Locality Za-81. Rio Guaviere: Tremadoc, Colombia
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Agnostida
- Metagnostidae
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Geragnostus tilcuyensis
Kobayashi 1937
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Trilobita
- Olenida
- Olenidae
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? Parabolinopsis sp.
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Trilobita
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? Westergardia inornata n. sp.
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Trilobita
- Asaphida
- Remopleurididae
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Kainella colombiana n. sp.
Harrington and Kay 1951
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? Pseudokainella macarenae n. sp.
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Trilobita
- Asaphida
- Asaphidae
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? Niobella sp.
Reed 1931
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Gastropoda
- Bellerophontida
- Tropidodiscidae
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? Oxydiscus sp.
Koken 1889
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Rhynchonellata
- Orthida
- Plectorthidae
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? Nanorthis sp.
Ulrich and Cooper 1936
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Lingulata
- Acrotretida
- Acrotretidae
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Acrotreta aequatorialis n. sp.
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Lingulata
- Lingulida
- Obolidae
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Lingulella aff. desiderata
Walcott 1898
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| see common names | |||||||
Geography
| Country: | Colombia |
| Coordinates: | 3.6° North, 73.8° West (view map) |
| Paleocoordinates: | 3.6° North, 73.8° West |
| Geographic resolution: | local area |
Time
| 10 m.y. bin: | Cambrian-Ordovician | ||
| *Period: | Early/Lower Ordovician | *Epoch: | Early/Lower Tremadoc |
| *International age/stage: | Early/Lower Tremadoc | ||
| Key time interval: | Tremadoc | ||
| Age range of interval: | 485 - 477.7 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Guapayito | ||||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: Most likely the Guapayito Fm., but possibly not. | |||||
Lithology and environment
| Primary lithology: | gray lithified argillaceous,sandy "limestone" |
| Lithology description: dark gray, fine-grained limestone with quartz grains and mica flakes | |
| Environment: | marine indet. |
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
| Database number: | 8862 | ||
| Authorizer: | A. Miller | Enterer: | P. Novack-Gottshall |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2000-09-02 12:19:53 | Last modified: | 2020-06-25 13:30:52 |
| Access level: | the public | Released: | 2000-09-02 12:19:53 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 643. | H. J. Harrington and M. Kay. 1951. Cambrian and Ordovician faunas of Eastern Colombia. Journal of Paleontology 25(5):655-668 [A. Miller/P. Novack-Gottshall/J. Alroy] |