AMNH302, Bed 25, Cerro Yananyare Section 10, Tarma: Artinskian - Kungurian, Peru

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Strophomenata - Productida - Productellidae
Marginifera capaci (d'Orbigny 1842)
Common
recombined as Kozlowskia capaci
Rhynchonellata - Spiriferida - Ambocoeliidae
Crurithyris planoconvexa (Shumard 1855)
Rare
(3 measurements)
see common names

Geography
Country:Peru State/province:Junin
Coordinates: 11.4° South, 75.7° West (view map)
Paleocoordinates:21.9° South, 47.2° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Permian Epoch:Cisuralian
10 m.y. bin:Permian 2
Key time interval:Artinskian - Kungurian
Age range of interval:290.10000 - 272.30000 m.y. ago
Stratigraphy
Geological group:Mitu
Local section:10, Tarma Local bed:25
Local order:bottom to top
Stratigraphic resolution:group of beds
Stratigraphy comments: Age of Mitu Group is not well-constrained, overlies Asselian-early Artinskian Copacabana Group unconformably. Bed is 108 feet thick
Lithology and environment
Primary lithology:pebbly,red or brown lithified "shale"
Secondary lithology: lithified "limestone"
Includes fossils?Y
Includes fossils?Y
Lithology description: Shale, dark red, with a few thin layers of unconsolidated gravel. Calcareous beds contain poorly preserved fossils.
Environment:marine indet.
Taphonomy
Modes of preservation:body,replaced with silica
Size of fossils:macrofossils
Collection methods and comments
Collection methods:bulk,chemical,field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:41386
Authorizer:D. Bottjer Enterer:M. Clapham
Modifier:M. Clapham Research group:marine invertebrate
Created:2004-07-13 16:48:22 Last modified:2017-05-23 16:34:15
Access level:the public Released:2004-07-13 16:48:22
Creative Commons license:CC BY
Reference information

Primary reference:

11104. N. D. Newell, J. Chronic, and T.G. Roberts. 1953. Upper Paleozoic of Peru. Geological Society of America Memoir 58:1-276 [D. Bottjer/M. Clapham/P. Wagner]