Z001: Bashkirian - Chokierian, China

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Conodonta - Ozarkodinida - Idiognathodontidae
Idiognathoides sinuatus
Neognathodus symmetricus
Cephalopoda - Goniatitida - Reticuloceratidae
Retites ortirus
Reticuloceras reticulatum (Phillips 1836)
Gastropoda
Gastropoda indet. Cuvier 1795
vermiform gastropods
Gastropoda - Euomphalina - Euomphalidae
Euomphalus sp. Sowerby 1814
    = Euomphalidae sp. White 1877
Wagner 2023
Gastropoda - Murchisoniina - Soleniscidae
Soleniscus sp. Meek and Worthen 1860
Gastropoda - Naticopsidae
Naticopsis sp. M'Coy 1844
species 1
Naticopsis sp. M'Coy 1844
species 2
Gastropoda - Bellerophontida
Bellerophon sp. de Montfort 1808
    = Bellerophontoidea sp. M'Coy 1851
Wagner 2023
see common names

Geography
Country:China State/province:Nei Mongol
Coordinates: 39.0° North, 106.0° East (view map)
Paleocoordinates:13.2° North, 69.3° East
Time
Period: Carboniferous Epoch: Pennsylvanian
Stage: Bashkirian 10 m.y. bin: Carboniferous 4 - Carboniferous 3-4
Key time interval: Bashkirian - Chokierian Ammonoid zone:  Homoceras - Reticuloceras
Age range of interval: 323.2 - 323.1 m.y. ago
Stratigraphy
Formation:Tsingyuan Member:Middle
Stratigraphic resolution:member
Stratigraphy comments: Falls into the Pennsylvanian sub-period. Homoceras(2)-Reticuloceras(1)
Lithology and environment
Primary lithology: carbonaceous sandstone
Secondary lithology: "shale"
Environment:marine indet.
Geology comments: "Middle Member is composed chiefly of grey to dark grey shale and carbonaceous shale, intercalated with a few thick or thin bedded, moderately fine-grained quartz sandstones and lenticular argillaceous limestones."
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Taxonomic list comments:"These specimens are not well preserved and thus have not been assigned to a particular species."; list includes gastropods, some ammonoids, and some conodonts
Metadata
Also known as:Bellerophon-Naticopsis assemblage, Tsingyuan Fm. (Upper Mbr.)
Database number:672
Authorizer:J. Alroy, P. Wagner Enterer:M. Sommers, P. Wagner
Modifier:P. Wagner Research group:marine invertebrate
Created:1999-02-17 14:34:13 Last modified:2021-10-02 22:03:22
Access level:the public Released:1999-02-17 14:34:13
Creative Commons license:CC BY
Reference information

Primary reference:
14. H. Pan. 1997. Namurian (Lower Carboniferous) gastropod assemblages from Ningxia, China. Journal of Paleontology 71(4):599-609 [J. Alroy/M. Sommers/J. Alroy]

Secondary references:

9042 P. J. Wagner. 2023. Paleozoic Gastropod, Rostroconch, Helcionelloid and Tergomyan Database (2006 - 2023). [P. Wagner/P. Wagner/P. Wagner]