PBDB Taxon

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Shenmuichnus wangi

Osteichthyes - Anomoepodidae

Taxonomy

Shenmuichnus wangi was named by Xing et al. (2016). It is considered to be a form taxon. Its type specimen is DLS1-RP1-RM1–DLS1-RP3-RM3, a footprint, and it is a trace fossil. Its type locality is Dalishu tracksite I, which is in a Sinemurian lacustrine sandstone in the Lufeng Formation of China.

Synonymy list

Year	Name and author
2016	Shenmuichnus wangi Xing et al. p. 723 fig. 3–7
2017	Shenmuichnus wangi Xing et al. p. 8
2023	Shenmuichnus wangi Abrahams et al. p. 9

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
class	Osteichthyes
subclass	Sarcopterygii	()
subclass	Dipnotetrapodomorpha	(Nelson 2006)
subclass	Tetrapodomorpha	()
—	Tetrapoda
—	Reptiliomorpha
—	Anthracosauria
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota
—	Sauropsida
class	Reptilia
subclass	Eureptilia	()

Rank	Name	Author
—	Romeriida
—	Diapsida	()
—	Archosauromorpha	(Huene 1946)
—	Crocopoda
—	Archosauriformes	Gauthier 1986
—	Eucrocopoda
—	Archosauria	()
informal	Avemetatarsalia
—	Ornithodira
—	Dinosauromorpha
—	Dinosauriformes
—	Dinosauria	()
—	Ornithischia	()
—	Genasauria
—	Cerapoda
—	Ornithopoda	()
family	Anomoepodidae
genus	Shenmuichnus
species	wangi

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.

†Shenmuichnus wangi Xing et al. 2016

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Diagnosis

Reference	Diagnosis
L. Xing et al. 2016	Narrow gauge trackways (WAP/ML 1⁄4 0.94) showing large heteropody (1:1.48). Pes tracks tridactyl, large (22–23 cm long and 20–24 cm wide), with robust digits and weak mesaxony. Divarication between digits II and IV ranging 67–73°. Manus tracks pentadactyl and symmetrical along digit III, wider than long, with a length/ width ratio of 0.6. Manus tracks aligned with antero-lateral margins of pes tracks formed by digits III and IV. Pes tracks rotated inward (22°), manus tracks rotated outward (35°), relative to trackway midline. Average pace angulation of manus tracks 92°, of pes tracks 125°. Short steps with pace length being 2.0–2.7 £ footprint length.

Measurements

No measurements are available

Composition:

hydroxyapatiteo

Entire body:

yeso

Adult length:

10 to < 100o

Adult width:

1.0 to < 10o

Adult height:

1.0 to < 10o

Architecture:

compact or denseo

Ontogeny:

accretion, modification of partso

Grouping:

gregariouso

Environment:

terrestrialo

Locomotion:

actively mobileo

Life habit:

ground dwellingo

Diet:

herbivoresubo

Reproduction:

oviparouso

Dispersal:

direct/internalo

Dispersal 2:

mobileo

Created:

2009-01-03 20:40:05

Modified:

2009-01-03 22:40:05

Source: subo = suborder, o = order

References: Marsh 1875, Kiessling 2004, Benton 1983

Age range: Sinemurian or 199.50000 to 192.90000 Ma

Collections: one only

Time interval	Ma	Country or state	Original ID and collection number
Sinemurian	199.5 - 192.9	China (Yunnan)	Shenmuichnus wangi (type locality: 220069)