Cerro Ullacoto, Huacrapuquio: Pliensbachian - Aalenian, Peru
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Echinoidea
- Cidaroida
- Rhabdocidaridae
|
|||||||
|
Rhabdocidaris sp.
Desor 1855
|
|||||||
|
Crinoidea
- Isocrinida
- Isocrinidae
|
|||||||
|
Isocrinus sp.
von Meyer 1836
|
|||||||
|
Cephalopoda
- Belemnitida
- Megateuthididae
|
|||||||
|
Belemnites acuarius
von Schlotheim 1820
|
|||||||
|
Bivalvia
- Pholadida
- Pholadidae
|
|||||||
|
Martesia sp.
Sowerby 1824
|
|||||||
|
Bivalvia
- Trigoniida
- Myophorellidae
|
|||||||
|
Myophorella (Myophorella) araucana
(Leanza 1942)
|
|||||||
|
Bivalvia
- Pectinida
- Limidae
|
|||||||
|
Antiquilima succincta
(von Schlotheim 1813)
|
|||||||
|
Rhynchonellata
- Terebratulida
- Lobothyrididae
|
|||||||
|
Lobothyris punctata
(Sowerby 1812)
|
|||||||
| see common names | |||||||
Geography
| Country: | Peru | State/province: | Junín |
| Coordinates: | 12.2° South, 75.2° West (view map) | ||
| Paleocoordinates: | 15.6° South, 28.5° West (Wright 2013) | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | small collection |
Time
| Period: | Jurassic | Epoch: | Early Jurassic - Middle Jurassic |
| Stage: | Pliensbachian - Aalenian | 10 m.y. bin: | Jurassic 2 - Jurassic 3 |
| Key time interval: | Pliensbachian - Aalenian | ||
| Age range of interval: | 192.9 - 170.9 m.y. ago |
Stratigraphy
| Geological group: | Pucará | Formation: | Condorsinga | ||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Between "[Middle Liasicus]" and Aalenian based on biostratigraphy (Velazco 2008) | |||||
Lithology and environment
| Primary lithology: | "limestone" |
| Environment: | carbonate indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 202438 | ||
| Authorizer: | A. Dunhill | Enterer: | B. Allen |
| Created: | 2019-07-11 10:26:54 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2019-07-11 10:26:54 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 69366. | Y. P. Velazco. 2008. Algunos invertebrados fósiles de Huacrapuquio, provincia de Huancayo, departamento de Junín–Perú [Some invertebrate fossils from Huacrapuquio, province of Huancayo, Junin, Peru]. Revista del Instituto de investigación de la Facultad de minas, metalurgia y ciencias geográficas 11:39-48 [A. Dunhill/B. Allen] |