Cerná Rokle at Kosor (Devonian of Czechia)

Where: Czechia (50.0° N, 14.3° E)

• Paleocoordinates: 17.9° S, 7.1° E (Wright 2013)

• coordinate based on political unit

When: Radotin Limestone Formation, Lochkovian (419.6 - 413.0 Ma)

• Most of the material comes from Kosor-Cerna rokle, old quarries on both sides of the valley, upper Lochkovian, Monograptus hercynicus Zone. Dacryoconarid tentaculites preserved in the same slabs of rocks point to the Zones with Homoctenowakia bohemica and Paranowakia intermedia.

• formation-level stratigraphic resolution

Environment/lithology: marine; limestone

Size class: macrofossils

Primary reference: I. Chlupac. 1994. Pterygotid eurypterids (Arthropoda, Chelicerata) in the Silurian and Devonian of Bohemia. Journal of the Czech Geological Society 39(2-3):147-162 [R. Plotnick/R. Plotnick]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 231818: authorized by Roy Plotnick, entered by Roy Plotnick on 14.09.2023, edited by Joseph Flannery-Sutherland

Creative Commons license: CC0 (CC0)

Taxonomic list

Pterobranchia
 Graptoloidea - Monograptidae
Chondrichthyes
  - Machaeracanthidae
Machaeracanthus bohemicus1 Barrande 1872 spiny fish
Placodermi
 Arthrodira - Titanichthyidae
Holopetalichthys kosorensis1 armour-plated fish
 Acanthothoraci - Palaeacanthaspidae
Tlamaspis inopinatus2 Vaškaninová and Ahlberg 2017 armour-plated fish
Sudaspis chlupaci2 Vaškaninová and Ahlberg 2017 armour-plated fish
Kosoraspis peckai1 Gross 1959 armour-plated fish
Radotina kosorensis2 Gross 1950 armour-plated fish
Strophomenata
 Strophomenida - Sowerbyellidae
 Strophomenida - Rafinesquinidae
 Orthotetida - Areostrophiidae
Rhynchonellata
 Spiriferida - Delthyrididae
Lingulata
 Lingulida - Lingulidae
 Discinida - Disciniidae
Hyolitha
 Orthothecida - Orthothecidae
"Orthotheca intermedia" = Orthotheca suavis1
"Orthotheca intermedia" = Orthotheca suavis1 Barrande 1872
Tentaculita
 Homoctenida - Paranowakiidae
 Nowakiida - Nowakiidae
Bivalvia
 Cyrtodontida - Antipleuridae
 Cyrtodontida - Praecardiidae
Neklania sp.1 Růžička and Přibyl 1953 clam
 Myalinida - Lunulacardiidae
Lunulacardium sp.1 Münster 1840 clam
 Ostreida - Pterineidae
Gastropoda
 Euomphalina - Platyceratidae
Praenatica proeva1 Perner 1903 snail
 Euomphalina - Holopeidae
 Murchisoniina - Loxonematidae
Malacostraca
 Archaeostraca - Ceratiocarididae
"Ceratiocaris cornwallisensis" = Warneticaris cornwallisensis1
"Ceratiocaris cornwallisensis" = Warneticaris cornwallisensis1 Copeland 1960
 Archaeostraca -
 Eurypterida - Pterygotidae
Acutiramus perneri n. sp. Chlupac 1994 eurypterid
Artiopoda
 Corynexochida - Styginidae
 Odontopleurida - Odontopleuridae
Leonaspis lochkovensis1 Prantl and Přibyl 1949 trilobite
 Phacopida - Phacopidae
"Lochkovella misera" = Denckmannites miser1
"Lochkovella misera" = Denckmannites miser1 Barrande 1852 trilobite
 Proetida - Proetidae
Lepidoproetus lepidus1 Barrande 1846 trilobite
 Proetida - Scharyiidae
Scharyia angusta1 Pribyl 1966 trilobite
 Proetida - Tropidocoryphidae
Ranunculoproetus heteroclytus1 Barrande 1852 trilobite
Protozoa
  -