J.Tum-13 (J1) Upper Quebrada de Purmamarca (Ordovician of Argentina)

Where: Jujuy, Argentina (23.7° S, 65.6° W: paleocoordinates 44.5° S, 128.7° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Notopeltis orthometopa trilobite zone, Humacha Member (Santa Rosita Formation), Tremadoc (485.4 - 477.7 Ma)

• member-level stratigraphic resolution

Environment/lithology: coastal; lithified, green, muddy sandstone and lithified, gray limestone

Size class: macrofossils

Collected by J.J. Zunino and E. Mauri

Primary reference: 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]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 115674: authorized by Arnold Miller, entered by Sarah Kolbe on 03.09.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

• Primarily trilobite taxonomy and biostrat.
Trilobita
 Asaphida - Asaphidae
"Basiliella carinata" = Mekynophrys nanna, Notopeltis orthometopa
"Basiliella carinata" = Mekynophrys nanna Harrington 1938 trilobite
Notopeltis orthometopa Harrington 1938 trilobite
Artiopoda
 Agnostida - Metagnostidae
Geragnostus sp. Howell 1935