Chaupiuno, near El Puente (Ordovician of Bolivia)

Where: Tarija, Bolivia (21.3° S, 65.2° W: paleocoordinates 45.2° S, 128.2° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Floian (477.7 - 470.0 Ma)

• basal Arenig, see Egenhoff & Weber 1998. Abstr. Vol. 15th Internat. Sedimentol. Congr. Alicante (Spain), 1998:311-312

•Erdtmann B. D., Kley, J. Müller J., Jacobshagen, V. 1995. Ordovician Odyssey, 7th ISOS, Las Vegas, 1995:69-73

• group of beds-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified, nodular, silty shale

• "succession of shallow water clastics, unconformably capped by Cretaceous sediments"
• "carbonatic nodules from dark siltshales"

Size class: macrofossils

Primary reference: J. Marek, B. Weber, F. Schönian, S. O. Egenhoff, and B. D. Erdtmann. 2000. Arenig cephalopods from Bolivia. Palaeontology Down Under 2000, Geological Society of Australia, Abstracts, 2000 56 [B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 88177: authorized by Björn Kröger, entered by Björn Kröger on 02.04.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• From the associated fauna are present inarticulate brachiopods attached to ellesmerocerid cephalopod and tiny ostracod shells
Show authors, comments, and common names
Cephalopoda
 Endocerida -
Endocerida indet.
Endocerida indet. Hyatt in Zittel 1900
small
 Endocerida - Endoceratidae
Dideroceras sp.
Dideroceras sp. Flower 1950
large
 Ellesmerocerida -
Ellesmerocerida indet.
Ellesmerocerida indet. Flower and Kummel 1950
 Ellesmerocerida - Bathmoceratidae
Bathmoceras sp.
Bathmoceras sp. Barrande 1865
 Orthocerida - Baltoceratidae
Bactroceras aff. avus