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Temporal range: Middle Jurassic
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Clade: Saurischia
Suborder: Sauropodomorpha
Clade: Sauropoda
Family: Mamenchisauridae
Genus: Anhuilong
Ren et al., 2018
Type species
Anhuilong diboensis
Ren et al, 2018

Anhuilong is a genus of mamenchisaurid dinosaur found in the Anhui province of China. It contains a single species, Anhuilong diboensis. Ren et al. (2018) recover Anhuilong as the sister taxon of Huangshanlong, with the closest relative to this clade being Omeisaurus tianfuensis.[1]

Discovery and naming[edit]

Anhuilong is known from the holotype AGB 5822, a forelimb consisting of a left humerus, ulna, and radius. It is distinguished by the following combination of features: low ratios of the average of the greatest widths of the proximal end, mid-shaft and distal end of the humerus/length of the humerus, total length of ulna to humerus and total length of radius to humerus; the lateral edge of the deltopectoral crest directs caudolaterally, the lateral accessory condyle on the craniodistal edge of humerus is more robust than the medial one, and the cross-sectional shape of the ulna at mid-shaft is elliptical with highest ratio of transverse to craniocaudal diameter among mamenchisaurids.[1]

See also[edit]


  1. ^ a b Xin-Xin Ren; Jian-Dong Huang; Hai-Lu You (2018). "The second mamenchisaurid dinosaur from the Middle Jurassic of Eastern China". Historical Biology: An International Journal of Paleobiology. in press. doi:10.1080/08912963.2018.1515935.