Level Y, Cerro San Bernardo, Sierra de Mojotoro ( of Argentina)

Where: Argentina (24.8° S, 65.4° W: paleocoordinates 43.6° S, 129.5° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Notopeltis orthometopa trilobite zone, Aspero Formation, Tremadoc (486.5 - 477.7 Ma)

• levels X and Y

• bed-level stratigraphic resolution

Environment/lithology: coastal; lithified sandstone

• brown and purple weathered sandstones with interbedded shell concentrations (levels X and Y)

Size class: macrofossils

Primary reference: J. L. Benedetto and P. A. Carrasco. 2002. Tremadoc (earliest Ordovician) brachiopods from Purmamarca and the Sierra de Mojotoro, Cordillera Oriental of northwestern Argentina. Géobios 35:647-661 [W. Kiessling/U. Merkel/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 66189: authorized by Wolfgang Kiessling, entered by Uta Merkel on 04.10.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Trilobita
 Asaphida - Asaphidae
Notopeltis orthometopa
Notopeltis orthometopa Harrington 1938 trilobite
Levels X & Y
Rhynchonellata
 Orthida - Plectorthidae
Nanorthis purmamarcaensis
Nanorthis purmamarcaensis Benedetto and Carrasco 2002
Levels X & Y