Where: Italy (38.0° N, 12.8° E: paleocoordinates 26.6° N, 15.2° E)

• coordinate estimated from map

• hand sample-level geographic resolution

When: Rosso Ammonitico Medio Formation, Kimmeridgian (157.3 - 152.1 Ma)

• bed-level stratigraphic resolution

Environment/lithology: basinal (); lithified, argillaceous, cherty/siliceous limestone

Size class: microfossils

Preservation: original silica, replaced with silica

Collection methods: chemical, hydrochloric, hydroflouric, sieve,

Primary reference: P. Beccaro. 2006. Radiolarian Biostratigraphy of Middle-Upper Jurassic pelagic siliceous successions of Western Sicily and the Southern Alps (Italy). Mémoires de Géologie (Lausanne) (45)1-120 [T. Danelian/T. Danelian]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 78775: authorized by Taniel Danelian, entered by Taniel Danelian on 17.02.2008

Creative Commons license: CC BY (attribution)