CH1. Angosto de Chucalezna, Quebrada de Humahuaca: Tremadoc, Argentina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Trilobita
- Asaphida
- Asaphidae
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Asaphellus jujuanus
Harrington 1937
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Trilobita
- Trinucleida
- Alsataspididae
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Hapalopleura clavata
Harrington and Leanza 1957
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Hapalopleura longicornis
Harrington and Leanza 1957
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Trilobita
- Ptychopariida
- Shumardiidae
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Shumardia (Conophrys) minutula
Harrington 1938
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| recombined as Conophrys minutula | ||||||||||
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Trilobita
- Olenida
- Olenidae
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Leptoplastides marianus
(Hoek 1912)
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Protopeltura mesembria
Harrington and Leanza 1957
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Conodonta
- Protopanderodontida
- Drepanoistodontidae
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Drepanoistodus chuealeznensis
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2 elements | |||||||||
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Paltodus pristinus
(Viira 1970)
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2 elements | |||||||||
| recombined as Paltodus deltifer pristinus | ||||||||||
| Paltodus deltifer pristinus | ||||||||||
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Conodonta
- Protopanderodontida
- Oneotodontidae
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Teridontus nakamurai
(Nogami 1967)
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3 elements | |||||||||
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Utahconus humahuacensis
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10 elements | |||||||||
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Conodonta
- Prioniodontida
- Acodontidae
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Drepanodus arcuatus
Pander 1856
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11 elements | |||||||||
| synonym of Acodus similaris | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Argentina | State/province: | Jujuy |
| Coordinates: | 24.8° South, 65.3° West (view map) | ||
| Paleocoordinates: | 43.7° South, 129.6° West | ||
| Basis of coordinate: | based on political unit | ||
| Geographic resolution: | outcrop |
Time
| 10 m.y. bin: | Cambrian-Ordovician | ||
| Key time interval: | Tremadoc | Trilobite zone: | Bienvillia tetragonalis - Shumardia (Conophrys) minutula |
| Age range of interval: | 485.00000 - 477.70000 m.y. ago |
Stratigraphy
| Formation: | Rupasca | ||
| Local section: | Angosto de Chucalezna | Local bed: | 9 m |
| Local order: | bottom to top | ||
| Stratigraphic resolution: | formation |
Lithology and environment
| Primary lithology: | gray,green "shale" |
| Lithology description: Niveles pizarrosos y de areniscas finas verde-grisáceas (~ Fine arenaceous greenish-gray shale) | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 210703 | ||
| Authorizer: | P. Wagner | Enterer: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2020-06-15 23:50:25 | Last modified: | 2020-06-15 23:50:25 |
| Access level: | the public | Released: | 2020-06-15 23:50:25 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 72735. | G. L. Albanesi and G. F. Aceñolaza. 2005. Conodontes de la Formación Rupasca (Ordovícico Inferior) en el Angosto de Chucalezna, Cordillera Oriental de Jujuy: nuevos elementos bioestratigráficos para una localidad clásica del noroeste argentino. Ameghiniana 42(2):295-310 [P. Wagner/P. Wagner] |