PBDB Collection

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, Jonathan Tennant, Emma Dunne and Graham Slater

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

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
Reptilia
Squamata -	Yabeinosaurus robustus¹ Yabeinosaurus robustus¹ Dong et al. 2017 squamates IVPP V 16361 and 16362 (two complete skeletons)
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 - Trionychidae	Perochelys lamadongensis n. gen. n. sp.⁴ Perochelys lamadongensis n. gen. n. sp.⁴ Li et al. 2015 softshell turtle IVPP V 18048 - holotype (a nearly complete skeleton)
Aves
Enantiornithes -	Brevirostruavis macrohyoideus n. gen. n. sp.⁵, Fortunguavis xiaotaizicus n. gen. n. sp.⁷ Brevirostruavis macrohyoideus n. gen. n. sp.⁵ Li et al. 2021 bird Holotype: V13266 is a nearly complete skeleton preserved on a single slab (missing part of the humerus and the pelvic elements), with associated traces of preserved integument around the body Fortunguavis xiaotaizicus n. gen. n. sp.⁷ Wang et al. 2014 bird A nearly complete and articulated skeleton with feathers preserved on a slab, IVPP V18631
Ornithothoraces -	Piscivoravis lii n. gen. n. sp.⁸ Piscivoravis lii n. gen. n. sp.⁸ Zhou et al. 2013 bird IVPP V17078
Pygostylia - Jinguofortisidae	Cratonavis zhui n. gen. n. sp.⁶ Cratonavis zhui n. gen. n. sp.⁶ Li et al. 2023 bird
Reptilia
Pterosauria - Ctenochasmatidae	Forfexopterus jeholensis n. gen. n. sp.³ Forfexopterus jeholensis n. gen. n. sp.³ Jiang et al. 2016 ctenochasmatid HM V20
Actinopteri
Leptolepidiformes - Leptolepididae	Lycoptera indet.² Lycoptera indet.² Müller 1847 IVPP V17078, near-complete sub-adult skeleton

¹Dong et al. 2017; ²Evans and Wang 2012; ³Jiang et al. 2016; ⁴Li et al. 2015; ⁵Li et al. 2021; ⁶Li et al. 2023; ⁷Wang et al. 2014; ⁸Zhou et al. 2013