Blanowice, Czestochowa region, Slaskie (Jurassic of Poland)

Where: Poland (50.5° N, 19.5° E: paleocoordinates 41.8° N, 26.6° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Bathonian (168.3 - 166.1 Ma)

• most probably Morrisiceras morrisi Zone

• group of beds-level stratigraphic resolution

Environment/lithology: transition zone or lower shoreface; poorly lithified, black 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).

Size class: mesofossils

Preservation: original aragonite

Collection methods: sieve,

• collected in the 1960's by S. Dabrowski; the material is housed at the Museum of the Earth PAS in Warsaw.

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 63076: 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
"Calliotropis biarmata" = Biarmatoidella lorioli, Turcica gerasimovi
"Calliotropis biarmata" = Biarmatoidella lorioli Greppin 1898 snail
Turcica gerasimovi Kaim 2004 snail
 Cerithioidea - Cryptaulacidae
"Cryptaulax armata" = Cryptaulax armatum
"Cryptaulax armata" = Cryptaulax armatum Goldfuss 1843 snail
 Sorbeoconcha - Aporrhaidae
Spinigera sp. d'Orbigny 1852 snail