Phacops-Cyrtosymboloides Assemblage of the Dalejan (Barrandian, Cze) Assem 15 (Devonian to of Czech Republic)

Where: Barrandia, Czech Republic (49.5° N, 14.3° E: paleocoordinates 34.4° S, 46.0° E)

When: Nowakia elegans, Nowakia cancellata zone, Daleje Shale Member, Zlichovian to Zlichovian (409.1 - 391.9 Ma)

Environment/lithology: deep subtidal; concretionary, gray, green, red, calcareous mudstone

• "Boucot's Benthic Assemblage 4 to 5...depth not substantially different frm Phacops-Struveaspis Assemblage, the main difference concerned the influx of clayey material."
• "grey, green,and overlying red calcareous mudstones with concretions of micrites"

Primary reference: I. Chlupac. 1983. Trilobite assemblages in the Devonian of the Barrandian area and their relations to palaeoenvironments. Geologica et Palaentologica 17:45-73 [A. Miller/J. Sessa]more details

Purpose of describing collection: taphonomic analysis

PaleoDB collection 12039: authorized by Arnold Miller, entered by Jocelyn Sessa on 02.10.2001, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

• Trilobite species are either recorded as Rare (R) or Common (C)in Table 4 of the paper. Other taxa are recorded as present in the text.
unclassified
  -
Trilobita
 Corynexochida - Styginidae
 Phacopida - Cheiruridae
Cheirurus (Pilletopeltis) sp. Beyrich 1845 trilobite
 Phacopida - Phacopidae
Phacops (Phacops) superstes trilobite
Phacops (Phacops) superstes superstes
 Proetida - Aulacopleuridae
"Otarionella coronata" = Otarion
"Otarionella coronata" = Otarion trilobite
 Proetida - Tropidocoryphidae
 Lichida - Odontopleuridae
Ostracoda
  -
Ostracoda indet. Latreille 1802 ostracod
Strophomenata
 Strophomenida -
Rhynchonellata
 Spiriferida -
 Atrypida -
Atrypidina indet. Moore 1952
Bivalvia
 Myalinida - Lunulacardiidae
Pterochaenia indet. Clarke 1904 clam
 Ostreida - Pteriidae
Pteria indet. Scopoli 1777 pearl oyster
Gastropoda
  -
Gastropoda indet. Cuvier 1797 snail
Tentaculita
 Dacryoconarida -
Cephalopoda
 Goniatitida -
Goniatitida indet. Hyatt 1884 ammonite
 Nautiloidea -
Nautiloidea indet. Agassiz 1847 nautiloid
Crinoidea
 Inadunata -
Anthozoa
 Rugosa -
Rugosa indet. horn coral
 Ichnofossils -
Chondrites indet. von Sternberg 1833