J.Tum-13 (J1) Upper Quebrada de Purmamarca: Tremadoc, Argentina
collected by J.J. Zunino and E. Mauri

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Agnostida - Metagnostidae
Geragnostus sp. Howell 1935
Trilobita - Asaphida - Asaphidae
Notopeltis orthometopa (Harrington 1938)
original and current combination Megalaspidella orthometopa
Basiliella carinata Harrington 1938
synonym of Mekynophrys nanna
see common names

Geography
Country:Argentina State/province:Jujuy County:Tumbaya
Coordinates: 23.7° South, 65.6° West (view map)
Paleocoordinates:44.5° South, 128.7° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
10 m.y. bin:Cambrian-Ordovician
Key time interval:Tremadoc Trilobite zone: Notopeltis orthometopa
Age range of interval:485.00000 - 477.70000 m.y. ago
Stratigraphy
Formation:Santa Rosita Member:Humacha
Stratigraphic resolution:member
Lithology and environment
Primary lithology:green lithified muddy sandstone
Secondary lithology:gray lithified "limestone"
Includes fossils?Y
Environment:coastal indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Collectors:J.J. Zunino and E. Mauri
Taxonomic list comments:Primarily trilobite taxonomy and biostrat.
Metadata
Database number:115674
Authorizer:A. Miller Enterer:S. Kolbe
Modifier:P. Wagner Research group:marine invertebrate
Created:2011-09-03 00:11:49 Last modified:2018-04-07 15:23:12
Access level:the public Released:2011-09-03 00:11:49
Creative Commons license:CC BY
Reference information

Primary reference:
642. H. J. Harrington and A. F. Leanza. 1957. Ordovician trilobites of Argentina. Department of Geology, University of Kansas Special Publication. Lawrence: University of Kansas Press 1:1-276 [A. Miller/P. Novack-Gottshall]