Where: Latvia (57.8° N, 22.6° E: paleocoordinates 25.4° S, 1.6° W)
• coordinate based on nearby landmark
• basin-level geographic resolution
When: Demirastrites convolutus graptolite zone, Upper Member (Dobele Formation), Raikkula (440.8 - 438.8 Ma)
• Contains graptolites of Demirastrites convolutus Zone. Conochitina alargada chitinozoan zone. This would be the upper part of the Dobele given Loydell et al. (2003: Geological Magazine). PJW.
• formation-level stratigraphic resolution
Environment/lithology: marine; lithified, bioturbated, gray, calcareous mudstone
Size class: macrofossils
Collection methods: Not reported are "common Clorinda community brachiopods, ...[rare] benthos and graptolites of the Demirastrites convolutus Zone."
Primary reference: R. Mannil and M. Rubel. 1999. Selected brachiopod and trilobite communities of the East Baltic Silurian. In A. J. Boucot, J. D. Lawson (eds.), Paleocommunities--a case study from the Silurian and Lower Devonian 253-270 [M. Foote/M. Foote/P. Wagner]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 13722: authorized by Michael Foote, entered by Michael Foote on 22.04.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
Trilobita | |
Leonaspis sp. Richter and Richter 1917 trilobite | |
Acernaspis sp. Campbell 1967 trilobite | |
Calymene latigenata Männil 1977 trilobite | |
Encrinurus (Nucleurus) abyssalis trilobite | |
Cheiruridae indet. Hawle and Corda 1847 trilobite | |
Prantlia kurzmenensis trilobite |