När-1 Core (Silurian of Sweden)

Where: Gotland, Sweden (57.3° N, 18.6° E: paleocoordinates 21.8° S, 2.6° W)

When: Monograptus flexilis conodont zone, G Member (Slite Formation), Sheinwoodian (433.4 - 430.5 Ma)

• from a core. Monograptus flexilis = Monograptus belophorus zone. Kochella walliseri zone.

• bed-level stratigraphic resolution

Environment/lithology: mudstone

• bituminous mudstone

Size classes: mesofossils, microfossils

Collection methods: The slightly calcareous sample (0.1423 kg) was broken down by the petroleum ether/kerosene method (Jeppsson & Anehus 1999: 58). In addition to Jinonicella, the residue included graptolites, conodonts and a pyritised small brachiopod(?). The fraction above 1 mm yielded fragments of an odontopleurid trilobite (pers. comm. Per Ahlberg).

Primary reference: J. S. Peel and L. Jeppsson. 2006. The problematic fossil Jinonicella from the Lower Silurian of Gotland. Gff 128(1):39-42 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 185621: authorized by Pete Wagner, entered by Pete Wagner on 03.05.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ribeirioida -
Jinonicella kolebabai Pokorny 1978