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: Cenomanian PreꞒ Ꞓ O S D C P T J K Pg N
Type	Geological formation
Sub-units	Peruc Member, Korycany Member
Underlies	Bila Hora Formation
Overlies	Metamorphic basement
Lithology
Primary	Sandstone, Mudstone, Conglomerate
Location
Country	Czech Republic
Extent	Bohemian 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
Genus	Species	Presence	Material	Notes	Images
Burianosaurus	B. augustai	Korycany Beds.[2]	A well-preserved femur.[2]	A basal ornithopod.

Invertebrates

Invertebrates
Genus	Species	Presence	Material	Notes	Images
Novasalenia	N. plananyensis	Plaňany.[3]		A saleniid sea urchin.
	N. predbojensis	Předboj.[3]		A saleniid sea urchin.

Plants

Plants
Genus	Species	Presence	Material	Notes	Images
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.