Loc. 5.1, Na breckvici, Praha-Butovice, sect. 584, Motol (beds 1-9) (Silurian of Czech Republic)

Where: Czech Republic (50.1° N, 14.3° E: paleocoordinates 54.2° S, 59.5° E)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Motol Formation, Homerian (430.5 - 427.4 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; volcaniclastic, gray, green, calcareous shale and lime mudstone

• "Section...starts..at basalt which is overlain by 1050 cm of dark-grey calcareous shales with rare concretions of dark micritic limestone..[Then volcanic granulate and basalt, within which is a horizon of ] dark grey-green tuffitic shales...Above the pyroclastics is a 870 cm thick sequence of dark brown grey-green tuffaceous shales [upper parts have C. colonus]..."

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 14062: authorized by Michael Foote, entered by Michael Foote on 10.05.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Prototaxites
  -
Prototaxites sp. Dawson 1859
Plantae
Protozoa
  -
Ancyrochitina sp.
chitinozoan
Cephalopoda
  -
Cephalopoda indet. Cuvier 1797
Bivalvia
  -
"Pelecypoda indet." = Bivalvia
"Pelecypoda indet." = Bivalvia Linnaeus 1758 clam
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
Pterobranchia
 Graptoloidea - Cyrtograptidae
 Graptoloidea - Retiolitidae
 Graptoloidea - Monograptidae
Monograptus sp. graptolite
Life
 Prosamatifera - Conochitinidae
Conochitina tuba
chitinozoan