Riu is Arrus Creek, Tariccoia bed (Ordovician of Italy)

Where: Sardinia, Italy (36.5° N, 8.4° E: paleocoordinates 69.9° S, 100.8° E)

When: Riu is Arrus Member (Monte Argentu Formation), Berounian (457.9 - 449.8 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, gray, silty shale

• Grey coloured siltstones and shales containing some intercalations of sandstones, usually in their lower and upper parts

Size class: macrofossils

Primary reference: W. Hammann, R. Laske, and G. L. Pillola. 1990. Tariccoia arrusensis n. gen. n. sp., an unusual trilobite-like arthropod. Rediscovery of the ‘phylocarid’ beds of Taricco (1922) in the Ordovician ‘Puddinga’ sequence of Sardinia. Bolletino della Societa Paleontologica Italiana 29:163-178 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 215899: authorized by Pete Wagner, entered by Pete Wagner on 27.11.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Artiopoda
 Nektaspidida - Naraoiidae
Tariccoia arrusensis Hammann et al. 1990