Jianchang (Cretaceous of China)

Where: Liaoning, China (40.8° N, 119.8° E: paleocoordinates 44.0° N, 120.0° E)

• coordinate estimated from map

When: Jiufotang Formation (Jehol Group), Aptian (125.0 - 113.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine; sandstone and mudstone

• The Jiufotang Formation mainly comprises lacustrine

•sandstones, shales, mudstones, and tuffs interbedded within

•the sediments.

Size classes: macrofossils, mesofossils

Preservation: soft parts

Reposited in the IVPP

Primary reference: S. E. Evans and Y. Wang. 2011. A gravid lizard from the Cretaceous of China and the early history of squamate viviparity. Naturwissenschaften 98:739-743 [R. Benson/R. Benson/R. Benson]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 118207: authorized by Roger Benson, entered by Roger Benson on 08.10.2011, edited by Matthew Carrano, Jonathan Tennant, Richard Butler and Terri Cleary

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Theropoda - Dromaeosauridae
Microraptor zhaoianus4 Xu et al. 2000 maniraptoran
STM5-32 [same no. as the lizard Indrasaurus that it ate], nearly complete and fully articulated specimen
Aves
 Enantiornithes -
Enantiornithes indet.6 bird
VB-1001, a near-complete articulated skeleton of a subadult individual
 Ornithothoraces -
Jianchangornis microdonta n. gen. n. sp.7 Zhou et al. 2009 bird
IVPP V16708 (holotype)
Archaeorhynchus spathula10 Zhou and Zhang 2006 bird
IVPP V17075 and V17091 (skeletons)
 Ornithurae -
Ornithurae indet.2 bird
CUGB G20100053
 Ornithothoraces -
Zhongjianornis yangi n. gen. n. sp.8, Schizooura lii n. gen. n. sp.9
Zhongjianornis yangi n. gen. n. sp.8 Zhou et al. 2010 bird
IVPP V15900, articulated skeleton
Schizooura lii n. gen. n. sp.9 Zhou et al. 2012 bird
IVPP V16861 (holotype skeleton)
  -
Jeholornis palmapenis n. sp.3 O'Connor et al. 2012 bird
(SDM 20090109.1; SDM 20090109.2
Reptilia
 Pterosauria -
Pterosauria indet. Kaup 1834 pterosaur
Linlongopterus jennyae n. gen. n. sp.5 Rodrigues et al. 2015 pterosaur
IVPP V15549, partial associated skull and mandible
 Squamata -
Indrasaurus wangi n. gen. n. sp.4 O'Connor et al. 2019 squamates
STM5-32 [same no. as the Microraptor that ate it], partial articulated skeleton in the stomach of a Microraptor zhaoianus specimen
Yabeinosaurus robustus1 Dong et al. 2017 squamates
IVPP V18005 (gravid female)
Actinopteri
 Leptolepidiformes - Leptolepididae
Lycoptera sp. Müller 1847