Footpath to Parcha locality, bn Angosto de Lampazar and Abra de Sococha. 110 m: Tremadoc, Argentina
collected by Benedetto & Carrasco 2002

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Rhynchonellata - Orthida - Plectorthidae
Lipanorthis santalaurae Benedetto and Carrasco 2002
Rhynchonellata - Orthida - Nanorthidae
Nanorthis calderensis Benedetto 2007
Villas et al. 2009
recombined as Gondwanorthis calderensis
see common names

Geography
Country:Argentina
Coordinates: 24.6° South, 65.8° West (view map)
Paleocoordinates:43.7° South, 128.9° West
Time
10 m.y. bin:Cambrian-Ordovician
Key time interval:Tremadoc Conodont zone: Cordylodus angulatus
Age range of interval:485.00000 - 477.70000 m.y. ago
Stratigraphy
Formation:Saladillo
Local section:Parcha Local bed:110 m
Local order:bottom to top
Regional section:Formation Regional bed:175 m
Regional order:bottom to top
Stratigraphic resolution:group of beds
Stratigraphy comments: Bryograptus kjerulfi graptolite zone.
Lithology and environment
Primary lithology:nodular "limestone"
Lithology description: The fossils are preserved in argillite nodules, up to 40 cm in diameter, encased within a calcareous cement; these rocks are exposed about 100 m above the base of the formation.
Environment:carbonate indet.
Taphonomy
Modes of preservation:cast,mold/impression
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Collectors:Benedetto & Carrasco Collection dates:2002
Metadata
Also known as:between Angosto de Lampazar and Abra de Sococha
Database number:159267
Authorizer:P. Wagner Enterer:P. Wagner
Modifier:P. Wagner Research group:marine invertebrate
Created:2014-07-30 11:52:45 Last modified:2017-05-24 13:46:22
Access level:the public Released:2014-07-30 11:52:45
Creative Commons license:CC BY
Reference information

Primary reference:
52082. D. A. T. Harper, E. Villas, and G. Ortega. 2004. Lipanorthis Benedetto from the Tremadocian of NW Argentina reidentified as a dalmanellidine: Significance for the origin and early radiation of the punctate orthide brachiopods. Lethaia 37:271-279 [P. Wagner/P. Wagner/P. Wagner]

Secondary references:

62343 E. Villas, Z. A. Herrera, and G. Ortega. 2009. Early orthid brachiopods from the Tremadocian (Lower Ordovician) of Northwestern Argentina. Journal of Paleontology 83:604-613 [P. Wagner/P. Wagner]