Birsholle (Liesberg Mb) (Jurassic of Switzerland)

Where: Basellandschaft, Switzerland (47.4° N, 7.5° E: paleocoordinates 38.4° N, 16.4° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Perisphinctes plicatilis ammonoid zone, Liesberg Member (Bärschwil Formation), Middle Oxfordian (161.2 - 155.7 Ma)

• Perisphinctes antecedens subzone

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; lithified, nodular, argillaceous marl

Size class: macrofossils

Collection methods: Repository: Fondation Paléontologique Jurassienne (FPJ)

Primary reference: B. Hostettler, G. Bernasconi, W. Erzberger, G. Schmidlin, and U. Menkveld-Gfeller. 2017. Die Cidaroiden (Echinoidea, Echinodermata) des Sornetan-und des Liesberg-Members der Bärschwil-Formation (mittleres Oxfordien, Nordwestschweizer Jura). Revue de Paléobiologie, Genève 36:403-432 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 196436: authorized by Matthew Clapham, entered by Matthew Clapham on 13.09.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Echinoidea
 Cidaroida - Polycidaridae
Paracidaris (Anisocidaris) parandieri Agassiz 1840 pencil urchin
Paracidaris florigemma Phillips 1829 pencil urchin