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Yangtzepus yipingensis

Reptilia

Taxonomy
Yangtzepus yipingensis was named by Young (1960). It is considered to be a form taxon. Its type specimen is IVPP V2473, a footprint, and it is a trace fossil. Its type locality is Guanyingchong tracksite, which is in a Barremian/Albian terrestrial sandstone in the Jiaguan Formation of China. It is the type species of Yangtzepus.

Synonymy list
YearName and author
1960Yangtzepus yipingensis Young p. 62
1961Yangtzepus yipingensis Young p. 65
1963Yangtzepus yipingensis Kuhn p. 101
1971Yangtzepus yipingensis Haubold p. 89
1974Yangtzepus yipingensis Haubold p. 138
1984Yangtzepus yipingensis He p. 79
1989Yangtzepus yipingensis Zhen et al. p. 194
2008Yangtzepus yipingensis Xing et al. p. 1050
2009Yangtzepus yipingensis Xing et al. p. 832
2011Yangtzepus yipingensis Xing et al. p. 478
2013Yangtzepus yipingensis Lockley et al. p. 8
2015Yangtzepus yipingensis Díaz-Martínez et al. p. 18
2016Yangtzepus yipingensis Salisbury et al. p. 36
2019Yangtzepus yipinensis Xing et al. p. 523
2023Yangtzepus yipingensis Poropat et al. p. 177

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
RankNameAuthor
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Theropoda()
genusYangtzepus
speciesyipingensis

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

†Yangtzepus yipingensis Young 1960
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Diagnosis
ReferenceDiagnosis
S. Zhen et al. 1989Plantigrade tridactyl print with three closely spaced digits. The manus length is 14.1 cm and the width is 10.2 cm. The angle between digits II and III is 75°. The lateral digits of the manus distinctly converge. The pes length is 29.0 cm and the width is 15.5 cm. The angle between digits II and IV is 81°. Lateral pes digits rather long but of subequal length. Digit III well separated from the hallux. Pad number in II is two, in III and IV is three. Possible skin impressions present showing coarse granulations.