Tretaspis seticornis community, page 77 (Ordovician of Czech Republic)

Where: Prague, Czech Republic (50.0° N, 14.0° E: paleocoordinates 60.2° S, 74.1° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Kraluv Dvur Formation, Kralodvorian (449.8 - 445.2 Ma)

• Bed/sample listed as Tretaspis seticornis horizon

• formation-level stratigraphic resolution

Environment/lithology: offshore shelf; poorly lithified, green, argillaceous shale

• Olive-green clayey shales

Size classes: macrofossils, mesofossils

Primary reference: I. Chlupáč, V. Turek, and J. Barrande. 1998. Palaeozoic of the Barrandian (Cambrian to Devonian) 1-183 [G. Webster/G. Webster/M. Uhen]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 76478: authorized by Phil Novack-Gottshall, entered by Paul Hearn on 21.11.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

• Dedzetina macrostomoides community
Pterobranchia
 Graptoloidea - Normalograptidae
"Scalarigraptus angustus" = Normalograptus angustus
"Scalarigraptus angustus" = Normalograptus angustus Perner 1895 graptolite
Trilobita
 Trinucleida - Raphiophoridae
Lonchodomas portlocki Barrande 1846 trilobite
 Trinucleida - Trinucleidae
Tretaspis seticornis Hisinger 1840 trilobite
"seticornis"
Artiopoda
 Agnostida - Metagnostidae
Arthrorhachis tarda Barrande 1846
Ostracoda
 Beyrichicopida - Circulinidae
Parapyxionella prunella Barrande 1872 ostracod