West of Itaituba, cores of the 1-RX-1-AM, Barreirinha Fm (Devonian of Brazil)

Where: Brazil (4.1° S, 58.0° W: paleocoordinates 64.3° S, 36.4° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Abacaxis Member (Barreirinha Formation), Late/Upper Frasnian (379.5 - 376.1 Ma)

• bed-level stratigraphic resolution

Environment/lithology: deep subtidal; shale

• black shale with mica grains and pyrite crystals

Size classes: mesofossils, microfossils

Primary reference: C. N. Cardoso, J. Sanz-López, S. Blanco-Ferrera, V. B. Lemos, and A. K. Scomazzon. 2015. Frasnian conodonts at high palaeolatitude (Amazonas Basin, north Brazil). Palaeogeography, Palaeoclimatology, Palaeoecology 418:57-64 [W. Kiessling/M. Krause]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 165874: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 30.01.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Conodonta
 Ozarkodinida -
 Ozarkodinida - Polygnathidae
Polygnathus sp. Hinde 1879 conodont
Mehlina gradata conodont
 Ozarkodinida - Cryptotaxidae
 Prioniodontida - Prioniodinidae
? Prioniodina sp. Ulrich and Bassler 1925 conodont