BA 4 Euloma community, page 50 (Ordovician of Czech Republic)

Also known as Euloma Shale

Where: Prague, Czech Republic (50.0° N, 14.0° E: paleocoordinates 54.2° S, 90.3° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Tetragraptus akzharensis graptolite zone, Euloma Shale Member (Klabava Formation), Klabava (478.6 - 466.0 Ma)

• Listed as Tetragraptus abbreviatus zone; Uppermost portion of formation. PJW: What was called Tetragraptus abbreviatus in Gondwanan rocks is now called Tetragraptus akzharensis.

• group of beds-level stratigraphic resolution

Environment/lithology: slope; poorly lithified, argillaceous shale

• "Deeper water" in axial depression, along slope between shallow and basinal
• Clayey shales

Size classes: macrofossils, mesofossils

Primary reference: I. Chlupac, V. Havlicek, J., Z. Kukal, and P. Storch. 1998. Palaeozoic of the Barrandian (Cambrian to Devonian) 1-183 [G. Webster/G. Webster/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 76457: authorized by Phil Novack-Gottshall, entered by Paul Hearn on 20.11.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

• BA 4 Euloma community
 Agnostida - Metagnostidae
"Geragnostus sp." = Geragnostus, "Neptunagnostella sp." = Geragnostus
"Geragnostus sp." = Geragnostus Howell 1935 trilobite
"Neptunagnostella sp." = Geragnostus Howell 1935 trilobite
 Phacopida - Dalmanitidae
Ormathops sp. Delo 1935 trilobite
 Phacopida - Homalonotidae
Colpocoryphe sp. Novak and Perner 1918 trilobite
 Olenida - Eulomidae
 Asaphida - Asaphidae
Klabavia sp. Pribyl and Vanek 1969 trilobite
Bohemopyge sp. Pribyl 1951 trilobite
 Asaphida - Cyclopygidae
Aspidaeglina sp. Holub 1911 trilobite
Microparia sp. Hawle and Corda 1847 trilobite
 Asaphida - Nileidae
"Rokycania sp." = Illaenopsis, Symphysurus pater
"Rokycania sp." = Illaenopsis Salter 1865 trilobite
 Lichida - Lichidae
"Bohemolichas sp." = Uralichas
"Bohemolichas sp." = Uralichas Delgado 1892 trilobite