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Chuanjiesaurus anaensis

Reptilia

Taxonomy
Chuanjiesaurus anaensis was named by Fang et al. (2000) [originally spelled "a'naensis"]. It is not extant. Its type specimen is Lfch 1001. Its type locality is Quarry 1, Lao Chang Qing, which is in a Bajocian lacustrine mudstone in the Chuanjie Formation of China.

Synonymy list
YearName and author
2000Chuanjiesaurus anaensis Fang et al. p. 213 figs. Pl. 2-3
2004Chuanjiesaurus anaensis Upchurch et al. p. 261
2011Chuanjiesaurus anaensis Li et al. p. 29
2011Chuanjiesaurus anaensis Sekiya
2016Chuanjiesaurus anaensis Xing et al. p. 1110
2017Chuanjiesaurus anaensis Xing et al. p. 9
2019Chuanjiesaurus anaensis Tan et al. p. 111
2019Chuanjiesaurus anaensis Xing et al. p. 523
2021Chuanjiesaurus anaensis Ren et al. p. 1872

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
RankNameAuthor
Romeriida
Diapsida()
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Saurischia()
Sauropoda()
Gravisauria
Eusauropoda
Mamenchisauridae()
genusChuanjiesaurus
speciesanaensis

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.

Chuanjiesaurus anaensis Fang et al. 2000
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Diagnosis
ReferenceDiagnosis
T. Sekiya 2011Three laminae support the infrahyposphenal cavity of the dorsal neural arch; knob-like fused neural spines in posterior dorsal and sacral vertebrae; V-shaped shelf-like hyposphene in posterior dorsal vertebrae; anterior ridge on the proximal caudal rib; ratio of length to midshaft width of metacarpal II less than 0.2; fibular condyles of femur divided, with the medial crest wider than the sulcus between tibial condyle.
Measurements
No measurements are available
Composition: hydroxyapatiteinfrao
Entire body: yesinfrao
Adult length: 10 to < 100infrao
Adult width: 10 to < 100infrao
Adult height: 10 to < 100infrao
Thickness: thickinfrao
Architecture: compact or denseinfrao
Form: sphericalinfrao
Ontogeny: accretion, modification of partsinfrao
Grouping: gregariousinfrao
Environment: terrestrialinfrao
Locomotion: actively mobileinfrao
Life habit: ground dwellinginfrao
Diet: herbivoreinfrao
Reproduction: oviparousinfrao
Dispersal: direct/internalinfrao
Dispersal 2: mobileinfrao
Created: 2004-12-14 12:49:10
Modified: 2004-12-14 14:49:10
Source: infrao = infraorder
Reference: Marsh 1875

Age range: Bajocian or 170.30000 to 168.30000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Bajocian170.3 - 168.3China (Yunnan) Mamenchisaurus sp. (type locality: 70438)