Loc. 5.4, Arethusina Gorge, sect. 687: Gorstian - Ludfordian, Czech Republic

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda
Cephalopoda indet. Cuvier 1797
Bivalvia - Cyrtodontida - Slavidae
Slava cubicula
Slavinka tanita
Slavinka amarygma
Slavinka elevata (Barrande 1881)
Bivalvia - Cyrtodontida - Cardiolidae
Cardiola docens
Cardiola consanguinis
Bivalvia - Cyrtodontida - Antipleuridae
Dualina spp.
Bivalvia - Cyrtodontida - Spanilidae
Spanila spp.
Bivalvia - Modiomorphida - Modiomorphidae
Butovicella migrans (Barrande 1881)
unclassified
Brachiopoda indet. Cuvier 1805
Strophomenata - Strophomenida - Leptostrophiidae
Leptostrophiella nebulosa
synonym of Mesoleptostrophia
Rhynchonellata - Rhynchonellida - Trigonirhynchiidae
Agarhyncha famula
Rhynchonellata - Rhynchonellida - Innaechiidae
Xeniopugnax modicus
Rhynchonellata - Atrypida - Septatrypidae
Septatrypa alumna
Septatrypa caprilupa
Septatrypa sapho
Dubaria saphina
synonym of Septatrypa
Dubaria megaera
synonym of Septatrypa
Atrypoidea linguata (von Buch 1834)
recombined as Linguithyris linguata
Cromatrypa pentagona
Cromatrypa orbis Havlíček 1987
Rhynchonellata - Atrypida - Atrypinidae
Gracianella umbrella
Claratrypa clarula
synonym of Gracianella
Rhynchonellata - Pentamerida - Gypidulidae
Cadudium sphaeruleum
Rhynchonellata - Pentamerida - Camerellidae
Bleshidium paucicosta
Bleshidium patellinum (Barrande 1879)
Rhynchonellata - Spiriferida - Tenellodermidae
Tenellodermis tenellus
Rhynchonellata - Spiriferida - Cyrtiidae
Cyrtia bedya
Cyrtia humilis
Rhynchonellata - Spiriferida - Reticulariidae
Spirinella tureki Havlicek 1990
Alaskospira carens
Rhynchonellata - Athyridida - Athyrididae
Pseudoprotathyris daeles
Rhynchonellata - Athyridida - Dayiidae
Protozeuga miliana
Trilobita
Trilobita indet. Walch 1771
Trilobita - Harpetida - Harpetidae
Bohemoharpes (Bohemoharpes) ovatum
Trilobita - Proetida - Otarionidae
Otarion (Otarion) diffractum Zenker 1833
Trilobita - Odontopleurida - Odontopleuridae
Diacanthaspis (Acantholomina) minuta
Leonaspis geinitziana
Trilobita - Phacopida - Encrinuridae
Balizoma transiens
Cromus storchi
Encrinuraspis beaumonti
Trilobita - Phacopida - Cheiruridae
Didrepanon squarrosum
Sphaerexochus paramirus
Trilobita - Phacopida - Phacopidae
Eophacops bulliceps
Pterobranchia - Dendroidea - Dendrograptidae
Dendrograptus fruticosus
"Dendrograptus (S.) fruticosus"
Pterobranchia - Graptoloidea - Retiolitidae
Spinograptus spinosus
Pterobranchia - Graptoloidea - Monograptidae
Monograptus chimaera
Monograptus scanicus
Monograptus fritschi
Colonograptus colonus
synonym of Saetograptus
Bohemograptus bohemicus (Barrande 1850)
see common names

Geography
Country:Czech Republic
Coordinates: 50.0° North, 14.3° East (view map)
Paleocoordinates:51.6° South, 57.3° East
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Silurian Epoch:Ludlow
10 m.y. bin:Silurian 2
*International age/stage:Gorstian - Ludfordian
Key time interval:Gorstian - Ludfordian
Age range of interval:427.40000 - 423.00000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Kopanina
Stratigraphic resolution:group of beds
Stratigraphy comments: This part of section spans M. chimaera and M.fritschi linearis zones.
Lithology and environment
Primary lithology:volcaniclastic,gray,red or brown "shale"
Secondary lithology:gray lime mudstone
Includes fossils?Y
Includes fossils?Y
Lithology description: "...volcaniclastics overlain by sequence of brown-grey tuffitic shales alternating with lenses and concretions of grey fine-grained limestone [micritic]..."
Environment:marine indet.
Geology comments: "...Havlicek and Storch (1991) described this assemblage as the Encrinuraspis beaumonti-smooth Atrypid Community and suggested BA 3-4."
Taphonomy
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:14066
Authorizer:M. Foote Enterer:M. Foote
Modifier:M. Foote Research group:marine invertebrate
Created:2002-05-10 08:49:55 Last modified:2006-09-15 15:13:14
Access level:the public Released:2002-05-10 08:49:55
Creative Commons license:CC BY
Reference information

Primary reference:

6185. J. Kříž. 1992. Silurian field excursions: Prague Basin (Barrandian), Bohemia. National Museum of Wales, Geological Series 13:1-111 [M. Foote/M. Foote/P. Wagner]