Leptocoelia-Acrospirifer Comm., Cano Grande Fmn., Sierra de Perija: Pragian, Venezuela
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Rhynchonellata
- Athyridida
- Meristellidae
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Meristella sp.
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Rhynchonellata
- Rhynchonellida
- Leptocoeliidae
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Leptocoelia sp.
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Rhynchonellata
- Tropidoleptidae
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Tropidoleptus sp.
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Rhynchonellata
- Spiriferinida
- Cyrtinidae
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Cyrtina sp.
Davidson 1858
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Rhynchonellata
- Orthida
- Platyorthidae
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Platyorthis sp.
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Rhynchonellata
- Spiriferida
- Elythidae
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Elita sp.
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Rhynchonellata
- Spiriferida
- Acrospiriferidae
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Acrospirifer sp.
Wedekind 1926
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Costispirifer sp.
Copper 1942
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Rhynchonellata
- Terebratulida
- Centronellidae
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Beachia sp.
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Prionothyris sp.
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Strophomenata
- Strophomenida
- Leptostrophiidae
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Leptostrophia sp.
Hall and Clarke 1892
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unclassified
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Echinodermata indet.
Klein 1754
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| pelmatozoan columnals | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Venezuela |
| Coordinates: | 10.5° North, 72.5° West (view map) |
| Paleocoordinates: | 16.6° South, 66.5° West |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | local area |
Time
| Period: | Devonian | Epoch: | Early/Lower Devonian |
| Stage: | Pragian | 10 m.y. bin: | Devonian 1 |
| Key time interval: | Pragian | ||
| Age range of interval: | 410.80000 - 407.60000 m.y. ago |
Stratigraphy
| Geological group: | Rio Cachira | Formation: | Cano Grande |
| Stratigraphic resolution: | member |
Lithology and environment
| Primary lithology: | sandstone |
| Secondary lithology: | micaceous "shale" |
| Lithology description: "Areniscas cuarzosas entrecruzadas con coquinas, intercalades con lutitas micaceas" | |
| Environment: | marine indet. |
| Geology comments: Unit interpreted as shallow marine deposit (playa y llanura de marea). Overall sequence is interpreted as transgressive-regressive cycle related to prograding delta complex. | |
Taphonomy
Collection methods and comments
| Reason for describing collection: | paleoecologic analysis |
| Collection method comments: Abundances are given by authors. | |
Metadata
| Database number: | 35894 | ||
| Authorizer: | M. Foote | Enterer: | M. Foote |
| Modifier: | M. Foote | Research group: | marine invertebrate |
| Created: | 2004-01-08 20:10:52 | Last modified: | 2006-09-13 14:01:03 |
| Access level: | the public | Released: | 2004-01-08 20:10:52 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 9641. | T. M. Sanchez and J. L. Benedetto. 1983. Paleoecologia, comunidades bentonicas y sucesion paleoambiental en el Grupo Rio Cachiri, Devonico, Sierra de Perija, Venezueal. Ameghiniana 20(3-4):163-198 [M. Foote/M. Foote/M. Foote] |