Genus

Valid Extinct

Yamatosaurus

Kobayashi et al. 2021

Yamatosaurus is a genus of basal hadrosaurid from the Late Cretaceous (Maastrichtian)-aged Kita-Ama Formation of Awaji Island, Japan. The genus contains a single species, Yamatosaurus izanagii.

Temporal range

Triassic

Jurassic

Cretaceous

Paleogene

Neogene

252 201 145 66 0 Ma

PBDB occurrences

Group

Dinosaures

Herbivore Ground dwelling, gregarious Terrestrial

click to enlarge

Photograph of the right dentary of the holotype (MNHAH D1-033516) of the hadrosaurid Yamatosaurus izanagii (Kobayashi et al. 2021). A is the lateral view; B is the medial view; C is the dorsal view; D is the ventral view; E is the anterior view. The white numbers (B) show the positions of nutrient foramina. © Yoshitsugu Kobayashi, Ryuji Takasaki, Katsuhiro Kubota & Anthony R. Fiorillo · CC BY 4.0 · Wikimedia

PBDB ↗ Wikipedia ↗

Classification

Dinosauria Unranked clade

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Ornithischia Unranked clade

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Neornithischia Unranked clade

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Pyrodontia Unranked clade

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Cerapoda Unranked clade

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Ornithopoda Suborder

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Iguanodontia Infraorder

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Euiguanodontia Unranked clade

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Dryomorpha Unranked clade

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Ankylopollexia Unranked clade

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Styracosterna Unranked clade

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Hadrosauriformes Unranked clade

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Hadrosauroidea Unranked clade

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Hadrosauridae Family

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Yamatosaurus Genus

Fossil sites 1 geolocated sites

Distribution

Top countries

🇯🇵 Japan

Geological formations

Kita-ama

Temporal distribution

Maastrichtian (72.2–66 Ma)

Species (1)

Yamatosaurus izanagii 72 Ma

Images 2

Bibliography

Original description

Y. Kobayashi, R. Takasaki, and K. Kubota, A. R. Fiorillo. 2021. A new basal hadrosaurid (Dinosauria: Ornithischia) from the latest Cretaceous Kita-ama Formation in Japan implies the origin of hadrosaurids. Scientific Reports 11:8547:1-15 DOI ↗

Bibliography (1)

Yamatosaurus

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