authorizer: | W. Kiessling, M. Aberhan | Enterer: | S. Weidemeyer, S. Nurnberg |
| Modifier: | S. Weidemeyer | Research group: | marine invertebrate |
| Created: | 2007-07-12 12:42:49 | Last modified: | 2017-05-23 16:34:15 |
| Access level: | authorizer only | Released: | 2009-07-12 12:42:49 |
| Creative Commons license: | CC BY |
Reference information