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Siamotyrannus isanensis

Reptilia - Metriacanthosauridae

Taxonomy
Siamotyrannus isanensis was named by Buffetaut et al. (1996). Its type specimen is PW 9-1, a set of postcrania, and it is a 3D body fossil. Its type locality is Phu Wiang 9, which is in a Barremian terrestrial sandstone in the Sao Khua Formation of Thailand. It is the type species of Siamotyrannus.

Synonymy list
YearName and author
1996Siamotyrannus isanensis Buffetaut et al.
1997Siamotyrannus isanensis Buffetaut p. 690
1997Siamotyrannus isanensis Buffetaut et al. p. 179
1998Siamotyrannus isanensis Buffetaut p. 93
1999Siamotyrannus isanensis Buffetaut and Suteethorn pp. 15-16
1999Siamotyrannus isanensis Manabe p. 1176
2000Siamotyrannus isanensis Foster and Chure p. 8
2001Siamotyrannus isanensis Holtz, Jr. p. 71 fig. 7.2
2003Siamotyrannus isanensis Rauhut p. 31
2004Siamotyrannus isanensis Holtz, Jr. et al. p. 74
2005Siamotyrannus isanensis Yates p. 117
2006Siamotyrannus isanensis Buffetaut et al. p. 26
2008Siamotyrannus isanensis Dong p. 7
2008Siamotyrannus isanensis Suteethorn and Buffetaut p. 55
2012Siamotyrannus isanensis Carrano et al. p. 242
2014Siamotyrannus isanensis Mo et al. p. 1057
2019Siamotyrannus isanensis Samathi et al. p. 242

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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
RankNameAuthor
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Theropoda()
—Neotheropoda
—AverostraPaul 2002
—Tetanurae
superfamilyAllosauroidea
familyMetriacanthosauridae
subfamilyMetriacanthosaurinae
genusSiamotyrannus
speciesisanensis

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.

†Siamotyrannus isanensis Buffetaut et al. 1996
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Diagnosis
ReferenceDiagnosis
M. T. Carrano et al. 2012Avetheropod with double vertical ridge on central part of lateral iliac blade (Rauhut 2003).