SJF09. Las Aguaditas Type Section.: Darriwilian, Argentina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Conodonta
- Belodellida
- Ansellidae
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Ansella jemtlandica
(Löfgren 1978)
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3 specimens | |||||||||
Conodonta
- Prioniodontida
- Acodontidae
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Pteracontiodus cryptodens
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4 specimens | |||||||||
Drepanodus arcuatus
Pander 1856
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3 specimens | |||||||||
synonym of Acodus similaris | ||||||||||
Conodonta
- Prioniodontida
- Paracordylodontidae
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Fahraeusodus informal n. sp.
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3 specimens | |||||||||
Conodonta
- Panderodontida
- Panderodontidae
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Parapanderodus paracornuformis
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1 specimen | |||||||||
Conodonta
- Protopanderodontida
- Cornuodontidae
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Cornuodus longibasis
(Lindström 1955)
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5 specimens | |||||||||
Conodonta
- Protopanderodontida
- Drepanoistodontidae
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Drepanoistodus sp.
Lindstrom 1971
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1 specimen | |||||||||
Drepanoistodus costatus
(Abaimova 1971)
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1 specimen | |||||||||
Paroistodus secundus
(Albanesi 1998)
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8 specimens | |||||||||
original and current combination Paroistodus horridus secundus | ||||||||||
Paroistodus horridus secundus | ||||||||||
Paroistodus primus
(Albanesi 1998)
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5 specimens | |||||||||
original and current combination Paroistodus horridus primus | ||||||||||
Paroistodus horridus primus | ||||||||||
Paroistodus originalis
(Sergeeva 1963)
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1 specimen | |||||||||
Conodonta
- Protopanderodontida
- Acanthodontidae
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Parapaltodus simplicissimus
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1 specimen | |||||||||
Conodonta
- Protopanderodontida
- Oneotodontidae
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Semiacontiodus potrerillensis
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8 specimens | |||||||||
Conodonta
- Protopanderodontida
- Protopanderodontidae
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Protopanderodus gradatus
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3 specimens | |||||||||
Juanognathus jaanussoni
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3 specimens | |||||||||
Conodonta
- Ozarkodinida
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Periodon macrodentatus
(Graves and Ellison 1941)
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18 specimens | |||||||||
see common names |
Geography
Country: | Argentina |
Coordinates: | 30.4° South, 68.8° West (view map) |
Paleocoordinates: | 35.1° South, 132.3° West |
Basis of coordinate: | estimated from map |
Geographic resolution: | small collection |
Time
Period: | Ordovician | Epoch: | Middle Ordovician |
Stage: | Darriwilian | 10 m.y. bin: | Ordovician 3 |
Key time interval: | Darriwilian | ||
Age range of interval: | 467.30000 - 458.40000 m.y. ago |
Stratigraphy
Formation: | San Juan | ||
Local section: | Las Aguaditas Type Section | Local bed: | 3 m |
Local order: | bottom to top | ||
Stratigraphic resolution: | bed |
Lithology and environment
Primary lithology: | lithified wackestone |
Secondary lithology: | lithified lime mudstone |
Environment: | open shallow subtidal |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Collection methods: | field collection |
Reason for describing collection: | taxonomic analysis |
Metadata
Database number: | 210374 | ||
Authorizer: | P. Wagner | Enterer: | P. Wagner | Research group: | marine invertebrate |
Created: | 2020-05-31 12:17:04 | Last modified: | 2020-05-31 12:17:04 |
Access level: | the public | Released: | 2020-05-31 12:17:04 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
72581. | N. A. Feltes, G. L. Albanesi, and S. M. Bergström. 2016. Conodont biostratigraphy and global correlation of the middle Darriwilian-lower Sandbian (Ordovician) Las Aguaditas Formation, Precordillera of San Juan, Argentina. Andean Geology 43(1):60-85 [P. Wagner/P. Wagner] |