Erdaogou, BE123: Guzhangian, China

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Trilobita - Lichida - Damesellidae
Drepanura premesnili Bergeron 1899
recombined as Neodrepanura premesnili
Stephanocare richthofeni Monke 1903
Blackwelderia paronai (Airaghi 1902)
Blackwelderia liaoningensis n. sp. Chu 1959
Blackwelderia sinensis (Bergeron 1899)
Blackwelderioides monkei (Walcott 1911)
Trilobita - Ptychopariida - Lorenzellidae
Lorenzella sp. Kobayashi 1935
Trilobita - Trinucleida - Liostracinidae
Liostracina krausei Monke 1903
see common names

Geography
Country:China State/province:Liaoning County:Benxi
Coordinates: 41.3° North, 123.7° East (view map)
Paleocoordinates:3.2° North, 141.7° East
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period:Cambrian Epoch:Miaolingian
Stage:Guzhangian 10 m.y. bin:Cambrian 4
Key time interval:Guzhangian Trilobite zone: Drepanura
Age range of interval:500.50000 - 497.00000 m.y. ago
Stratigraphy
Formation:Kushan
Local section:Erdaogou Local bed:BE123
Local order:top to bottom
Stratigraphic resolution:bed
Stratigraphy comments: sample BE123 from unit 4
Lithology and environment
Primary lithology: lithified calcareous "shale"
Secondary lithology: lithified "limestone"
Lithology description: purple and yellow calcareous shale, intercalated with limestone
Environment:carbonate indet.
Geology comments: N China Platform
Taphonomy
Modes of preservation:cast,mold/impression
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:129882
Authorizer:W. Kiessling Enterer:U. Merkel
Research group:marine invertebrate
Created:2012-06-29 18:55:11 Last modified:2012-06-29 03:55:11
Access level:authorizer only Released:2015-06-29 18:55:11
Creative Commons license:CC BY
Reference information

Primary reference:
42161. C. L. Chu. 1959. Trilobites from the Kushan Formation of north and northeastern China. Memoirs of the Institute of Palaeontology Academia Sinica 2:44-128 [W. Kiessling/U. Merkel]