Dadoushan Hill, bed 8: Guzhangian, China

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Trilobita - Ptychopariida - Diceratocephalidae
Jiangnania fengzuensis n. sp. Lu and Lin 1989
synonym of Ajrikina hunanensis
Trilobita - Ptychopariida - Catillicephalidae
Buttsia globosa Lu and Lin 1987
Agnostida - Ammagnostidae
Ammagnostus duibianensis n. sp. Lu and Lin 1989
Agnostida - Diplagnostidae
Linguagnostus sp. Kobayashi 1939
Agnostida - Agnostidae
Cyclagnostus yaogongbuensis Lu and Lin 1987
synonym of Acmarhachis typicalis
see common names

Geography
Country:China State/province:Zhejiang County:Jiangshan
Coordinates: 28.8° North, 118.6° East (view map)
Paleocoordinates:17.3° North, 146.1° East
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period:Cambrian Epoch:Furongian
10 m.y. bin:Cambrian 4
Key time interval:Guzhangian Trilobite zone: Lejopyge sinensis
Age range of interval:500.50000 - 497.00000 m.y. ago
Stratigraphy
Formation:Huayansi
Local section:Dadoushan Local bed:8
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: sample ADA20, Lejopyge sinensis zone of Lu and Lin 1989, =Linguagnostus reconditus zone of S China
Lithology and environment
Primary lithology: lithified "limestone"
Secondary lithology: lithified calcareous "shale"
Includes fossils?Y
Lithology description: blackish grey thin-bedded limestone and calcareous shale intercalations
Environment:slope
Geology comments: outermost part of the Jiangnan Slope Belt, adjacent to the Jiangnan Basin
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:125686
Authorizer:W. Kiessling Enterer:U. Merkel
Research group:marine invertebrate
Created:2012-03-16 00:18:48 Last modified:2012-03-15 08:18:48
Access level:authorizer only Released:2015-03-16 00:18:48
Creative Commons license:CC BY
Reference information

Primary reference:

40788. Y. H. Lu and H. L. Lin. 1989. The Cambrian trilobites of western Zhejiang. Palaeontologia Sinica, new series B 25:1-287 [W. Kiessling/U. Merkel]