South Majiashan quarry (Nanlinghu Fm) (Triassic of China)

Where: Anhui, China (31.6° N, 117.8° E: paleocoordinates 20.1° N, 99.8° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Subcolumbites ammonoid zone, Nanlinghu Formation, Spathian (251.3 - 247.2 Ma)

• Upper member, Middle Spathian Subcolumbites zone according to Motani et al. (2014)

• group of beds-level stratigraphic resolution

Environment/lithology: basinal (); lithified, gray, calcareous marl

• Light gray calcareous marls

Size class: macrofossils

Preservation: adpression

Collected in 2010-2012

• Repository: Geological Museum Peking University (GMPKU) and Anhui Geological Museum, Hefei (AGM)

Primary reference: Z. Y. Sun, A. Tintori, D. Y. Jiang and R. Motani. 2013. A new perleidid from the Spathian (Olenekian, Early Triassic) of Chaohu, Anhui Province, China. Rivista Italiana di Paleontologia e Stratigrafia 119:275-285 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 155584: authorized by Matthew Clapham, entered by Matthew Clapham on 18.04.2014, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

• Chaohusaurus and Chaohuperleidus collected together according to Sun et al. (2013)
Actinopteri
 Saurichthyiformes - Saurichthyidae
Saurichthys majiashanensis n. sp.4 Tintori et al. 2014
AGM I-2
 Perleidiformes - Perleididae
Chaohuperleidus primus n. gen. n. sp.
Chaohuperleidus primus n. gen. n. sp. Sun et al. 2013
GMPKU-P-1120, 1121, 3074, 3075, 3076, 3077
Reptilia
 Diapsida -
Cartorhynchus lenticarpus n. gen. n. sp.3, Sclerocormus parviceps n. gen. n. sp.1
Cartorhynchus lenticarpus n. gen. n. sp.3 Motani et al. 2015 diapsid
Anhui Geological Museum AGB6257; "second level"
Sclerocormus parviceps n. gen. n. sp.1 Jiang et al. 2016 diapsid
Anhui Geological Museum AGB6265; "first level"
 Ichthyosauria - Grippiidae
Chaohusaurus sp.2 Young and Dong 1972 ichthyosaur
AGM I-1, CHS-5, CH-628-22