Camargo Syncline: Arenig, Bolivia
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Pterobranchia
- Graptoloidea
- Pterograptidae
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Didymograptus vdeflexus
Harris 1924
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| recombined as Yutagraptus vdeflexus | ||||||||||
| Didymograptus v-deflexus; List 2 | ||||||||||
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Didymograptus nitidus
(Hall 1858)
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| recombined as Didymograptellus nitidus | ||||||||||
| List 2 | ||||||||||
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Pterobranchia
- Dendroidea
- Acanthograptidae
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Dictyonema sp.
Hall 1851
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| List 2 | ||||||||||
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Cephalopoda
- Endocerida
- Endoceratidae
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Endoceras sp.
Hall 1847
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| List 1 & 2 | ||||||||||
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Cephalopoda
- Ellesmerocerida
- Ellesmeroceratidae
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Pachendoceras sp.
Ulrich and Foerste 1936
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| List 2 | ||||||||||
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Gastropoda
- Euomphalina
- Ophiletidae
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Lecanospira sp.
Butts 1926
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Gastropoda
- Bellerophontida
- Tropidodiscidae
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Bucania cyrtoglypha
Harrington 1938
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| synonym of Peelerophon oehlerti | ||||||||||
| List 2 | ||||||||||
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Rhynchonellata
- Orthida
- Orthidae
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Orthis aff. calligrama
(Dalman 1828)
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| recombined as Orthambonites calligramme | ||||||||||
| List 2 | ||||||||||
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Trilobita
- Asaphida
- Asaphidae
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Megalaspidella sp.
Kobayashi 1937
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| synonym of Asaphellus | ||||||||||
| List 2 | ||||||||||
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Thysanopyge argentina
Kayser 1898
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| List 1 & 2 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Bolivia |
| Coordinates: | 21.0° South, 65.0° West (view map) |
| Paleocoordinates: | 45.3° South, 129.1° West |
| Geographic resolution: | local area |
Time
| Period: | Ordovician | ||
| 10 m.y. bin: | Ordovician 2 | ||
| *Period: | Early/Lower Ordovician | *Epoch: | Early/Lower Arenig |
| *International age/stage: | Early/Lower Arenig | ||
| Key time interval: | Arenig | ||
| Age range of interval: | 477.70000 - 468.40000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | San Lorenzo | ||||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: PJW: Graptolites are those found in Isograptus gibberulus zone | |||||
Lithology and environment
| Primary lithology: | black,gray,green lithified "shale" |
| Secondary lithology: | sandstone |
| Lithology description: dark gray, greenish, and black shale with thin intercalations of white-yellow quartzite | |
| Environment: | submarine fan |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis |
| Collection method comments: JA: marked by Novack-Gottshall without explanation as omitting some genera, some macrofossils, some microfossils, and species names, but apparently complete | |
Metadata
| Also known as: | San Lorenzo Fm., Camargo Syncline, San Lorenzo and Sella, Bolivia | ||
| Database number: | 8843 | ||
| Authorizer: | A. Miller | Enterer: | P. Novack-Gottshall |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2000-09-01 11:19:48 | Last modified: | 2019-08-06 13:46:09 |
| Access level: | the public | Released: | 2000-09-01 11:19:48 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 675. | R. Suarez Soruco. 1976. El sistema ordovicico en Bolivia. Revista Tecnica YPF Bolivia 5(2):111-123 [A. Miller/P. Novack-Gottshall/M. Uhen] |