Where: Poland (53.8° N, 15.0° E: paleocoordinates 44.4° N, 22.1° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Bajocian to Bajocian (171.6 - 164.7 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; poorly lithified, fine-grained siliciclastic sediments

Size class: mesofossils

Collection methods: core,

Primary reference: J. Gründel. 1997. Heterostropha (Gastropoda) aus dem Dogger Norddeutschlands und Nordpolens. I. Mathildoidea (Mathildidae). Berliner geowissenschaftliche Abhandlungen, Reihe E 25:131-175 [M. Aberhan/S. Nurnberg] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 58290: authorized by Martin Aberhan, entered by Sabine Nürnberg on 31.01.2006