Cryptothyrella-'Heterorthella' Community, Argentina: Llandovery, Argentina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Trilobita
- Phacopida
- Homalonotidae
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Homalonotidae indet.
Chapman 1890
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Strophomenata
- Orthotetida
- Chilidiopsidae
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Fardenia filistriata
Boucot et al. 1972
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Rhynchonellata
- Athyridida
- Meristellidae
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Cryptothyrella cf. crassa
(Sowerby 1839)
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| recombined as Hindella crassa | |||||||
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Rhynchonellata
- Orthida
- Dalmanellidae
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Dalmanella sp.
Hall and Clarke 1892
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Rhynchonellata
- Orthida
- Rhipidomellidae
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Mendacella sp.
Cooper 1930
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Tentaculitida
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Tentaculitida indet.
Ljaschenko 1955
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Bivalvia
- Modiomorphida
- Modiomorphidae
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Modiomorpha sp.
Hall and Whitfield 1869
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Gastropoda
- Bellerophontida
- Plectonotidae
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Plectonotus sp.
Clarke 1899
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Pterobranchia
- Graptoloidea
- Monograptidae
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Monograptidae indet.
Lapworth 1873
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| see common names | |||||||
Geography
| Country: | Argentina |
| Coordinates: | 24.0° South, 67.0° West (view map) |
| Paleocoordinates: | 40.5° South, 131.8° West |
Time
| Period: | Silurian | Epoch: | Llandovery |
| 10 m.y. bin: | Silurian 1 | ||
| Key time interval: | Llandovery | ||
| Age range of interval: | 443.80000 - 433.40000 m.y. ago |
Stratigraphy
| Formation: | Salar del Rincon |
| Stratigraphic resolution: | formation |
Lithology and environment
| Primary lithology: | hematitic,green,yellow argillaceous sandstone |
| Lithology description: see PBDB coll. 2866 | |
| Environment: | marine indet. |
| Geology comments: "The enclosing strata are medium-grained sandstones. Disarticulated shells indicate moderate turbulence, wherease articulated shells at other localities indicate quiet conditions. BA 2." | |
Taphonomy
Collection methods and comments
| Reason for describing collection: | paleoecologic analysis |
| Collection method comments: Most of the taxa already entered in PBDB coll. 2866; two genera added here. | |
Metadata
| Database number: | 25072 | ||
| Authorizer: | M. Foote | Enterer: | M. Foote |
| Modifier: | M. Foote | Research group: | marine invertebrate |
| Created: | 2002-08-27 14:01:21 | Last modified: | 2006-09-15 15:14:05 |
| Access level: | the public | Released: | 2002-08-27 14:01:21 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 7007. | A. J. Boucot, J. L. Benedetto, Y. Grahn, J. H. G. Melo, T. M. Sanchez and B. A. Waisfeld. 1999. South American marine Silurian communities. In A. J. Boucot and J. D. Lawson (eds.), Paleocommunities--a case study from the Silurian and Lower Devonian 841-848 [M. Foote/M. Foote/M. Foote] |