Pacanow, Czestochowa region, Slaskie (Jurassic of Poland)

Where: Poland (50.9° N, 18.7° E: paleocoordinates 41.9° N, 25.9° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Late/Upper Bajocian (171.6 - 167.7 Ma)

• Parkinsonia acris - Parkinsonia densicosta Subzones; two samples (5kg each), one from the upper and the other from the lower part of the section

• group of beds-level stratigraphic resolution

Environment/lithology: transition zone or lower shoreface; poorly lithified, black, gray claystone

• Most of the gastropods studied in this monograph come from clayey facies of more or less open sea environments (there is no detailed information for the distinct localities provided).
• The section exposes three meters of intercalated gray and black clay.

Size classes: mesofossils, microfossils

Preservation: original aragonite

Collection methods: sieve,

• Rock samples collected over the period 1995-2002; the material is housed at the Institute of Paleobiology, Polish Academy of Sciences (PAS) in Warsaw (abbreviated ZPAL) and the Museum of the Earth PAS in Warsaw (abbreviated MZ).

Primary reference: A. Kaim. 2004. The evolution of conch ontogeny in Mesozoic open sea gastropods. Palaeontologia Polonica 62:1-183 [M. Aberhan/S. Nurnberg/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 63069: authorized by Martin Aberhan, entered by Sabine Nürnberg on 04.08.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

• Focus on gastropods.
Gastropoda
 Seguenzioidea - Eucyclidae
Eucycloscala "sp. 3" Cossmann 1895 snail
juvenile
 Murchisoniina - Zygopleuridae
Teutonica verrucosa Gründel 1999 snail