Genus
Valid Extinct

Alectrosaurus

Gilmore 1933

Alectrosaurus is a genus of tyrannosauroid theropod dinosaur that lived in Asia during the Late Cretaceous period, about some 96 million years ago in what is now the Iren Dabasu Formation.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
19
Group
Dinosaures
Carnivore Ground dwelling, solitary Terrestrial
Alectrosaurus
click to enlarge
Wikimedia
Alectrosaurus
Alectrosaurus
PBDB ↗ Wikipedia ↗
Classification
Dinosauria Unranked clade
›
Theropoda Unranked clade
›
Neotheropoda Unranked clade
›
Averostra Unranked clade
›
Tetanurae Unranked clade
›
Coelurosauria Unranked clade
›
Tyrannosauroidea Superfamily
›
Alectrosaurus Genus
Measurements
Length
5,8 m ⓘ
Alectrosaurus olseni
5 m ⓘ
Mass
600 kg ⓘ
Alectrosaurus olseni
Fossil sites 19 geolocated sites
Distribution
Top countries
🇺🇿 Uzbekistan
13
🇰🇿 Kazakhstan
3
🇨🇳 China
2
🇹🇯 Tajikistan
1
Geological formations
Bissekty
10
Khodzhakul
2
Iren Dabasu
2
Dzharakuduk
1
Zhirkindek
1
Dabrazhin
1
Yalovach
1
Bostobe
1
Temporal distribution
Campanian (83.6–72.2 Ma)
3
Santonian (85.7–83.6 Ma)
1
Coniacian (89.8–85.7 Ma)
1
Turonian (93.9–89.8 Ma)
11
Cenomanian (100.5–93.9 Ma)
3
Species (1)
Alectrosaurus olseni 84 Ma
Images 2
Bibliography
Original description
C. W. Gilmore. 1933. On the dinosaurian fauna of the Iren Dabasu Formation. Bulletin of the American Museum of Natural History 68(2-3):23-78
Bibliography (5)
L. A. Nessov. 1995. Dinozavri severnoi Yevrazii: Novye dannye o sostave kompleksov, ekologii i paleobiogeografii [Dinosaurs of northern Eurasia: new data about assemblages, ecology, and paleobiogeography]. Institute for Scientific Research on the Earth's Crust, St. Petersburg State University, St. Petersburg
P. J. Currie and D. A. Eberth. 1993. Palaeontology, sedimentology and palaeoecology of the Iren Dabasu Formation (Upper Cretaceous), Inner Mongolia, People's Republic of China. Cretaceous Research 14:127-144 DOI ↗
A. K. Rozhdestvensky and L. I. Khozatsky. 1967. [Late Mesozoic terrestrial vertebrates from the Asiatic part of the USSR]. [Stratigraphy and Paleontology of the Mesozoic and Paleogene-Neogene continental deposits of the Asiatic part of the USSR]
A. N. Riabinin. 1938. Some results of the studies of the Upper Cretaceous dinosaurian fauna from the vicinity of the station Sary-Agach, South Kazakhstan. Problems of Paleontology 4:125-135
C. W. Gilmore. 1933. On the dinosaurian fauna of the Iren Dabasu Formation. Bulletin of the American Museum of Natural History 68(2-3):23-78