Xiao-tai-zi, La-ma-dong, Jianchang (Cretaceous of China)

Also known as Xiaotaizi, Lamadong, Xidian, Lamatong

Where: Liaoning, China (40.7° N, 119.7° E: paleocoordinates 43.8° N, 120.0° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• Xidian Bed

• bed-level stratigraphic resolution

Environment/lithology: lacustrine; siltstone

• a skeleton preserved on one slab of laminated siltstone

Size class: macrofossils

Reposited in the IVPP

Primary reference: J. Meng, Y. Wang, and C. Li. 2011. Transitional mammalian middle ear from a new Cretaceous Jehol eutriconodont. Nature 472:181-185 [R. Benson/R. Benson]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 129475: authorized by Roger Benson, entered by Roger Benson on 23.06.2012, edited by Matthew Carrano and Jonathan Tennant

Creative Commons license: CC BY (attribution)

Taxonomic list

Actinopteri
 Leptolepidiformes - Leptolepididae
Lycoptera indet.2 Müller 1847
IVPP V17078, near-complete sub-adult skeleton
Reptilia
 Testudines - Sinemydidae
Liaochelys jianchangensis n. gen. n. sp.4
Liaochelys jianchangensis n. gen. n. sp.4 Zhou 2010 turtle
PMOL-AR00160 - holotype (nearly complete skeleton); referred specimen: PMOL-AR00140 (disarticulated skeleton)
 Testudines - Pantrionychidae
Perochelys lamadongensis n. gen. n. sp.4
Perochelys lamadongensis n. gen. n. sp.4 Li et al. 2015 turtle
IVPP V 18048 - holotype (a nearly complete skeleton)
Aves
 Ornithothoraces -
Piscivoravis lii n. gen. n. sp.6
Piscivoravis lii n. gen. n. sp.6 Zhou et al. 2013 bird
IVPP V17078
 Enantiornithes -
Fortunguavis xiaotaizicus n. gen. n. sp.5
Fortunguavis xiaotaizicus n. gen. n. sp.5 Wang et al. 2014 bird
A nearly complete and articulated skeleton with feathers preserved on a slab, IVPP V18631
Reptilia
 Pterosauria - Ctenochasmatidae
Forfexopterus jeholensis n. gen. n. sp.3
Forfexopterus jeholensis n. gen. n. sp.3 Jiang et al. 2016 ctenochasmatid
HM V20
 Squamata -
Yabeinosaurus robustus1 Dong et al. 2017 squamates
IVPP V 16361 and 16362 (two complete skeletons)
Mammalia
 Eutriconodonta -
Liaoconodon hui n. gen. n. sp.
Liaoconodon hui n. gen. n. sp. Meng et al. 2011 mammal
IVPP V16051, a skeleton preserved on one slab of laminated siltstone