West of Itaituba, cores of the 1-RX-1-AM, Barreirinha Fm: Late Frasnian, Brazil

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Conodonta - Prioniodontida - Prioniodinidae
? Prioniodina sp. Ulrich and Bassler 1925
Conodonta - Ozarkodinida
Conodonta - Ozarkodinida - Cryptotaxidae
Conodonta - Ozarkodinida - Polygnathidae
Polygnathus sp. Hinde 1879
see common names

Geography
Country:Brazil
Coordinates: 4.1° South, 58.0° West (view map)
Paleocoordinates:60.6° South, 61.2° West (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period: Devonian Epoch: Late Devonian
Stage: Frasnian 10 m.y. bin: Devonian 4
Key time interval: Late Frasnian
Age range of interval: 375.2 - 372.15 m.y. ago
Stratigraphy
Formation:Barreirinha Member:Abacaxis
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: "shale"
Lithology description: black shale with mica grains and pyrite crystals
Environment:deep subtidal indet.
Taphonomy
Modes of preservation:body
Size of fossils:mesofossils,microfossils
Collection methods and comments
Reason for describing collection:paleoecologic analysis
Metadata
Database number:165874
Authorizer:W. Kiessling Enterer:M. Krause
Modifier:P. Wagner Research group:marine invertebrate
Created:2015-01-30 09:24:49 Last modified:2025-02-22 15:12:02
Access level:authorizer only Released:2015-04-30 09:24:49
Creative Commons license:CC0
Reference information

Primary reference:

54215. 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]