Where: Czech Republic (50.0° N, 15.6° E: paleocoordinates 40.1° N, 14.6° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Bilá Formation, Early/Lower Turonian (93.5 - 89.3 Ma)
• STRATIGRAPHIC RELATIONS: From the Bilá Fm, which overlies the Korycany Mbr of the Peruc-Korycany Fm. AGE: Early Turonian, presumably on the basis of foraminiferal and macrofossils biostratigraphy. STRATIGRAPHIC POSITION: From a deep depression, named the Giant Channel, situated in the eastern part of the quarry. Collection is from near top of section, Unit 8a-e (siltstones with sponges), which is about 1.5-2 m thick.
• bed-level stratigraphic resolution
Environment/lithology: marine; poorly lithified, gray, yellow siltstone
Size class: macrofossils
Collected by Vodrazka & Zitt
Collection methods: bulk, surface (in situ),
• COLLETORS: Vodrazka & Zitt. REPOSITORY: Institute of Geology (Academy of Sciences of the Czech Republic) in Prague.
Primary reference: J. Zitt, R. Vodrázka, L. Hradecká, M. Svobodová, and K. Zágorsek. 2006. Late Cretaceous environments and communities as recorded at Chrtníky (Bohemian Cretaceous Basin, Czech Republic). Bulletin of Geosciences 81(1):43-79 [A. Hendy/A. Hendy]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 90517: authorized by Austin Hendy, entered by Austin Hendy on 04.08.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Porifera indet. Grant 1836 | |
Hexactinellida | |
Lychniscosida indet. Schrammen 1903 glass sponge | |
Cystispongia morchella Pocta 1883 glass sponge | |
Guettardiscyphia sp. Fromentel 1860 glass sponge | |
Diplodictyon heteromorphum glass sponge | |
Botroclonium arborescens Pocta 1883 glass sponge
Laocoetis beaumonti glass sponge
Laocoetis vulgata Pocta 1883 glass sponge | |
Demospongiae | |
Verruculina phillipsi demosponge | |
Seliscothon sp. Zittel 1878 demosponge | |
Verrucospongia sparsa demosponge | |
Chonella cf. patella, Chonella sp., Cytoracia obesa, Scytalia pertusa, Scytalia sp., Astrobolia conglobata, Astrobolia plauensis
Chonella cf. patella demosponge
Chonella sp. Zittel 1878 demosponge
Cytoracia obesa demosponge
Scytalia pertusa demosponge
Scytalia sp. Zittel 1878 demosponge
Astrobolia conglobata demosponge
Astrobolia plauensis demosponge | |
Astrocladia sp. Zittel 1878 demosponge | |
Calcarea | |
Endostoma sp. Roemer 1864 calcareous sponge | |
Tremospongia clavata calcareous sponge | |
Bivalvia | |
"Pycnodonte (Phygraea) vesiculare" = Pycnodonte (Phygraea) vesicularis, Hyotissa semiplana, Gryphaeostrea canaliculata, Amphidonte (Amphidonte) reticulatum, Amphidonte (Amphidonte) sigmoideum
"Pycnodonte (Phygraea) vesiculare" = Pycnodonte (Phygraea) vesicularis Lamarck 1806 oyster
Hyotissa semiplana Sowerby 1825 oyster
Gryphaeostrea canaliculata Sowerby 1813 oyster | |
Pinna sp. Linnaeus 1758 oyster | |
Spondylus cf. lineatus scallop
Chlamys sp. Röding 1798 scallop | |
Atreta "sp. 1" Etallon 1862 scallop
Atreta "sp. 2" Etallon 1862 scallop | |
Polychaeta | |
Craniata | |
Rhynchonellata | |
Gymnolaemata | |
Onychocella reussi Prantl 1938 | |
Stenolaemata | |
Proboscina sp. Audouin 1826 | |
Reptomultelea sarthacensis d'Orbigny 1853 | |
Crinoidea | |
"Isocrinus" sp. von Meyer 1836 Sea lily
Isocrinus sp. von Meyer 1836 Sea lily
Isocrinus cf. lanceolatus Roemer 1840 Sea lily | |
Echinoidea | |
Hemiaster sp. Agassiz and Desor 1847 heart urchin | |
Tylocidaris vesicolosa pencil urchin
Tylocidaris sorigneti pencil urchin
Tylocidaris versiculosa pencil urchin | |
Actinopteri | |
Osmeroides sp. Agassiz 1835 |