Analong
{{short description|Genus of sauropod dinosaur (fossil)}}
{{Automatic taxobox
| fossil_range = Middle Jurassic, {{fossilrange|170|168}}
| image = Analong reconstruction.png
| image_caption = Speculative life restoration
| taxon = Analong
| authority = Ren et al. 2020
| type_species = {{extinct}}Analong chuanjieensis
| type_species_authority = Ren et al. 2020
| subdivision_ranks =
| subdivision =
}}
{{distinguish|text=Analog or Annalong}}
Analong (meaning "Ana dragon") is a genus of mamenchisaurid sauropod dinosaur from the Chuanjie Formation in Yunnan, China. The type and only species is Analong chuanjieensis.{{Cite journal|author1=Xin-Xin Ren |author2=Toru Sekiya |author3=Tao Wang |author4=Zhi-Wen Yang |author5=Hai-Lu You |year=2020 |title=A revision of the referred specimen of Chuanjiesaurus anaensis Fang et al., 2000: a new early branching mamenchisaurid sauropod from the Middle Jurassic of China |journal=Historical Biology: An International Journal of Paleobiology |volume=33 |issue=9 |pages= 1872–1887 |doi=10.1080/08912963.2020.1747450 |s2cid=216283529 }}
Discovery and naming
The holotype, LFGT LCD 9701–1, found in 1995, was in 2011 assigned to the contemporary genus Chuanjiesaurus.{{cite journal|first=T. |last=Sekiya |year=2011 |title=Re-examination of Chuanjiesaurus anaensis (Dinosauria: Sauropoda) from the Middle Jurassic Chuanjie Formation, Lufeng County, Yunnan Province, southwest China |journal=Memoir of the Fukui Prefectural Dinosaur Museum |volume=10 |pages=1–54 |url=https://www.dinosaur.pref.fukui.jp/archive/memoir/memoir010-001.pdf}} However, in 2020, Ren et al. noted several differences between it and the holotype of Chuanjiesaurus, and so assigned it to a new taxon, Analong chuanjieensis. The binomial name means "Ana dragon from Chuanjie," where Ana is the village in Yunnan Province where the holotype was found.
Classification
In a phylogenetic analysis, Analong was found by its describers to be the earliest diverging mamenchisaurid. Their resulting phylogenetic tree of Mamenchisauridae is reproduced below.
{{clade|style=font-size:85%; line-height:85%;
|label1=Mamenchisauridae
|1={{clade
|1=Analong chuanjieensis
|2={{clade
|2={{clade
|2={{clade
|2=Chuanjiesaurus anaensis}} }} }} }} }}
References
{{reflist}}
{{Portal bar|Dinosaurs|China}}
{{Sauropodomorpha|B.}}
{{Taxonbar|from=Q89997400}}
Category:Middle Jurassic dinosaurs
Category:Fossil taxa described in 2020
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