S.Ros-18 (33) Quebrada de Incamayo (Ordovician of Argentina)

Where: Salta, Argentina (24.6° S, 65.7° W: paleocoordinates 42.0° S, 130.2° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Arenigian (478.6 - 468.1 Ma)

• formation-level stratigraphic resolution

Environment/lithology: offshore; lithified, gray shale

Size class: macrofossils

Collected by P. Pascual

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

Purpose of describing collection: taxonomic analysis

PaleoDB collection 115868: authorized by Arnold Miller, entered by Sarah Kolbe on 04.09.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

• Primarily trilobite taxonomy and biostrat.
Trilobita
 Asaphida - Asaphidae
Kayseraspis brackebuschi Harrington 1938 trilobite
Ogygiocaris araiorhachis Harrington and Leanza 1957 trilobite
 Olenida - Olenidae
"Triarthrus parchaensis" = Bienvillia parchaensis
"Triarthrus parchaensis" = Bienvillia parchaensis Harrington and Leanza 1957 trilobite