List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Trilobita
- Phacopida
- Calmoniidae
|
|||||||
|
? Metacryphaeus sp.
Reed 1907
|
|||||||
|
unclassified
|
|||||||
|
Nereites sp.
MacLeay 1839
|
|||||||
| see common names | |||||||
Geography
| Country: | Brazil | State/province: | Piaui |
| Coordinates: | 8.0° South, 42.5° West (view map) | ||
| Paleocoordinates: | 81.6° South, 0.7° East | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | local area |
Stratigraphy
| Formation: | Pimenteira | ||||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: Collection not explicitly said to come from Pimenteira Fmn., but this seems rather clear from stratigraphic and geographic context. "Although the age of the [Pimenteira Fm.] is probably restricted to the Middle Devonian along the eastern outcrop belt [of which this locality is a part] its full range is Emsian through Famennian in the subsurface of central portions of the basin."
| |||||
Lithology and environment
| Primary lithology: | hummocky CS sandstone |
| Secondary lithology: | hummocky CS siltstone |
| Lithology description: "The Pimenteira Fm. records the first widespread Devonian transgression over the Parnaiba Basin and conformably overlies the Itaim Mbr. It consists of interlayered sandstones and siltstones/shales mostly deposited as offshore bars or shelf sediments under the influence of storm generated waves and currents ("tempestites"), as indicated by the widespread development of large scale hummocky cross stratification throughout the section." | |
| Environment: | marine indet. |
| Geology comments: See lithology description. | |
Taphonomy
Collection methods and comments
| Reason for describing collection: | paleoecologic analysis |
Metadata
| Database number: | 37119 | ||
| Authorizer: | M. Foote | Enterer: | M. Foote |
| Modifier: | M. Foote | Research group: | marine invertebrate |
| Created: | 2004-03-03 07:19:02 | Last modified: | 2006-09-13 14:01:03 |
| Access level: | the public | Released: | 2004-03-03 07:19:02 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 9944. | J. H. G. Melo. 1988. The Malvinokaffric realm in the Devonian of Brazil. N. J. McMillan, A. F. Embry, and D. J. Glass, eds. Devonian of the World, Volume I. Canadian Society of Petroleum Geologists. Calgary, Alberta, Canada 669-703 [M. Foote/M. Foote/M. Foote] |