Kacak-Schichten, Barrandium, Czech Republic (Devonian of Czech Republic)

Where: Bohemia, Czech Republic (50.0° N, 14.5° E: paleocoordinates 26.3° S, 34.6° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Srbsko-Schichten Formation, Early/Lower Givetian (388.1 - 383.7 Ma)

• Roblin-Schichten lies above Kacak-Schichten. fauna indicate Kacak-Schichten is at base of Givetian.

• group of beds-level stratigraphic resolution

Environment/lithology: gray, calcareous shale

• located on the slopes of Chotec limestones. formed by very dark gray & brownish limy shales, sometimes with calcareous interstratifications, 2.5 - 15 meters thick.

Size classes: macrofossils, microfossils

Preservation: mold/impression, adpression

Collection methods: quarrying, chemical, mechanical,

Primary reference: J. Obrhel. 1961. Die Flora der Srbsko-Schichten (Givet) des mittelboehmischen Devons. [The Flora of the Srbsko Strata (Givetian) of the Central Bohemian Devonian]. Sbornik Ustredniho Ustavu Geologickeho 26:7-46 [P. Gensel/C. Bernard/C. Bernard]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 27157: authorized by Pat Gensel, entered by Caroline Bernard on 20.11.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

• "Coniferites" fritschi also found at Srbsko, stratum unknown. original specimen lost during WWII.
unclassified
  -
Plantae "sporangiumB" Haeckel 1866
Plantae "sporangiumC" Haeckel 1866
Protolepidodendron scharianum
  -
"Protolepidodendron scharianum" = Chauvinia scharyana
"Protolepidodendron scharianum" = Chauvinia scharyana Krejci 1880
Srbsko, Kubrychtova bouda near Srbsko, Hostim
Drepanophycus
  -
"Drepanophycus" spinosus
Bubovice, Srbsko (?)
Psilophytopsida
 Psilophytales -
Pseudosporochnus chlupaci
Hlubocepy, Srbsko
Pseudosporochnus verticillatus
Pseudosporochnus verticillatus Krejci, 1888. Hlubocepy, Chynice, Chotec, Karlstejn, Srbsko, Hostim, Bubovice
 Psilophytales - Psilophytaceae
Psilophyton krauseli
Hlubocepy, Srbsko
Barrandeina dusliana
  -
Barrandeina dusliana Krejci 1882
Chotec, Karlstejn, Srbsko, Hostim
Aneurophytopsida
 Aneurophytales - Aneurophytaceae
? Aneurophyton bohemicum
Chynice, Srbsko, Hostim
Zosterophyllum
  -
? Zosterophyllum cf. bohemicum
Praha-Hlubocepy, Srbsko
? Zosterophyllum "sp." Penhallow 1892
Praha-Hlubocepy
Stigmophyton sturi
  -
Stigmophyton sturi Kraeusel and Weyland 1933
Bubovice (Boubova), Srbsko (?)
Protopteridium hostinense
  -
Protopteridium hostinense Krejci 1880
Praha-Hlubocepy, Holyne, Chotec, Karlstejn, Srbsko, Kubrychtova bouda near Srbsko, Hostim, Budovice