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Ratchasimasaurus suranareae

Reptilia

Taxonomy
Ratchasimasaurus suranareae was named by Shibata et al. (2011). Its type specimen is NRRU-A2064, a mandible, and it is a 3D body fossil. Its type locality is Ban Pong Malaengwan, which is in an Aptian fluvial siltstone/mudstone in the Khok Kruat Formation of Thailand.

It was considered a nomen dubium by Samathi and Suteethorn (2022).

Synonymy list
YearName and author
2011Ratchasimasaurus suranareae Shibata et al. p. 970 figs. 3-5
2013Ratchasimasaurus suranareae Zheng et al.
2015Ratchasimasaurus suranareae Verdú et al. p. 256
2016Ratchasimasaurus suranareae Fuentes Vidarte et al. p. 442
2016Ratchasimasaurus suranareae Mo et al. p. 152
2021Ratchasimasaurus suranareae Verdú et al. p. 4
2022Ratchasimasaurus suranareae Ji and Zhang p. 7
2023Ratchasimasaurus suranareae Manitkoon et al. p. 1

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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()
—Romeriida
—Diapsida()
RankNameAuthor
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Ornithischia()
—Genasauria
—Cerapoda
—Ornithopoda()
—Clypeodonta
—Iguanodontia()
—Dryomorpha
—Styracosterna
—Hadrosauriformes
—Hadrosauroidea()
genusRatchasimasaurus
speciessuranareae

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.

†Ratchasimasaurus suranareae Shibata et al. 2011
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Diagnosis
ReferenceDiagnosis
M. Shibata et al. 2011A proportionally elongated and flat dentary with a high ratio of length/height of a dentary (> 6) and combination of the following characters: dorsoventrally compressed shape of dentary ramus; caudally inclined coronoid process; buccal shelf present; alveolar trough with a tooth crown shape; a short diastema exists.
Measurements
No measurements are available
Composition: hydroxyapatiteo
Entire body: yeso
Adult length: 10 to < 100o
Adult width: 1.0 to < 10o
Adult height: 1.0 to < 10o
Architecture: compact or denseo
Ontogeny: accretion, modification of partso
Grouping: gregariouso
Environment: terrestrialo
Locomotion: actively mobileo
Life habit: ground dwellingo
Diet: herbivoresubo
Reproduction: oviparouso
Dispersal: direct/internalo
Dispersal 2: mobileo
Created: 2009-01-03 20:40:05
Modified: 2009-01-03 22:40:05
Source: subo = suborder, o = order
References: Benton 1983, Marsh 1875

Age range: Aptian or 125.00000 to 113.00000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Aptian125.0 - 113.0Thailand (Nakhon Ratchasima) Ratchasimasaurus suranareae (type locality: 131864)