Alum shales, Poland - Walossek and Szaniawski 1991 (Cambrian of Poland)

Where: Poland (54.6° N, 18.8° E: paleocoordinates 45.6° S, 21.4° W)

• small collection-level geographic resolution

When: Peltura minor zone, Alum Shale Formation, Dolgellian (492.5 - 485.4 Ma)

• formation-level stratigraphic resolution

Environment/lithology: offshore; lithified, condensed, phosphatic, pyritic, black shale and limestone

• black kerogen-rich shales commonly known as alum shales and interbedded with layers or lenses of black or dark-grey, also bituminous limestones. cambrocaris baltica n. gen. n. sp. was found in the uppermost 10m thick limestone layer

Collection methods: core, chemical,

• The collection is now held in the Institue of Paleobiology of the Polish Academy of Sciences, Warszawa

Primary reference: D. Walossek and H. Szaniawski. 1991. Cambrocaris baltica n. gen. n. sp., a possible stem-lineage crustacean from the Upper Cambrian of Poland. Lethaia 24:363-378 [M. Patzkowsky/P. Borkow]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 7907: authorized by Mark Patzkowsky, entered by Phil Borkow on 07.06.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

• Species and genus names for brachiopods, ostracodes, trilobites, proto/paraconodonts and coprolite were not given, but the brachiopods, trilobites, and ostracods are listed in the taxonomic list using general categories.
unclassified
  -
Cambrocaris baltica n. gen. n. sp.
Cambrocaris baltica n. gen. n. sp.
Brachiopoda
  -
Brachiopoda indet. Cuvier 1805
unclassified
  -
Arthropoda indet. Latreille 1829
 Deuteropoda -
Deuteropoda
  -
Ostracoda indet. Latreille 1802 ostracod
Trilobita
  -
Trilobita indet. Walch 1771 trilobite