Risebæk (Ordovician of Denmark)

Also known as Risebaek

Where: Bornholm, Denmark (55.0° N, 14.9° E: paleocoordinates 34.2° S, 5.7° W)

When: Tanuchitina bergstroemi other zone, Fjacka Formation, Vormsi (452.0 - 445.6 Ma)

• Given as Dicellograptus Shale. Revised stratigraphy based on Grahn & Nõlvak 2007: Ordovician Chitinozoa and biostratigraphy from Skåne and Bornholm, southernmost Scandinavia – an overview and update. Bulletin of Geosciences 82(1), 11–26. Pleurograptus linearis graptolite zone

• group of beds-level stratigraphic resolution

Environment/lithology: limestone

• Limestone beds within largely shale formation.

Size class: macrofossils

Primary reference: S. Stouge and J. A. Rasmussen. 1996. Upper Ordovician conodonts from Bornholm and possible migration routes in the Palaeotethys Ocean. Bulletin of the Geological Society of Denmark 43(1):54-67 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 184780: authorized by Pete Wagner, entered by Pete Wagner on 22.03.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Conodonta "Genus indet A sp. A" Eichenberg 1930 conodont
Conodonta "Genus indet B sp. A" Eichenberg 1930 conodont
 Conodontophorida -
? Eocarniodus ? gracilis Rhodes 1955 conodont
Protopanderodus liripipus Kennedy et al. 1979 conodont
Ansella nevadensis Ethington and Schumacher 1969 conodont
Hamarodus europaeus Serpagli 1967 conodont
 Ozarkodinida -
Periodon grandis Ethington 1959 conodont
  - Strachanognathidae
Scabbardella altipes Hennigsmoen 1948 conodont