Two new dinosaur tracksites from the Lower Cretaceous Jiaguan Formation of Sichuan Basin, China: specific preservation and ichnotaxonomy

References

• Belvedere M, Farlow JO. 2016. A numerical scale for quantifying the quality of preservation of vertebrate tracks. In: Falkingham PL, Marty D, Richter A, editors. Dinosaur tracks, the next steps. Bloomington: Indiana University Press; p. 92–99.
   Google Scholar
• Chen HX. 2009. Research of paleoenvironment and paleoclimate of cretaceous in Ya’an area of Western Sichuan Basin [Master Thesis]. China: Chengdu University of Technology. 86pp.
   Google Scholar
• Dai J. 2016. Giant coal-derived gas fields and their gas sources in China. Beijing: Science Press. 592pp.
   Google Scholar
• Dai H, Xing LD, Marty D, Zhang JP, Persons WSIV, Hu HQ, Wang FP. 2015. Microbially–induced sedimentary wrinkle structures and possible impact of microbial mats for the enhanced preservation of dinosaur tracks from the Lower Cretaceous Jiaguan Formation near Qijiang (Chongqing, China). Cretaceous Res. 53:98–109.10.1016/j.cretres.2014.10.012
   Web of Science ®Google Scholar
• Farlow JO, Pittman JG, Hawthorne JM. 1989. Brontopodus birdi. Lower Cretaceous sauropod footprints from the US Gulf coastal plain. In: Gillette DD, Lockley MG, editors. Dinosaur Tracks and Traces. Cambridge: Cambridge University Press; p. 371–394.
   Google Scholar
• Gu XD, Liu XH. 1997. Stratigraphy (Lithostratic) of Sichuan Province. Wuhan: China University of Geosciences Press, 417p.
   Google Scholar
• Han ZJ, He YL, An YF, Li CY. 2009. A new seismotectonic belt: features of the latest structural deformation style in the Mabian Seismotectonic zone. Acta Geol Sin. 83(2):218–229.
   Google Scholar
• Hu B, Wu XT, Pan LM. 1991. Ichnocoenoses of the Late Paleozoic and Mesozoic fluvial deposits of Emei Area, Western Sichuan, China. Acta Sedimentol Sin. 9:128–135.
   Google Scholar
• Lockley MG. 2009. New perspectives on morphological variation in tridactyl footprints: clues to widespread convergence in developmental dynamica. Geol Q. 53:415–432.
   Web of Science ®Google Scholar
• Lockley MG, Matsukawa M, Obata I. 1989. Dinosaur tracks and radial cracks: unusual footprint features. Bull Nat Sci Museum ser C. 15:151–160.
   Google Scholar
• Lockley MG, Meyer CA, Moratalla JJ. 1998a. Therangospodus: trackway evidence for the widespread distribution of a Late Jurassic theropod dinosaur with well-padded feet. Gaia. 15:339–353.
   Google Scholar
• Lockley MG, Meyer CA, dos Santos VF. 1998b. Megalosauripus and the problematic concept of megalosaur footprints. Gaia. 15:313–337.
   Google Scholar
• Lockley MG, Wright J, White D, Li JJ, Feng L, Li H. 2002. The first sauropod trackways from China. Cretaceous Res. 23:363–381.10.1006/cres.2002.1005
   Web of Science ®Google Scholar
• Lockley MG, Li J, Li RH, Matsukawa M, Harris JD, Xing L. 2013. A review of the tetrapod track record in China, with special reference to type ichnospecies: implications for ichnotaxonomy and paleobiology. Acta Geol Sin. 87:1–20.10.1111/acgs.2013.87.issue-1
   Web of Science ®Google Scholar
• Lockley MG, Xing LD, Lockwood JAF, Pond S. 2014. A review of large Cretaceous ornithopod tracks, with special reference to their ichnotaxonomy. Biol J Linn Soc. 113:721–736.10.1111/bij.2014.113.issue-3
   Web of Science ®Google Scholar
• Olsen PE, Smith JB, McDonald NC. 1998. Type material of the type species of the classic theropod footprint genera Eubrontes, Anchisauripus , and Grallator (Early Jurassic, Hartford and Deerfield basins, Connecticut and Massachusetts, U.S.A.). J Vert Paleontol. 18(3):586–601.10.1080/02724634.1998.10011086
   Web of Science ®Google Scholar
• Romilio A, Salisbury SW. 2014. Large dinosaurian tracks from the Upper Cretaceous (Cenomanian-Turonian) portion of the Winton Formation, Lark Quarry, central-western Queensland, Australia: 3D photogrammetric analysis renders the ‘stampede trigger’ scenario unlikely. Cretaceous Res. 51:186–207.10.1016/j.cretres.2014.06.003
   Web of Science ®Google Scholar
• Sichuan Provincial Bureau of Geology aviation regional Geological Survey team. 1976. Geological Map of the People’s Republic of China, Xuyong Map SheetSheet(H–48–XXXIV), p. 200000.
   Google Scholar
• Wang QW, Liang B, Kan ZZ, Li K, Zhu B, Ji XT. 2008. Paleoenvironmental reconstruction of mesozoic dinosaurs fauna in Sichuan basin. Beijing: Geological University Press, 197p.
   Google Scholar
• Xing LD, Lockley MG. 2014. First report of small ornithopodichnus trackways from the Lower Cretaceous of Sichuan. China Ichnos. 21:213–222.10.1080/10420940.2014.951998
   Web of Science ®Google Scholar
• Xing LD, Lockley MG. 2016. Early Cretaceous dinosaur and other tetrapod tracks of Southwestern China. Sci Bull. 61:1044–1051.10.1007/s11434-016-1093-z
   Web of Science ®Google Scholar
• Xing LD, Wang FP, Pan SG, Chen W. 2007. The Discovery of Dinosaur Footprints from the Middle Cretaceous Jiaguan Formation of Qijiang County, Chongqing City. Acta Geol Sin (Chinese edition). 81:1591–1602.
   Google Scholar
• Xing LD, Mayor A, Chen Y, Harris JD, Burns ME. 2011. The Folklore of Dinosaur Trackways in China: impact on paleontology. Ichnos. 18:213–220.10.1080/10420940.2011.634038
   Web of Science ®Google Scholar
• Xing LD, Lockley MG, Marty D, Klein H, Buckley LG, McCrea RT, Zhang JP, Gierliński GD, Divay JD, Wu QZ. 2013. Diverse dinosaur ichnoassemblages from the Lower Cretaceous Dasheng Group in the Yishu fault zone, Shandong Province, China. Cretaceous Res. 45:114–134.10.1016/j.cretres.2013.07.009
   Web of Science ®Google Scholar
• Xing LD, Lockley MG, Klein H, Gierliński GD, Divay JD, Hu SM, Zhang JP, Ye Y, He YP. 2014. The non-avian theropod track Jialingpus from the Cretaceous of the Ordos Basin, China, with a revision of the type material: implications for ichnotaxonomy and trackmaker morphology. Palaeoworld. 23:187–199.10.1016/j.palwor.2013.12.001
   Web of Science ®Google Scholar
• Xing LD, Zhang JP, Klein H, Mayor A, Chen Y, Dai H, Burns ME, Gao JM, Tang YG, Dong SR. 2015a. Dinosaur tracks, myths and buildings: the Jin Ji (Golden Chicken) stones from Zizhou area, Northern Shaanxi. China Ichnos. 22:227–234.10.1080/10420940.2015.1059334
   Web of Science ®Google Scholar
• Xing LD, Lockley MG, Marty D, Zhang JP, Wang Y, Klein H, McCrea RT, Buckley LG, Belvedere M, Mateus O, et al. 2015b. An ornithopod-dominated tracksite from the Lower Cretaceous Jiaguan formation (Barremian–Albian) of Qijiang, South-Central China: new discoveries, ichnotaxonomy, preservation and palaeoecology. Plos One. 10:e0141059.10.1371/journal.pone.0141059
   PubMed Web of Science ®Google Scholar
• Xing LD, Li DQ, Lockley MG, Marty D, Zhang JP, Persons WSIV, You HL, Peng C, Kümmell SB. 2015c. Dinosaur natural track casts from the Lower Cretaceous Hekou Group in the Lanzhou-Minhe Basin, Gansu, Northwest China: Ichnology, track formation, and distribution. Cretaceous Res. 52:194–205.10.1016/j.cretres.2014.10.001
   Web of Science ®Google Scholar
• Xing LD, Lockley MG, Zhang JP, Klein H, Marty D, Peng GZ, Ye Y, McCrea RT, Persons WSIV, Xu T. 2015d. The longest theropod trackway from East Asia, and a diverse sauropod–, theropod–, and ornithopod–track assemblage from the Lower Cretaceous Jiaguan Formation, southwest China. Cretaceous Research. 56:345–362.10.1016/j.cretres.2015.05.008
   Web of Science ®Google Scholar
• Xing LD, Lockley MG, Zhang JP. 2016a. Early Cretaceous dinosaur and other tetrapod tracks of southwestern China. Ningbo: Ningbo Publishing House; p. 1–408.
   Google Scholar
• Xing LD, Lockley MG, Marty D, Klein H, Yang G, Zhang JP, Peng GZ, Ye Y, Persons WSIV, Yin XY, Xu T. 2016b. A diverse saurischian (theropodesauropod) dominated footprint assemblage from the Lower Cretaceous Jiaguan Formation in the Sichuan Basin, southwestern China: A new ornithischian ichnotaxon, pterosaur tracks and an unusual sauropod walking pattern. Cretaceous Rese. 60:176–193.10.1016/j.cretres.2015.12.005
   Web of Science ®Google Scholar
• Young CC. 1960. Fossil footprints in China.Vertebrata PalAsiatica. 4:53–67.
   Google Scholar