Upper Mbr., La Cantera Fm., Sierra de Villicum, Argentina: Costonian, Argentina
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Bivalvia
- Nuculida
- Praenuculidae
|
|||||||
|
? Praenucula sp.
Pfab 1934
|
|||||||
|
Palaeoconcha sp.
Miller 1889
|
|||||||
|
Pterobranchia
- Dendroidea
- Acanthograptidae
|
|||||||
|
Dictyonema sp.
Hall 1851
|
|||||||
|
Pterobranchia
- Graptoloidea
- Climacograptidae
|
|||||||
|
Climacograptus sp.
Hall 1865
|
|||||||
|
Pterobranchia
- Graptoloidea
- Diplograptidae
|
|||||||
|
Amplexograptus sp.
|
|||||||
|
Pterobranchia
- Graptoloidea
- Abrograptidae
|
|||||||
|
Reteograptus sp.
|
|||||||
| see common names | |||||||
Geography
| Country: | Argentina |
| Coordinates: | 31.0° South, 69.0° West (view map) |
| Paleocoordinates: | 33.9° South, 133.1° West |
| Geographic resolution: | local area |
Time
| Period: | Ordovician | Epoch: | Late Ordovician |
| Stage: | Sandbian | 10 m.y. bin: | Ordovician 4 |
| *Period: | Late/Upper Ordovician | *Epoch: | Early/Lower Caradoc |
| *International age/stage: | Costonian | ||
| Key time interval: | Costonian | ||
| Age range of interval: | 458.4 - 457.4 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | La Cantera | Member: | Upper |
| Stratigraphic resolution: | member |
Lithology and environment
| Primary lithology: | green lithified calcareous "shale" |
| Secondary lithology: | sandstone |
| Lithology description: turbiditic well-rounded calcareous sandstone intercalated within dark green shale | |
| Environment: | submarine fan |
Taphonomy
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: | 8874 | ||
| Authorizer: | A. Miller | Enterer: | P. Novack-Gottshall |
| Modifier: | J. Alroy | Research group: | marine invertebrate |
| Created: | 2000-09-02 13:03:29 | Last modified: | 2007-02-21 19:26:07 |
| Access level: | the public | Released: | 2000-11-20 13:53:40 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 663. | S. H. Peralta. 1990. Nuevas graptofaunas de la Formacion La Cantera, Sierra de Villicum, Precordillera Oriental de San Juan, Argentina. Actas de V congreso Argentino de paleontologia y bioestratigrafia. Serie Correlacion Geologica 7(1):59-66 [A. Miller/P. Novack-Gottshall] |