Xinmin, Panxian County (IVPP) (Triassic of China)

Also known as Qianosuchus holotype site

Where: Guizhou, China (25.7° N, 104.5° E: paleocoordinates 11.7° N, 93.8° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Guanling Formation, Pelsonian (247.2 - 242.0 Ma)

• Not clear if fossils are collected from a restricted stratigraphic horizon, or from multiple layers

• group of beds-level stratigraphic resolution

Environment/lithology: lagoonal or restricted shallow subtidal; limestone

• "Near shore platform or lagoon"

Size class: macrofossils

Reposited in the IVPP

Primary reference: C. Li, X. -C. Wu, Y. Cheng, T. Sato, and L. Wang. 2006. An unusual archosaurian from the marine Triassic of China. Naturwissenschaften 93(4):200-206 [R. Butler/R. Butler/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 88049: authorized by Richard Butler, entered by Richard Butler on 31.03.2009, edited by Matthew Clapham and Roger Benson

Creative Commons license: CC BY (attribution)

Taxonomic list

Osteichthyes
 Osteichthyes -
Osteichthyes indet.3 Huxley 1880 bony fish
Reptilia
 Diapsida - Tanystropheidae
Dinocephalosaurus orientalis n. gen. n. sp.1 Li 2003 archosauromorph
IVPP V13767 (holotype), skull and lower jaw with anterior cervical vertebrae; IVPP V13898, nearly complete skeleton
 Pseudosuchia -
Qianosuchus mixtus n. gen. n. sp.
Qianosuchus mixtus n. gen. n. sp. Li et al. 2006 archosaur
IVPP V13899 (holotype), complete skeleton; IVPP V14300 (paratype), incomplete skeleton; NMNS 000408/F003877, incomplete skull
 Diapsida - Saurosphargidae
Largocephalosaurus qianensis n. sp.2 Li et al. 2013 diapsid
IVPP V 15638 (holotype), a nearly complete skeleton in ventral view, with posterior-most section of the tail missing; GMPKU-P-1532-A, a skull with a cervical vertebra in dorsal view. GMPKU-P-1532-B, an incomplete postcranial skeleton in dorsal view, with the posterior portion of the mandible but missing most of the tail; all are from "Xinmin District, Panxian County, southwest-most Guizhou Province, P. R. China; Member II of the Guanling Formation, Anisian, Middle Triassic"
 Ichthyosauria -
Osteichthyes
 Panxianichthyiformes - Panxianichthyidae
Panxianichthys imparilis n. gen. n. sp.5
Panxianichthys imparilis n. gen. n. sp.5 Xu and Shen 2015 ray-finned fish
IVPP V 19971, 19972
Actinopteri
 Perleidiformes - Colobodontidae
Feroxichthys panzhouensis n. sp.4 Ma et al. 2021
IVPP V16520