Where: Czech Republic (50.0° N, 14.1° E: paleocoordinates 61.4° S, 67.7° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Demirastrites convolutus - Stimulograptus sedgwickii graptolite zone, Zelkovice Formation, Aeronian (440.8 - 438.5 Ma)
• Graptolite zones Demirastrites convolutus to Monograptus sedgwicki.
• formation-level stratigraphic resolution
Environment/lithology: marine; volcaniclastic, gray shale and limestone
Size class: macrofossils
Collection methods: Very similar to Aegironetes-Aulacopleura Community of Havlicek and Storch (PBDB Coll. no. 14087), but not completely redundant with that. Trilobite species said to number "almost 30", but some rare ones are not listed. Papers by Snajdr (1978, 1986) may be able to supplement list.
Primary reference: I. Chlupac. 1987. Ecostratigraphy of Silurian trilobite assemblages of the Barrandian area, Czechoslovakia. Newsletters on Stratigraphy 17(3):169-186 [M. Foote/M. Foote/M. Foote]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 14122: authorized by Michael Foote, entered by Michael Foote on 15.05.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Porifera indet. Grant 1836 | |
Deuteropoda | |
Ostracoda indet. Latreille 1802 ostracod | |
Trilobita | |
Trilobita indet. Walch 1771 trilobite | |
Taemasaspis llandoveryana, Anacaenaspis gigantea, Leonaspis orphana, Leonaspis pokornyi, Ceratocephala sp., Miraspis rarissima, Selenopeltoides caloxyl
Taemasaspis llandoveryana trilobite
Anacaenaspis gigantea trilobite
Leonaspis orphana trilobite
Leonaspis pokornyi trilobite
Ceratocephala sp. Warder 1838 trilobite
Miraspis rarissima trilobite
Selenopeltoides caloxyl trilobite | |
Planiscutellum quasiplanum trilobite | |
Bumastus sp. Murchison 1839 trilobite
Stenopareia pulchella trilobite | |
Bohemoharpes naumanni Barrande 1852 trilobite | |
Aulacopleura krizi trilobite | |
"Conoparia obnoxia" = Otarion (Conoparia)
"Conoparia obnoxia" = Otarion (Conoparia) trilobite | |
Cyphoproetus semidepressus Šnajdr 1975 trilobite | |
Decoroproetus nudiformis trilobite | |
Balizoma mareki trilobite
Balizoma inexpectata trilobite | |
Hadromeros sp. Lane 1971 trilobite
Youngia sp. Lindström 1885 trilobite | |
Diacalymene horbingeri trilobite | |
Dicranopeltis imperfecta Snajdr 1975 trilobite
Trochurus sarfi Snajdr 1980 trilobite | |
Brachiopoda | |
Brachiopoda indet. Cuvier 1805 | |
Bryozoa | |
Bryozoa indet. Ehrenberg 1831 | |
Hyolitha | |
Hyolitha indet. Marek 1963 | |
Gastropoda | |
Gastropoda indet. Cuvier 1795 snail | |
Cephalopoda | |
Cephalopoda indet. Cuvier 1797 | |
Pterobranchia | |
Dendroidea indet. Nicholson 1872 graptolite | |
Graptoloidea indet. Lapworth 1875 graptolite | |
Crinoidea | |
Crinoidea indet. Miller 1821 Sea lily | |
Conodonta | |
Conodonta indet. Pander 1856 conodont |