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Daanosaurus zhangi

Reptilia

Taxonomy
Daanosaurus zhangi was named by Ye et al. (2005). Its type specimen is ZDM 0193, a partial skeleton, and it is a 3D body fossil. Its type locality is Yongan, Yantan, which is in a Kimmeridgian/Tithonian terrestrial horizon in the Shaximiao Formation of China. It is the type species of Daanosaurus.

Synonymy list
YearName and author
2005Daanosaurus zhangi Peng et al.
2005Daanosaurus zhangi Ye et al. p. 175 figs. 1-5
2009Daanosaurus zhangi Xing et al. p. 1394
2011Daanosaurus zhangi Li et al. p. 24
2012Daanosaurus zhangi D'Emic

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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()
genusDaanosaurus
specieszhangi

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.

†Daanosaurus zhangi Ye et al. 2005
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Diagnosis
ReferenceDiagnosis
G. Peng et al. 2005Medium-sized sauropod recognized by spoon-shaped teeth; anterior end of frontal M-shaped in dorsal view; slightly elongated cervicals with longest centra less than twice of average length of dorsal centra; axis very short but high; opisthocoelous cervical centra with long and deep pleurocoels, but lacking ventral keels; low cervical neural arches with well developed cavities; low and longitudinally elongated cervical neural spines with straight and horizontal dorsal margins; neural spines of posterior cervicals slightly transversely expanded but not bifurcated; short cervical ribs; middle cervical ribs with a bifurcated anterior process; opisthocoelous dorsal centra with developed pleurocoels; transversely broadened and plate-like dorsal neural spines no bifurcated; Y-shaped chevrons with penetrative canals; straight femur with a well developed fourth trochanter.
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: base of the Kimmeridgian to the top of the Tithonian or 154.80000 to 143.10000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Kimmeridgian - Tithonian154.8 - 143.1China (Sichuan) Daanosaurus zhangi (type locality: 89050)