Where: Sardinia, Italy (39.2° N, 8.5° E: paleocoordinates 69.9° S, 80.7° E)
• coordinate stated in text
• outcrop-level geographic resolution
When: Portixeddu Formation, Onnian to Onnian (453.0 - 449.2 Ma)
• PPE seems to refer to some point in the section, although it is not meters.
• bed-level stratigraphic resolution
Environment/lithology: marine; lithified, phosphatic, pyritic, gray sandstone and lithified, phosphatic, pyritic, gray siltstone
•environment not far below the normal wave base, being more littoral in the basal part and
•more offshore in the uppermost part. (From Leone et al. 1998).
•siltstones and shales, sometimes bearing pyritic and phosphatic nodules quite abundant in the upperpart. (From Leone et al. 1998).
Size class: macrofossils
Primary reference: A. Botquelen, J. Le Menn, and A. Loi. 2006. Échinodermes de l’Ordovicien supérieur (Ashgill) de Sardaigne et d’Algérie. Geobios 39(1):13-23 [P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 196941: authorized by Pete Wagner, entered by Pete Wagner on 13.10.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
Blastoidea | |
Mespilocystites tregarvanicus Chauvel and Le Menn 1973 blastoid | |
Rhombifera | |
Sumsaricystis radiatus Stukalina 1978 |