Peruc–Korycany Formation

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]

Peruc–Korycany Formation
Stratigraphic range:
TypeGeological formation
Sub-unitsPeruc Member, Korycany Member
UnderliesBila Hora Formation
OverliesMetamorphic basement
Lithology
PrimarySandstone, Mudstone, Conglomerate
Location
Country Czech Republic
ExtentBohemian Cretaceous Basin
Burianosaurus femur, found in 2003 near Mezholezy.

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]

Dinosaurs
GenusSpeciesPresence MaterialNotesImages
Burianosaurus B. augustai Korycany Beds.[2] A well-preserved femur.[2] A basal ornithopod.

Invertebrates
Invertebrates
GenusSpeciesPresence MaterialNotesImages
Novasalenia N. plananyensis Plaňany.[3] A saleniid sea urchin.
N. predbojensis Předboj.[3] A saleniid sea urchin.

Plants
Plants
GenusSpeciesPresence MaterialNotesImages
Elatocladus E. velenovskyi Environs of Peruc.[4] Twigs.[4] A conifer.
Bayeritheca B. hugesii Pollen organ[5] An erdtmanithecale
Papillaephyllum P. labitae Pecínov Quarry.[6] Leaves.[6] An angiosperm.
Pecínovicladus P. kvaceki Pecínov Quarry.[7] 18 branch specimens preserved as charcoal.[7] A ginkgoale.
Pseudoasterophyllites P. cretaceus Lipenec, Pecínov Quarry, Hloubětín Brickpit & an abandoned brick pit in the eastern part of Prague.[8] A magnoliopsid.
Pseudoctenis P. babinensis Pecínov Quarry.[9] Foliage.[9] A cycad.
Zamites Z. pateri Pecínov Quarry.[10] A bennettitale.
Zlatkocarpus Z. brnikensis Clay pit near Brnik.[11] Fruiting specimens.[11] An angiosperm.
Z. pragensis Hloubětín-Hutě, northeastern suburb of Prague.[11] Inflorescence axis, fruits and pollen.[11] An angiosperm.

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. 53 (9): 1003–1031. doi:10.1080/00206810903429011. ISSN 0020-6814. S2CID 130262322.
  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. doi:10.1080/14772019.2017.1371258
  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. ISSN 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. ISSN 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. 22 (6): 695–704. doi:10.1006/cres.2001.0285.
  6. Čepičková, Jana; Kvaček, Jiří (12 September 2023). "Papillaephyllum, a new genus of angiosperm foliage from the Cenomanian of the Czech Republic". Review of Palaeobotany and Palynology: 104990. doi:10.1016/j.revpalbo.2023.104990. ISSN 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. 47 (2): 349–366. doi:10.1111/j.0031-0239.2004.00371.x. ISSN 0031-0239.
  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. 57 (2): 437–443. doi:10.4202/app.2009.0060. ISSN 0567-7920.
  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. doi:10.37520/fi.2022.017. ISSN 2533-4069.
  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. ISSN 0017-3134.


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