Bed Mb05, Meishucun section: Meishucunian - Nemakit-Daldynian, China

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Protoconodonta
Protohertzina anabarica Missarzhevsky 1973
Protohertzina unguliformis Missarzhevsky 1973
Protohertzina cf. siciformis Missarzhevsky 1973
Maikhanellidae
Canopoconus pristinis (Jiang 1980)
Siphogonuchitidae
Siphogonuchitidae indet. Qian 1977
Orthothecida - Circothecidae
Circothecidae informal gen. et sp. indet
Parkhaev and Demidenko 2010
Hyolithelminthida - Hyolithellidae
? Hyolithellus sp. Billings 1872
Coeloscleritophora - Chancelloriida - Chancelloriidae
? Chancelloria sp. Walcott 1920
unclassified
Archaeooides granulatus Qian 1977
Scyphozoa - Anabaritida - Anabaritidae
Anabarites trisulcatus Voronova and Missarzhevsky 1969
see common names

Geography
Country:China State/province:Yunnan County:Jinning
Coordinates: 24.7° North, 102.6° East (view map)
Paleocoordinates:38.4° North, 163.6° East
Basis of coordinate:stated in text
Geographic resolution:local area
Time
Period: Cambrian Epoch: Terreneuvian
10 m.y. bin: Cambrian 1-2
Key time interval: Meishucunian - Nemakit-Daldynian Small shelly zone:  Anabarites trisulcatus - Protohertzina anabarica
Age range of interval: 530.7 - 525.5 m.y. ago
Stratigraphy
Geological group:Meishucunian Formation:Zhujianqing Member:Zhongyicun
Local section:Meishucun Local bed:27.1–28.7 m
Local order:bottom to top
Stratigraphic resolution:bed
Lithology and environment
Primary lithology:ferruginous,phosphatic,gray,white,yellow lithified silty claystone
Includes fossils?Y
Lithology description: Yellowish-grey to whitish grey or grey, laminated, phosphatic, silty claystone. Dispersed reddish-brown ferruginous bands parallel to bedding. Mineralogical composition mainly illite and kaolinite, with quartz siilt
Environment:marine indet.
Taphonomy
Modes of preservation:body,cast
Size of fossils:mesofossils,microfossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:general faunal/floral analysis
Collection method comments: Specimens stored at Nanjing Institue of Geology and Palaeontology, Academia Sinica, Nanjing, China
Metadata
Also known as:Bed 5 of Qian & Bengston
Database number:96431
Authorizer:P. Wagner Enterer:P. Wagner
Modifier:P. Wagner Research group:marine invertebrate
Created:2010-06-07 12:04:13 Last modified:2010-06-07 15:04:24
Access level:the public Released:2010-06-07 12:04:13
Creative Commons license:CC BY
Reference information

Primary reference:
13535. Y. Qian and S. Bengtson. 1989. Palaeontology and biostratigraphy of the Early Cambrian Meishucunian Stage in Yunnan Province, South China. Fossils and Strata 24:1-156 [P. Wagner/P. Wagner/S. Nurnberg]

Secondary references:

34896 P. Y. Parkhaev and Y. Demidenko. 2010. Zooproblematica and mollusca from the Lower Cambrian Meishucun section (Yunnan, China) and taxonomy and systematics of the Cambrian small shelly fossils of China. Paleontological Journal 44(8):883-1161 [P. Wagner/P. Wagner]