Dinosaur natural track casts from the Lower Cretaceous Hekou Group in the Lanzhou-Minhe Basin, Gansu, Northwest China: Ichnology, track formation, and distribution

Xing, Lida; Li, Daqing; Lockley, Martin G.; Marty, Daniel; Zhang, Jianping; Persons, W. Scott; You, Han; Peng, Cuo; Kümmell, Susanna B.

doi:10.1016/j.cretres.2014.10.001

Cited by 30 publications

(19 citation statements)

References 30 publications

(31 reference statements)

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“…1, Table 1). In addition, the same track types are also known from the Tuchengzi Formation of Yanqing, Beijing and the Hekou Group of Gansu (Xing et al, 2014b). , Wang et al (2013a discovered the Beilin tracksite in Tancheng County, Shandong, which is dominated by small sauropod tracks.…”

Section: Introductionmentioning

confidence: 93%

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Late Jurassic–Early Cretaceous trackways of small-sized sauropods from China: New discoveries, ichnotaxonomy and sauropod manus morphology

Xing

Lockley

Bonnan

et al. 2015

Cretaceous Research

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Section: Introductionmentioning

confidence: 93%

“…In 2013, the first author investigated the tracksite, which contains sauropod and theropod trackways (Xing et al, 2014b). The sauropod tracks are small (29.5e33.7 cm) and large-sized (to 106.0 cm), but there are only two small sauropod tracks at the Zhongpu tracksite.…”

Section: ) Zhongpu Tracksite Gansumentioning

confidence: 99%

Late Jurassic–Early Cretaceous trackways of small-sized sauropods from China: New discoveries, ichnotaxonomy and sauropod manus morphology

Xing

Lockley

Bonnan

et al. 2015

Cretaceous Research

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“…II, Gansu Province; D, Caririchnium type from Hekou group, Yanguoxia tracksite No. I [ 58 ]; E, Caririchnium from Hekou group, SS1 site, Gansu Province [ 59 ]; F, Caririchnium from Jiaguan Formation, Longjing tracksite, Sichuan Province [ 76 ]; G and H, Caririchnium from Feitianshan Formation, Zhaojue tracksites, Sichuan Province [ 8 ]; I and J, this text. Scale bar = 10 cm.…”

Section: Ornithopod Tracksmentioning

confidence: 99%

“…Caririchnium type tracks from the Early Cretaceous Hekou group, Yanguoxia tracksites, Gansu Province [ 58 – 59 ]. At the Yanguoxia tracksites, ornithopod tracks are preserved as in situ trackways and as natural casts.…”

Section: Ornithopod Tracksmentioning

confidence: 99%

An Ornithopod-Dominated Tracksite from the Lower Cretaceous Jiaguan Formation (Barremian–Albian) of Qijiang, South-Central China: New Discoveries, Ichnotaxonomy, Preservation and Palaeoecology

et al. 2015

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The historically-famous Lotus Fortress site, a deep 1.5–3.0-meter-high, 200-meter-long horizonal notch high up in near-vertical sandstone cliffs comprising the Cretaceous Jiaguan Formation, has been known since the 13th Century as an impregnable defensive position. The site is also extraordinary for having multiple tetrapod track-bearing levels, of which the lower two form the floor of part of the notch, and yield very well preserved asseamblages of ornithopod, bird (avian theropod) and pterosaur tracks. Trackway counts indicate that ornithopods dominate (69%) accounting for at least 165 trackmakers, followed by bird (18%), sauropod (10%), and pterosaur (3%). Previous studies designated Lotus Fortress as the type locality of Caririchnium lotus and Wupus agilis both of which are recognized here as valid ichnotaxa. On the basis of multiple parallel trackways both are interpreted as representing the trackways of gregarious species. C. lotus is redescribed here in detail and interpreted to indicate two age cohorts representing subadults that were sometimes bipedal and larger quadrupedal adults. Two other previously described dinosaurian ichnospecies, are here reinterpreted as underprints and considered nomina dubia. Like a growing number of significant tetrapod tracksites in China the Lotus Fortress site reveals new information about the composition of tetrapod faunas from formations in which the skeletal record is sparse. In particular, the site shows the relatively high abundance of Caririchium in a region where saurischian ichnofaunas are often dominant. It is also the only site known to have yielded Wupus agilis. In combination with information from other tracksites from the Jiaguan formation and other Cretaceous formations in the region, the track record is proving increasingly impotant as a major source of information on the vertebrate faunas of the region. The Lotus Fortress site has been developed as a spectacular, geologically-, paleontologically- and a culturally-significant destination within Qijiang National Geological Park.

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“…This type of middle-sized sauropod tracks with strongly outward rotated manus tracks might have had a wider distribution in China. They are known for example from Malingshan, Jiangsu Province [ 61 ], Linshu, Shandong Province [ 70 ], Zhucheng [ 69 ], Zhongpu, Gansu [ 71 ] and Litan, Yanguoxia area, Gansu [ 72 ]. However, these tracksites are all from the Early Cretaceous, and the Qianjiadian Morphotype B is the stratigraphically oldest occurrence.…”

Section: Qijiadian Tracksites Yanqing Countymentioning

confidence: 99%

Hints of the Early Jehol Biota: Important Dinosaur Footprint Assemblages from the Jurassic-Cretaceous Boundary Tuchengzi Formation in Beijing, China

et al. 2015

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New reports of dinosaur tracksites in the Tuchengzi Formation in the newly established Yanqing Global Geopark, Beijing, China, support previous inferences that the track assemblages from this formation are saurischian-dominated. More specifically, the assemblages appear theropod-dominated, with the majority of well-preserved tracks conforming to the Grallator type (sensus lato), thus representing relatively small trackmakers. Such ichnofaunas supplement the skeletal record from this unit that lacks theropods thus far, proving a larger diversity of dinosaur faunas in that region. Sauropods are represented by medium to large sized and narrow and wide-gauge groups, respectively. The latter correspond with earlier discoveries of titanosauriform skeletons in the same unit. Previous records of ornithischian tracks cannot be positively confirmed. Purported occurrences are re-evaluated here, the trackways and imprints, except of a single possible specimen, re-assigned to theropods. Palecologically the Tuchengzi ichnofauna is characteristic of semi-arid fluvio-lacustrine inland basins with Upper Jurassic-Lower Cretaceous deposits in northern China that all show assemblages with abundant theropod and sauropod tracks and minor components of ornithopod, pterosaur and bird tracks.

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Dinosaur natural track casts from the Lower Cretaceous Hekou Group in the Lanzhou-Minhe Basin, Gansu, Northwest China: Ichnology, track formation, and distribution

Cited by 30 publications

References 30 publications

Late Jurassic–Early Cretaceous trackways of small-sized sauropods from China: New discoveries, ichnotaxonomy and sauropod manus morphology

Late Jurassic–Early Cretaceous trackways of small-sized sauropods from China: New discoveries, ichnotaxonomy and sauropod manus morphology

An Ornithopod-Dominated Tracksite from the Lower Cretaceous Jiaguan Formation (Barremian–Albian) of Qijiang, South-Central China: New Discoveries, Ichnotaxonomy, Preservation and Palaeoecology

Hints of the Early Jehol Biota: Important Dinosaur Footprint Assemblages from the Jurassic-Cretaceous Boundary Tuchengzi Formation in Beijing, China

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