Panguraptor

Panguraptor; Temporal range: Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Dinosauria
Clade:	Saurischia
Clade:	Theropoda
Family:	†Coelophysidae
Genus:	†Panguraptor; You et al., 2014
Type species
	Panguraptor lufengensis; You et al., 2014

Panguraptor ("

sauropodomorph fossils. It was described in 2014 by You Hai-Lu and colleagues.^[1]

Description

The holotype of Panguraptor, LFGT-0103, is the partial articulated skeleton of a subadult individual, including the skull, lower jaws, presacral vertebrae, first sacral vertebra, parts of the

pelvic girdle, a left femur and most of the right limb. This specimen is likely a sub-adult due to its small size (approximately 2 meters long in life), large orbit, and unfused scapulocoracoids

and astragalocalcaneum. However, it may have been close to adulthood due to having other bones which have fused.

The rather short skull is almost complete, although the

Coelophysis ("Megapnosaurus") kayentakatae. The rostral end of the lower jaw is missing. Teeth are preserved in the dentary

and maxilla, and are slightly recurved yet unserrated.

The centra of the cervical vertebrae gradually increase in length from the third to seventh cervical, then decrease once more to the tenth (last) cervical. The dorsal vertebrae are more compressed than those of

Coelophysis bauri

and C. rhodesiensis, and their neural spines are longer than they are high and so close to each other that they form a continuous wall along the dorsal vertebral column.

The scapula is long, with a scapular blade with a straight caudal edge and concave cranial edge. The hand has four digits, with metacarpals I and II being the widest and metatarsals II and III being the longest. The first digit also has a flattened and recurved claw, the largest found in the holotype.

The right ilium, though incomplete, has a stout pubic peduncle a prominent supracetabular crest. Distal portions of both ischia are preserved, and are straight with broad ends.

The femur has a large and offset head and a longitudinal bulge on the caudolateral surface of the shaft. The tibia and fibula are straight while the astragalus and calcaneum are unfused. Only one tarsal is exposed (likely tarsal IV) along with right metatarsals III, IV, and V and a few pedal digits. Metatarsal III is very long while IV and V taper distally.

Panguraptor can be distinguished from other coelophysids by the following traits:

A diagonal ridge on the lateral surface of the maxilla, within the antorbital fossa.
An elliptical fenestra (also known in Zupaysaurus) caudodorsal to the above-mentioned ridge.
a distal tarsal IV with a hooked craniomedial corner.

Classification

You et al. performed a

"Megapnosaurus" kayetakatae until further analysis.^[1]

References

^
PMID 25544219
.

[You2014-1] 
PMID 25544219
.

[1]