Yangjuan Village, Xinmin District: Pelsonian, China
collected 2003-2008

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Eosauropterygia - Nothosauridae
Nothosaurus yangjuanensis n. sp. Jiang et al. 2006
Jiang et al. 2006 1 specimen
GMPKU-P-1080
Reptilia - Eosauropterygia
Wumengosaurus delicatomandibularis Jiang et al. 2008
Wu et al. 2011 5 individuals
GMPKU-P-1210, 1209, NMNS-KIKO-F071129-Z, IVPP V15314, ZMNH M8758
Reptilia - Placodontia - Placodontidae
Placodus inexpectatus n. sp. Jiang et al. 2008
Jiang et al. 2008
GMPKU-P-1054 (holotype), nearly complete skeleton
Reptilia - Mixosauridae
Phalarodon cf. fraasi Merriam 1910
1 individual
GMPKU-P-1032
see common names

Geography
Country:China State/province:Guizhou County:Panxian
Coordinates: 25.5° North, 104.8° East (view map)
Paleocoordinates:11.7° North, 94.2° East
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period:Triassic Epoch:Middle Triassic
Stage:Anisian 10 m.y. bin:Triassic 2
Key time interval:Pelsonian Conodont zone: Nicoraella germanicus
Age range of interval:244.70000 - 243.80000 m.y. ago
Stratigraphy
Formation:Guanling
Stratigraphic resolution:bed
Stratigraphy comments: "The fossil-bearing horizon, about 15 cm in thickness, lies immediately below a layer of white clay (ca. 5 cm thick, representing a marker bed for the most fossiliferous horizon). This marker bed is situated within the upper member of the Guanling Formation"
Lithology and environment
Primary lithology: not reported
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Preservation of anatomical detail:excellent
Abundance in sediment:rare
Fragmentation:frequent
Spatial resolution:parautochthonous
Collection methods and comments
Collection methods:chemical,mechanical
Collection size:6 individuals
Reason for describing collection:general faunal/floral analysis
Museum repositories:IVPP
Collection dates:2003-2008
Metadata
Database number:103987
Authorizer:M. Carrano, G. Lloyd, A. Dunhill Enterer:H. Street, B. Allen, G. Lloyd
Modifier:P. Wagner Research group:vertebrate
Created:2011-02-04 07:38:32 Last modified:2021-02-17 20:45:23
Access level:the public Released:2011-02-04 07:38:32
Creative Commons license:CC BY
Reference information

Primary reference:

35023. D.-Y. Jiang, L. Schmitz, R. Motani, W.-C. Hao, and Y.-L. Sun. 2007. The mixosaurid ichthyosaur Phalarodon cf. P. Fraasi from the Middle Triassic of Guizhou Province, China. Journal of Paleontology 81(3):602-605 [M. Carrano/H. Street]

Secondary references:

33005 D.- Y. Jiang, R. Motani, W.-C. Hao, O. Rieppel, Y.-L. Sun, L. Schmitz, and Z.-Y. Sun. 2008. First record of Placodontoidea (Reptilia, Sauropterygia, Placodonta) from the Eastern Tethys. Journal of Vertebrate Paleontology 28(3):904-908 [M. Carrano/H. Street/P. Wagner]
53078 D.-Y. Jiang, M. W. Maisch, W.-C. Hao, Y. O. Sun, and Z.-Y. Sun. 2006. Nothosaurus yangyuanensis n. sp. (Reptlia, Sauropterygia, Nothosauridae) from the middle Anisian (Middle Triassic) of Guizhou, southwestern China. Neues Jahrbuch für Geologie und Paläontologie Monatschefte 2006(5):257-276 [P. Wagner/P. Wagner]
35664ETE X.-C. Wu, Y.-N. Cheng, C. Li, L.-J. Zhao, and T. Sato. 2011. New information on Wumengosaurus delicatomandibularis Jiang et al, 2008 (Diapsida: Sauropterygia), with a revision of the osteology and phylogeny of the taxon. Journal of Vertebrate Paleontology 31(1):70-83 [M. Carrano/H. Street]