La Paz, Belen, lower member of Belen Fm (Devonian of Bolivia)

Where: Bolivia (17.6° S, 67.6° W: paleocoordinates 64.3° S, 88.2° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Lower Belen Member (Belen Formation), Emsian (407.6 - 393.3 Ma)

• Lower Devonian. Francovichia Zone occurs within the lower member of the Belén Formation at Belén and equivalent units at Cerro Kochis.

Environment/lithology: offshore; silty shale

• Silty in the lower two fifths, followed by a silty shale, a shale of greenish black colour, and the upper fifth becoming more sandy.
• The rocks are silty shales and contain abundant finegrained muscovite.

Size classes: mesofossils, microfossils

Primary reference: J. R. Thompson, W. I. Ausich, and L. Smith. 2013. Echinoderms from the Lower Devonian (Emsian) of Bolivia (Malvinokaffric Realm). Journal of Paleontology 87(1):166-175 [W. Kiessling/M. Krause]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 139937: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 24.02.2013, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Crinoidea
 Monobathrida - Melocrinitidae
Ctenocrinus branisai n. sp.
Ctenocrinus branisai n. sp. Sea lily
 Monobathrida -
Boliviacrinus isaacsoni