Dawangzhangzi: Late/Upper Barremian - Early/Lower Aptian, China

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Multituberculata - Eobaataridae
Sinobaatar lingyuanensis n. gen., n. sp. Hu and Wang 2002
Hu and Wang 2002 1 individual
IVPP V12517 (holotype)
Mammalia - Spalacotheriidae
Akidolestes cifelli n. gen., n. sp. Li and Luo 2006
Li and Luo 2006
Mammalia
Eomaia scansoria n. gen., n. sp. Ji et al. 2002
Sinodelphys szalayi n. gen., n. sp. Luo et al. 2003
Luo et al. 2003
Mammalia - Groeberida - Nototheriidae
Chaoyangodens lii n. gen., n. sp. Hou and Meng 2014
Hou and Meng 2014 1 specimen
A skeleton preserved in a laminated siltstone that is split into two slabs (JZT005-2010, Ji-Zan-Tang Paleontological Museum, Chaoyang, Liaoning)
Reptilia
Yabeinosaurus tenuis Endo and Shikama 1942
Evans et al. 2005 1 individual
IVPP V13284 (small, immature skeleton)
    = Yabeinosaurus robustus Dong et al. 2017
Dong et al. 2017
Dalinghosaurus longidigitus Ji 1998
Ji and Ji 2004 2 individuals
IG-02-7-16-2 (postcranial skeleton) and IVPP V13865 (skull & skeleton with integument)
Reptilia - Dromaeosauridae
Tianyuraptor ostromi n. gen., n. sp. Zheng et al. 2009
Zheng et al. 2009 1 individual
STM1-3
Reptilia
Eogranivora edentulata n. gen., n. sp. Zheng et al. 2018
Zheng et al. 2018
STM 35-3 - holotype; previously referred to Hongshanornis longicresta by Zheng et al. (2011)
Reptilia - Hongshanornithidae
Longicrusavis houi n. gen., n. sp. O'Connor et al. 2010
O'Connor et al. 2010
Hongshanornis longicresta Zhou and Zhang 2005
Chiappe et al. 2014 1 individual
DNHM D2945/6
Reptilia
Euenantiornithes indet. Chiappe 2002
Chiappe et al. 2007 1 specimen
GMV-2159
Grabauornis lingyuanensis n. gen., n. sp. Dalsatt et al. 2014
Dalsatt et al. 2014 1 individual
V14595, complete skeleton
Liaoxiornis delicatus n. gen., n. sp. Hou and Chen 1999
Chiappe et al. 2007 1 specimen
nomen dubium belonging to Euenantiornithes
NIGP-130723
Lingyuanornis parvus n. gen., n. sp. Ji and Ji 1999
Chiappe et al. 2007 1 individual
nomen dubium belonging to Euenantiornithes
GMV-2156
Dalingheornis liweii n. gen., n. sp. Zhang et al. 2006
Zhang et al. 2006 1 individual
CNU VB2005001
Reptilia - Scansoriopterygidae
Scansoriopteryx heilmanni n. gen., n. sp. Czerkas and Yuan 2002
Czerkas and Yuan 2002 1 individual
CAGS02-IG-gausa-1/DM 607
Reptilia
Sinosauropteryx sp. Ji and Ji 1996
Lingham-Soliar et al. 2007 3 specimens
IVPP V12415, 14202, D2141 (4 measurements)
Monjurosuchus splendens Endo 1940
Gao and Li 2007
see common names

Geography
Country:China State/province:Liaoning County:Lingyuan
Coordinates: 41.4° North, 121.4° East (view map)
Paleocoordinates:44.1° North, 123.3° East
Basis of coordinate:based on political unit
Geographic resolution:outcrop
Time
Period:Cretaceous Epoch:Early/Lower Cretaceous
*Period:Early/Lower Cretaceous - Middle Cretaceous *Epoch:Middle Barremian
Key time interval:Late/Upper Barremian - Early/Lower Aptian
Age range of interval:130.00000 - 122.46000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Geological group:Jehol Formation:Yixian Member:Dawangzhangzi
Stratigraphy comments: thought to be Barremian by Li and Luo 2006 based on Yixian Formation radioisotopic dates. From the Dawangzhangzhi Beds
Lithology and environment
Primary lithology:gray lithified silty "shale"
Lithology description: "light-grey tuffaceous shales" (O'Connor et al. 2010)
Environment:lacustrine indet.
Taphonomy
Modes of preservation:body,adpression,soft parts,original carbon
Size of fossils:macrofossils
Articulated whole bodies:some
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:surface (in situ),field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:13937
Authorizer:W. Clyde, R. Benson, P. Mannion, P. Barrett, J. Alroy, M. Carrano Enterer:J. Finarelli, J. Alroy, J. Tennant, M. Carrano, R. Benson, P. Mannion, T. Cleary
Modifier:M. Carrano Research group:vertebrate
Created:2002-05-03 10:17:01 Last modified:2023-04-28 10:57:27
Access level:the public Released:2002-05-03 10:17:01
Creative Commons license:CC BY
Reference information

Primary reference:

6171. Q. Ji, Z.-X. Luo, C.-X. Yuan, J. R. Wible, J.-P. Zhang and J. A. Georgi. 2002. The earliest known eutherian mammal. Nature 416:816-822 [W. Clyde/J. Finarelli/O. Alfaro]

Secondary references:

49682 L. M. Chiappe, Z. Bo, J. K. O'Connor, G. Chunling, W. Xuri, M. Habib, J. Marugan-Lobon, M. Qingjin, and C. Xiaodong. 2014. A new specimen of the Early Cretaceous bird Hongshanornis longicresta: insights into the aerodynamics and diet of a basal ornithuromorph. PeerJ 2(e234) [P. Mannion/J. Tennant]
26762ETE L. M. Chiappe, S. Ji, and Q. Ji. 2007. Juvenile birds from the Early Cretaceous of China: implications for enantiornithine phylogeny. American Museum Novitates 3594:1-46 [M. Carrano/M. Carrano]
31891ETE S. A. Czerkas and C. Yuan. 2002. An arboreal maniraptoran from northeastern China. In S. J. Czerkas (ed.), Feathered Dinosaurs and the Origin of Flight. The Dinosaur Museum Journal 1. The Dinosaur Museum, Blanding, UT 63-95 [M. Carrano/M. Carrano/M. Carrano]
52455 J. Dalsatt, P. G. P. Ericson, and Z. Zhou. 2014. A new Enantiornithes from the Early Cretaceous of China. Acta Geologica Sinica 88(4):1034-1040 [P. Mannion/J. Tennant]
61334 L. Dong, Y. Wang, and S. E. Evans. 2017. A new lizard (Reptilia: Squamata) from the Lower Cretaceous Yixian Formation of China, with a taxonomic revision of Yabeinosaurus. Cretaceous Research [P. Barrett/T. Cleary]
37751 S. E. Evans and Y. Wang. 2005. The Early Cretaceous lizard Dalinghosaurus from China. Acta Palaeontologica Polonica 50(4):725-742 [R. Benson/R. Benson]
38069 S. E. Evans, Y. Wang, and C. Li. 2005. The Early Cretaceous lizard genus Yabeinosaurus from China: resolving an enigma. Journal of Systematic Palaeontology 3(4):319-335 [R. Benson/R. Benson/R. Benson]
24703ETE K.-Q. Gao and Q. Li. 2007. Osteology of Monjurosuchus splendens (Diapsida: Choristodera) based on a new specimen from the Lower Cretaceous of western Liaoning, China. Cretaceous Research 28:261-271 [M. Carrano/M. Carrano]
50355 S. Hou and J. Meng. 2014. A new eutriconodont mammal from the early Cretaceous Jehol Biota of Liaoning, China. Chinese Science Bulletin 59(5-6):546-553 [R. Benson/R. Benson/M. Carrano]
32667ETE Y. Hu and Y. Wang. 2002. Sinobaatar gen. nov.: first multituberculate mammal from the Jehol Biota of Liaoning, northeast China. Chinese Science Bulletin 47(11):933-938 [M. Carrano/M. Carrano]
37783 S. -A. Ji and Q. Ji. 2004. Postcranial anatomy of the Mesozoic Dalinghosaurus (Squamata): evidence from a new specimen of Western Liaoning. Acta Geologica Sinica 78(4):897-906 [R. Benson/R. Benson]
28794 G. Li and Z.-X. Luo. 2006. A Cretaceous symmetrodont therian with some monotreme-like postcranial features. Nature 439:195-200 [J. Alroy/J. Alroy]
52405 Q. Li, J. A. Clarke, K.-Q. Gao, C.-F. Zhou, Q. Meng, D. Li, L. D'Alba and M. D. Shawkey. 2014. Melanosome evolution indicates a key physiological shift within feathered dinosaurs. Nature 507:350-353 [M. Carrano/M. Carrano]
24498ETE T. Lingham-Soliar, A. Feduccia, and X. Wang. 2007. A new Chinese specimen indicates that 'protofeathers' in the Early Cretaceous theropod dinosaur Sinosauropteryx are degraded collagen fibres. Proceedings of the Royal Society of London B [M. Carrano/M. Carrano]
19471 Z.-X. Luo, Q. Ji, J. R. Wible and C.-X. Yuan. 2003. An Early Cretaceous tribosphenic mammal and metatherian evolution. Science 302:1934-1939 [J. Alroy/J. Alroy]
32618 J. K. O'Connor, K.-Q. Gao, and L. M. Chiappe. 2010. A new ornithuromorph (Aves: Ornithothoraces) bird from the Jehol Group indicative of higher-level diversity. Journal of Vertebrate Paleontology 30(2):311-321 [J. Alroy/J. Alroy]
28194ETE Z. Zhang, L. Hou, Y. Hasegawa, J. O'Connor, L. D. Martin and L. M. Chiappe. 2006. The first Mesozoic heterodactyl bird from China. Acta Geologica Sinica 80(5):631-635 [M. Carrano/M. Carrano]
65800 X. Zheng, J. K. O'Connor, X. Wang, Y. Wang, and Z. Zhou. 2018. Reinterpretation of a previously described Jehol bird clarifies early trophic evolution in the Ornithuromorpha. Proceedings of the Royal Society of London B 285:20172494:1-10 [P. Mannion/P. Mannion]
30568ETE X. Zheng, X. Xu, H. You, Q. Zhao, and Z. Song. 2009. A short-armed dromaeosaurid from the Jehol Group of China with implications for early dromaeosaurid evolution. Proceedings of the Royal Society B: Biological Sciences [M. Carrano/M. Carrano]