Loc. 2.5, Zak Quarry, Velka Chuchle (Silurian of Czech Republic)

Where: Czech Republic (50.1° N, 14.5° E: paleocoordinates 48.8° S, 55.4° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Pozary Formation, Pridoli (423.0 - 419.2 Ma)

• Range from Monograptus lochkovensis to M. transgrediens zones; middle and upper Pozary Fm.

• formation-level stratigraphic resolution

Environment/lithology: marine; lime mudstone and calcareous shale

• "...developed in facies of dark micritic limestone layers, lenses and nodules alternating with dark to light brown calcareous shales...The environment...may be interpreted as soft bottom below wave base with low current activity. Brachiopods are very rare and no trilobites are present. Bottom sediment was unfavorable for deposit feeders..."

Size class: macrofossils

Primary reference: J. Kříž. 1992. Silurian field excursions: Prague Basin (Barrandian), Bohemia. National Museum of Wales, Geological Series 13:1-111 [M. Foote/M. Foote/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 14039: authorized by Michael Foote, entered by Michael Foote on 08.05.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Crinoidea
 Monobathrida - Scyphocrinitidae
Cephalopoda
  -
Cephalopoda indet. Cuvier 1797
 Oncocerida -
 Orthocerida - Arionoceratidae
 Orthocerida - Orthoceratidae
Gastropoda
 Euomphalina - Craspedostomatidae
Spirina patula Perner 1903 snail
 Neritoidea - Naticopsidae
"Spirina tubicina" = Tubospirina tubicina
"Spirina tubicina" = Tubospirina tubicina Perner 1903 snail
 Cyrtoneritida - Orthonychiidae
Orthonychia elegans Perner 1903 snail
Bivalvia
  -
"Pelecypoda indet." = Bivalvia
"Pelecypoda indet." = Bivalvia Linnaeus 1758 clam
 Ostreida - Pteriidae
Joachymia impatiens pearl oyster
 Ostreida - Vlastidae
"Astarte bohemica" = Maida bohemica
"Astarte bohemica" = Maida bohemica Barrande 1881 oyster
genus name in quotes
 Ostreida - Pterineidae
 Pectinida - Pterinopectinidae
 Cyrtodontida - Antipleuridae
Dualina ex gr. comitans Barrande 1881 clam
 Cyrtodontida - Praecardiidae
Praecardium spp. Barrande 1881 clam
 Cyrtodontida - Cardiolidae
Malacostraca
 Archaeostraca - Ceratiocarididae
Ceratiocaris bohemica Barrande 1853
Euchelicerata
 Eurypterida - Slimonidae
Slimonia acuminata Salter 1856 eurypterid
 Eurypterida - Pterygotidae
"Pterygotus (Acutiramus) bohemicus" = Acutiramus bohemicus
"Pterygotus (Acutiramus) bohemicus" = Acutiramus bohemicus Barrande 1872 eurypterid