CAC4. Bucaco Syncline (Ordovician of Portugal)

Where: Portugal (40.0° N, 8.0° W: paleocoordinates 74.1° S, 71.9° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Glyptograptus teretiusculus graptolite zone, Fonte da Horta Formation, Dobrotivian (459.0 - 457.9 Ma)

• bed-level stratigraphic resolution

Environment/lithology: offshore; lithified mudstone and lithified sandstone

• Mudstones with occasional interbedded sandstone

Size classes: macrofossils, mesofossils

Primary reference: T. P. Young. 1985. The stratigraphy of the Upper Ordovician of central Portugal. University of Sheffield, Sheffield, England [A. Miller/P. Novack-Gottshall/P. Novack-Gottshall]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 193327: authorized by Pete Wagner, entered by Pete Wagner on 11.05.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Phacopida - Calymenidae
"Neseuretus (Neseuretus) tristani" = Neseuretus tristani
"Neseuretus (Neseuretus) tristani" = Neseuretus tristani Brongniart in Desmarest 1817 trilobite
 Phacopida - Homalonotidae
Plaesiacomia oehlerti Kerforne 1900 trilobite
Bivalvia
 Arcida - Parallelodontidae
Rhynchonellata
 Orthida - Heterorthidae