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Zhejiangosaurus - Wikipedia

From Wikipedia, the free encyclopedia

Zhejiangosaurus Temporal range: Late Cretaceous, 100.5–93.9 Ma PreꞒ Ꞓ O S D C P T J K Pg N

Zhejiangosaurus lishuiensis on display at the Zhejiang Museum of Natural History
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Dinosauria
Clade:	†Ornithischia
Clade:	†Thyreophora
Clade:	†Ankylosauria
Clade:	†Euankylosauria
Genus:	†Zhejiangosaurus Lü et al., 2007
Species:	†Z. lishuiensis
Binomial name
†Zhejiangosaurus lishuiensis Lü et al., 2007

Zhejiangosaurus (meaning "Zhejiang lizard") is an extinct genus of ankylosaurian dinosaur from the Upper Cretaceous (Cenomanian stage) of Zhejiang, eastern China. It was first named by a group of Chinese authors Lü Junchang, Jin Xingsheng, Sheng Yiming and Li Yihong in 2007 and the type species is Zhejiangosaurus lishuiensis ("from Lishui", where the fossil was found).^[1] It has no diagnostic features, and thus is a nomen dubium.^[2]

Description

Zhejiangosaurus could grow up to 4.5 m (17 ft) in length and was 1.4 metric tons in weigh.^[3]

Material

Material for Zhejiangosaurus consists of the holotype, ZNHM M8718, a partial skeleton which has preserved a sacrum with eight vertebrae, a complete right ilium and partial left ilium, a complete right pubis, the proximal end of the right ischium, two complete hindlimbs, fourteen caudal vertebrae, and some unidentified bones. These remains come from Liancheng, in the Chinese administrative unit of Lishui on the province of Zhejiang and they were collected from the Cenomanian-age Chaochuan Formation.^[1]

Systematics

On the species description, Lü et al. (2007) found Zhejiangosaurus to belong to the ankylosaurian family Nodosauridae.^[1]^[4]

Zhejiangosaurus in a cladogram after Pond et al. (2023):^[5]

	Polacanthus

	Niobrarasaurus

	Hylaeosaurus

	Gastonia

	Panoplosauridae

	Struthiosauridae

Borealopelta

Vectipelta

	Zhejiangosaurus

	Dongyangopelta

	Ankylosauridae

References

^ ^a ^b ^c Lü Junchang; JIN Xingsheng; SHENG Yiming; LI Yihong; WANG Guoping; Yoichi AZUMA (2007). "New nodosaurid dinosaur from the Late Cretaceous of Lishui, Zhejiang Province, China". Acta Geologica Sinica. 81 (3) (English ed.): 344–350. Bibcode:2007AcGlS..81..344L. doi:10.1111/j.1755-6724.2007.tb00958.x. S2CID 128548615.
^ Arbour, Victoria M.; Currie, Philip J. (2015). "Systematics, phylogeny and palaeobiogeography of the ankylosaurid dinosaurs". Journal of Systematic Palaeontology. 14 (5): 1. Bibcode:2016JSPal..14..385A. doi:10.1080/14772019.2015.1059985. S2CID 214625754.
^ Paul, Gregory S. (25 October 2016). The Princeton field guide to dinosaurs (2nd ed.). Princeton, N.J. p. 253. ISBN 978-1-4008-8314-1. OCLC 954055249.{{cite book}}: CS1 maint: location missing publisher (link)
^ Richard S. Thompson; Jolyon C. Parish; Susannah C. R. Maidment; Paul M. Barrett (2012) [Published online: 30 June 2011]. "Phylogeny of the ankylosaurian dinosaurs (Ornithischia: Thyreophora)". Journal of Systematic Palaeontology. 10 (2): 301–312. Bibcode:2012JSPal..10..301T. doi:10.1080/14772019.2011.569091. S2CID 86002282.
^ Pond, Stuart; Strachan, Sarah-Jane; Raven, Thomas J.; Simpson, Martin I.; Morgan, Kirsty; Maidment, Susannah C. R. (2023-01-01). "Vectipelta barretti, a new ankylosaurian dinosaur from the Lower Cretaceous Wessex Formation of the Isle of Wight, UK". Journal of Systematic Palaeontology. 21 (1). Bibcode:2023JSPal..2110577P. doi:10.1080/14772019.2023.2210577. ISSN 1477-2019.

Ankylosauria

Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Clade: Ornithischia
Clade: Thyreophora

Avemetatarsalia

- see Avemetatarsalia

Ornithischia

see Ornithischia
Ankylosauria	see below↓

Ankylosauria

Ankylosauria

Cryptosaurus Dracopelta Minmi Priodontognathus Sarcolestes Serendipaceratops? Sinankylosaurus Spicomellus Stegosaurides? Tianchisaurus Vectipelta
Parankylosauria	Antarctopelta Kunbarrasaurus? Stegouros

Acantholipan Ahshislepelta? Borealopelta Niobrarasaurus Nodosaurus Patagopelta Peloroplites? Sauropelta Silvisaurus Tatankacephalus
Panoplosaurini	Animantarx Denversaurus Edmontonia Panoplosaurus Texasetes
Struthiosaurini	Europelta Hungarosaurus Pawpawsaurus Stegopelta Struthiosaurus

Ankylosauridae

Shamosaurinae

Ankylosaurinae

Bissektipelta Crichtonpelta Crichtonsaurus Datai Jinyunpelta Minotaurasaurus Pinacosaurus Saichania Shanxia? Tarchia Tianzhenosaurus? Tsagantegia Zaraapelta
Ankylosaurini	Akainacephalus Ankylosaurus Anodontosaurus Dyoplosaurus Euoplocephalus Nodocephalosaurus Oohkotokia Platypelta Scolosaurus Talarurus Ziapelta Zuul

See also: Timeline
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