Skelbro quarry, Bed -18: Volkhov, Sweden

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Trilobita - Asaphida - Nileidae
Nileus planiceps Nielsen 1995
Nileus depressus Boeck 1838
Nileus depressus schranki
Nileus orbiculatoides (Schrank 1972)
Symphysurus spp.
Trilobita - Asaphida - Cyclopygidae
Cyclopyge stigmata
Trilobita - Asaphida - Asaphidae
Niobe (Niobella) imparilimbata (Bohlin 1955)
Megistaspis (Megistaspis) polyphemus (Brögger 1882)
"Ptychopyge" spp.
Trilobita - Trinucleida - Raphiophoridae
Lonchodomas tenuis Nielsen 1995
Rhombampyx glaber (Poulsen 1965)
Trilobita - Phacopida - Cheiruridae
Cyrtometopus spp.
Trilobita - Corynexochida - Styginidae
Raymondaspis (Turgicephalus) neglecta Nielsen 1995
Agnostida - Metagnostidae
Geragnostus sp. Howell 1935
see common names

Geography
Country:Sweden State/province:Bornholm
Coordinates: 55.0° North, 14.9° East (view map)
Paleocoordinates:41.3° South, 11.9° West
Time
Period:Ordovician Epoch:Middle Ordovician
Stage:early Middle Ordovician 10 m.y. bin:Ordovician 2
Key time interval:Volkhov Trilobite zone: Megistaspis polyphemus
Age range of interval:471.80000 - 468.10000 m.y. ago
Stratigraphy
Formation:Komstad
Local section:Skelbro quarry Local bed:0.275-0.425 m
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: Lower part of Didymograptus hirundo graptolite zone.
Lithology and environment
Primary lithology: "limestone"
Environment:carbonate indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Metadata
Database number:173626
Authorizer:P. Wagner Enterer:P. Wagner
Research group:marine invertebrate
Created:2015-10-04 19:32:40 Last modified:2015-10-04 19:32:40
Access level:the public Released:2015-10-04 19:32:40
Creative Commons license:CC BY
Reference information

Primary reference:

56570. A. T. Nielsen. 1995. Trilobite systematies, biostratigraphy and palaeoecology of the Lower Ordovician Komstad Limestone and Huk Forrnations, southern Scandinavia. Fossils and Strata 38:1-374 [P. Wagner/P. Wagner]