Peruc–Korycany Formation Explained

Peruc–Korycany Formation
Period:Cenomanian
Type:Geological formation
Prilithology:Sandstone, Mudstone, Conglomerate
Subunits:Peruc Member, Korycany Member
Underlies:Bila Hora Formation
Overlies:Metamorphic basement
Extent:Bohemian Cretaceous Basin

The Peruc–Korycany Formation is a geologic unit of Upper Cretaceous age, located mostly in the Czech Republic. It is the oldest unit of the Bohemian Cretaceous Basin, which overlies Silurian-aged metamorphosed rocks of the Bohemian Massif. It consists of fluvial to shallow marine sediments.[1]

Fossil content

Dinosaurs

Dinosaur fossil remains about 94 million years old (Cenomanian stage) were found in 2003 near the village Mezholezy (Miskovice), by Kutná Hora. This small basal ornithopod dinosaur was officially named Burianosaurus augustai in 2017.[2]

Invertebrates

Invertebrates
Genus Species Presence MaterialNotes Images
NovasaleniaN. plananyensisPlaňany.[3] A saleniid sea urchin.
N. predbojensisPředboj.A saleniid sea urchin.

Plants

Plants
Genus Species Presence MaterialNotes Images
ElatocladusE. velenovskyiEnvirons of Peruc.[4] Twigs.A conifer.
BayerithecaB. hugesiiPollen organ[5] An erdtmanithecale
PapillaephyllumP. labitaePecínov Quarry.[6] Leaves.An angiosperm.
PecínovicladusP. kvacekiPecínov Quarry.[7] 18 branch specimens preserved as charcoal.A ginkgoale.
PseudoasterophyllitesP. cretaceusLipenec, Pecínov Quarry, Hloubětín Brickpit & an abandoned brick pit in the eastern part of Prague.[8] A magnoliopsid.
PseudoctenisP. babinensisPecínov Quarry.[9] Foliage.A cycad.
ZamitesZ. pateriPecínov Quarry.[10] A bennettitale.
ZlatkocarpusZ. brnikensisClay pit near Brnik.[11] Fruiting specimens.An angiosperm.
Z. pragensisHloubětín-Hutě, northeastern suburb of Prague.Inflorescence axis, fruits and pollen.An angiosperm.

Notes and References

  1. Caracciolo. Luca. Le Pera. Emilia. Muto. Francesco. Perri. Francesco. 10 August 2011. Sandstone petrology and mudstone geochemistry of the Peruc–Korycany Formation (Bohemian Cretaceous Basin, Czech Republic). International Geology Review. en. 53. 9. 1003–1031. 10.1080/00206810903429011. 130262322 . 0020-6814.
  2. Madzia, Daniel; Boyd, Clint A.; Mazuch, Martin (2017). A basal ornithopod dinosaur from the Cenomanian of the Czech Republic. Journal of Systematic Palaeontology: 1–13.
  3. Zítt . J. . 2003 . Novasalenia gen. nov.: a remarkable Late Cenomanian echinoid from the Bohemian Cretaceous Basin (Czech Republic) . Cretaceous Research . 24 . 1 . 23–30 . 0195-6671.
  4. Kvaček . Jiří . 2015 . Elatocladus velenovskyi nom. nov., a characteristic conifer of the Bohemian Cretaceous Basin . Palaeontographica Abteilung B . 292 . 1-3 . 79–93 . 2194-900X.
  5. Kvaček . Jiřı́ . Pacltová . Blanka . December 2001 . Bayeritheca hughesii gen. et sp. nov., a new Eucommiidites -bearing pollen organ from the Cenomanian of Bohemia . Cretaceous Research . en . 22 . 6 . 695–704 . 10.1006/cres.2001.0285.
  6. Čepičková . Jana . Kvaček . Jiří . 2023-09-12 . Papillaephyllum, a new genus of angiosperm foliage from the Cenomanian of the Czech Republic . Review of Palaeobotany and Palynology . 104990 . 10.1016/j.revpalbo.2023.104990 . 0034-6667.
  7. Falcon-Lang . Howard J. . March 2004 . A new anatomically preserved ginkgoalean genus from the Upper Cretaceous (Cenomanian) of the Czech Republic . Palaeontology . en . 47 . 2 . 349–366 . 10.1111/j.0031-0239.2004.00371.x . 0031-0239. free .
  8. Kvaček . Jiří . Gomez . Bernard . Zetter . Reinhard . 13 January 2012 . The Early Angiosperm Pseudoasterophyllites cretaceus from Albian—Cenomanian of Czech Republic and France Revisited . Acta Palaeontologica Polonica . en . 57 . 2 . 437–443 . 10.4202/app.2009.0060 . 0567-7920. free .
  9. Kvaček . Jiří . January 2008 . New cycad foliage of Pseudoctenis pecinovensis from the Bohemian Cenomanian . Acta Musei Nationalis Pragae Series B Historia Naturalis / Sborník Národního muzea řada B přírodní vědy . 64 . 2-4 . 125–131.
  10. Kvaček . Jiří . 2022 . New species of Zamites from the Cenomanian of the Bohemian Cretaceous Basin . Fossil Imprint . 78 . 2 . 425–431 . 10.37520/fi.2022.017 . 2533-4069. free .
  11. KvaČek . JiŘÍ . Friis . Else Marie . 2010 . Zlatkocarpus gen. nov., a new angiosperm reproductive structure with monocolpate-reticulate pollen from the Late Cretaceous (Cenomanian) of the Czech Republic . Grana . 49 . 2 . 115 . 0017-3134.

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