Genus
Valid Extinct

Siamotyrannus

Buffetaut et al. 1996

Siamotyrannus is a genus of possibly allosauroid theropod dinosaur from the Early Cretaceous Sao Khua Formation of Thailand.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
1
Group
Dinosaures
Carnivore Ground dwelling, solitary Terrestrial
Siamotyrannus
click to enlarge
Illustration of the pelvis from the theropod dinosaur Siamotyrannus isanensis. Siamotyrannus lived in Thailand, according to scientists about 90 MYA. It has been estimated to a length of 7 meter, and a weight of about 2 tonnes. Scientists has been uncertain if Siamotyrannus is a member of the family Tyrannosauridae or to Sinraptoridae. © Conty · Public domain · Wikimedia
PBDB ↗ Wikipedia ↗
Classification
Dinosauria Unranked clade
›
Theropoda Unranked clade
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Neotheropoda Unranked clade
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Averostra Unranked clade
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Tetanurae Unranked clade
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Allosauroidea Superfamily
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Metriacanthosauridae Family
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Metriacanthosaurinae Subfamily
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Siamotyrannus Genus
Measurements
Length
10 m ⓘ
Siamotyrannus isanensis 
Mass
1 750 kg ⓘ
Siamotyrannus isanensis 
Fossil sites 1 geolocated sites
Distribution
Top countries
🇹🇭 Thailand
1
Geological formations
Sao Khua
1
Temporal distribution
Barremian (125.77–121.4 Ma)
1
Species (1)
Siamotyrannus isanensis 126 Ma
Images 2
Bibliography
Original description
E. Buffetaut, V. Suteethorn, and H. Tong. 1996. The earliest known tyrannosaur from the Lower Cretaceous of Thailand. Nature 381:689-691 DOI ↗
Bibliography (1)
E. Buffetaut, V. Suteethorn, and H. Tong. 1996. The earliest known tyrannosaur from the Lower Cretaceous of Thailand. Nature 381:689-691 DOI ↗