Beishan Hills, Quarry 3, Subei County: Olenekian, China

List of taxa
Where & when
Taphonomy & methods
Metadata & references
Taxonomic list
Actinopteri - Perleidiformes - Perleididae
Perleidus sp. de Alessandri 1910
Actinopteri - Ptycholepiformes - Ptycholepididae
Boreosomus sp. Stensiƶ 1921
Actinopteri - Scanilepiformes
Beishanichthys brevicaudalis n. gen., n. sp. Xu and Gao 2011
Xu and Gao 2011
Beishanodon youngi n. gen., n. sp. Gao et al. 2010
1 individual
PKUP V3007, incomplete skull (holotype)
Sphenopsida - Equisetales - Calamitaceae
Neocalamites sp. Halle 1908
see common names

Country:China State/province:Gansu
Coordinates: 42.0° North, 96.5° East (view map)
Paleocoordinates:32.8° North, 85.0° East
Basis of coordinate:stated in text
Geographic resolution:outcrop
Period:Triassic Epoch:Early/Lower Triassic
Stage:Olenekian 10 m.y. bin:Triassic 1
Key time interval:Olenekian
Age range of interval:251.20000 - 247.20000 m.y. ago
Stratigraphic resolution:group of beds
Stratigraphy comments: Olenekian age is based upon vertebrate and plant biostratigraphy
Lithology and environment
Primary lithology: lithified "shale"
Includes fossils?Y
Environment:lacustrine indet.
Modes of preservation:body
Degree of concentration:concentrated
Size of fossils:macrofossils
Preservation of anatomical detail:good
Temporal resolution:snapshot
Collection methods and comments
Collection methods:selective quarrying,field collection
Reason for describing collection:taxonomic analysis
Collection method comments: PKUP: Peking University Paleontological Collections, Beijing
Database number:105775
Authorizer:M. Clapham, R. Butler Enterer:M. Clapham, R. Butler
Modifier:R. Butler Research group:vertebrate
Created:2011-02-25 04:19:03 Last modified:2013-11-25 13:02:06
Access level:the public Released:2011-02-25 04:19:03
Creative Commons license:CC BY
Reference information

Primary reference:

46432. K.-Q. Gao, R. C. Fox, C.-F. Zhou and D.-Q. Li. 2010. A new nonmammalian eucynodont (Synapsida: Therapsida) from the Triassic of northern Gansu Province, China, and its biostratigraphic and biogeographic implications. American Museum Novitates 3685:1-25 [R. Butler/R. Butler]

Secondary references:

35311 G. H. Xu and K. Q. Gao. 2011. A new scanilepiform from the Lower Triassic of northern Gansu Province, China, and phylogenetic relationships of non-teleostean Actinopterygii. Zoological Journal of the Linnean Society 161:595-612 [M. Clapham/M. Clapham]