[D] Albertosaurus [sG]
Describer
Osborn, 1905
Time
Cretaceous Late Campanian Maastrichtian
Classification
Saurischia Theropoda Tyrannosauria Tyrannosauridae Tyrannosaurinae Albertosaurini
Diet
Carnivore
Fossilsite
Canada, US
Typespecies
Albertosaurus sarcophagus
Length
8 meter
Info
Genus - Skull
Albertosaurus = ?Deinodon (Leidy, 1856) Albertosaurus > Albertosaurus incrassatus (Cope, 1876 vide Huene, 1932) >> Laelaps incrassatus (Cope, 1876) ?Deinodon horridus ((Leidy, 1856) ? Laelaps falculus (Cope, 1876) ?Lealaps hazeniasus (Cope, 1876) ?Dryptosaurus kenabekides (Hay, 1899) Albertosaurus > A.sarcophagus (Osborn, 1905) >> A. arctunguis (Parks, 1928)
Possible subjective synonym of Daspletosaurus torosus
In the 1970s, a major study of the family Tyrannosauridae concluded that Gorgosaurus and Albertosaurus were the same genus, and that the only differences between the two were suggested not only by comparisons of dissimilar growth stages, but also by variations between populations. Albertosaurus was named first, so according to the rules of biological nomonclature, its name had priority. However, recent work by Phillip Currie at the Royal Tyrrell Museum of Paleontology has shown that these two dinosaurs are, in fact, separate and valid genera. So, Albertosaurus libratus (Lambe, 1914) = Gorgosaurus libratus (Lambe,1914) A. sternbergi (Matthew & Brown, 1923 vide Russell, 1970) = Gorgosaurus sternbergi (Matthew & Brown, 1923)
Albertosaurus (\\\"reptile from Alberta\\\") is an North American tyrannosaurid. Its skull is very similar to that of Tyrannosaurus . It is massively built with smaller skull windows surrounded by thicker struts of bone. The teeth are sharp and recurved ( Pointing backwards), typical of a carnivore.
1 cf. Albertosaurus sp. \\\"El Gallo\\\" Formation, Estado de Baja, California Norte, Mexico, Campanian Cretaceous Late
2 Albertosaurus sp. \\\"Mesaverde\\\" Formation, Wyomig, US Campanian Cretaceous Late
3 ?Albertosaurus libratus (= ?Deinodon horridus) Fruitland Formation, New Mexico, US Campanian Cretaceous Late
4 Albertosaurus sp. Fruitland Formation, New Mexico, US Campanian Cretaceous Late
5 Albertosaurus megagracilis Hell Creek Formation, Montana, US Maastrichtian Cretaceous Late
6 Albertosaurus sarcophagus Horseshoe Canyon Formation, Alberta, Canada, Maastrichtian Cretaceous Late
7 Albertosaurus libratus Judith River Formation, Alberta, Canada, Campanian Cretaceous Late
8 Albertosaurus libratus Judith River Formation, Montana, US Campanian Cretaceous Late
9 Albertosaurus sarcophagus Judith River Formation, Montana, US Campanian Cretaceous Late
10 ? Albertosaurus sp. Judith River Formation, Saskatchewan, Canada, Campanian Cretaceous Late
11 Albertosaurus libratus Kirtland Shale, New Mexico, US Maastrichtian Cretaceous Late
12 ?Albertosaurus sarcophagus Lance Formation, Wyomig, US Maastrichtian Cretaceous Late
13 Albertosaurus sp. Lance Formation, Wyomig, US Maastrichtian Cretaceous Late
14 Albertosaurus sp. Moorville Chalk, Alabama, US Campanian Cretaceous Late
15 cf. Albertosaurus sp. Potomac Formation, New Yersey, US Cenomanian Cretaceous Late
16 ? Albertosaurus sp. St. Mary River Formation, Alberta, Canada, Maastrichtian Cretaceous Late
17 Albertosaurus sp. Two Medicine Formation, Alberta, Canada, Campanian Cretaceous Late
18 ?Tarbosaurus bataar ( = Albertosaurus periculosus) Unnamed unit, Heilongjiang, China Cretaceous Late (unconfirmed)
19 Albertosaurus sp. Wapiti Formation, Alberta, Canada, Campanian Maastrichtian Cretaceous Late
Osborn, 1905
Time
Cretaceous Late Campanian Maastrichtian
Classification
Saurischia Theropoda Tyrannosauria Tyrannosauridae Tyrannosaurinae Albertosaurini
Diet
Carnivore
Fossilsite
Canada, US
Typespecies
Albertosaurus sarcophagus
Length
8 meter
Info
Genus - Skull
Albertosaurus = ?Deinodon (Leidy, 1856) Albertosaurus > Albertosaurus incrassatus (Cope, 1876 vide Huene, 1932) >> Laelaps incrassatus (Cope, 1876) ?Deinodon horridus ((Leidy, 1856) ? Laelaps falculus (Cope, 1876) ?Lealaps hazeniasus (Cope, 1876) ?Dryptosaurus kenabekides (Hay, 1899) Albertosaurus > A.sarcophagus (Osborn, 1905) >> A. arctunguis (Parks, 1928)
Possible subjective synonym of Daspletosaurus torosus
In the 1970s, a major study of the family Tyrannosauridae concluded that Gorgosaurus and Albertosaurus were the same genus, and that the only differences between the two were suggested not only by comparisons of dissimilar growth stages, but also by variations between populations. Albertosaurus was named first, so according to the rules of biological nomonclature, its name had priority. However, recent work by Phillip Currie at the Royal Tyrrell Museum of Paleontology has shown that these two dinosaurs are, in fact, separate and valid genera. So, Albertosaurus libratus (Lambe, 1914) = Gorgosaurus libratus (Lambe,1914) A. sternbergi (Matthew & Brown, 1923 vide Russell, 1970) = Gorgosaurus sternbergi (Matthew & Brown, 1923)
Albertosaurus (\\\"reptile from Alberta\\\") is an North American tyrannosaurid. Its skull is very similar to that of Tyrannosaurus . It is massively built with smaller skull windows surrounded by thicker struts of bone. The teeth are sharp and recurved ( Pointing backwards), typical of a carnivore.
1 cf. Albertosaurus sp. \\\"El Gallo\\\" Formation, Estado de Baja, California Norte, Mexico, Campanian Cretaceous Late
2 Albertosaurus sp. \\\"Mesaverde\\\" Formation, Wyomig, US Campanian Cretaceous Late
3 ?Albertosaurus libratus (= ?Deinodon horridus) Fruitland Formation, New Mexico, US Campanian Cretaceous Late
4 Albertosaurus sp. Fruitland Formation, New Mexico, US Campanian Cretaceous Late
5 Albertosaurus megagracilis Hell Creek Formation, Montana, US Maastrichtian Cretaceous Late
6 Albertosaurus sarcophagus Horseshoe Canyon Formation, Alberta, Canada, Maastrichtian Cretaceous Late
7 Albertosaurus libratus Judith River Formation, Alberta, Canada, Campanian Cretaceous Late
8 Albertosaurus libratus Judith River Formation, Montana, US Campanian Cretaceous Late
9 Albertosaurus sarcophagus Judith River Formation, Montana, US Campanian Cretaceous Late
10 ? Albertosaurus sp. Judith River Formation, Saskatchewan, Canada, Campanian Cretaceous Late
11 Albertosaurus libratus Kirtland Shale, New Mexico, US Maastrichtian Cretaceous Late
12 ?Albertosaurus sarcophagus Lance Formation, Wyomig, US Maastrichtian Cretaceous Late
13 Albertosaurus sp. Lance Formation, Wyomig, US Maastrichtian Cretaceous Late
14 Albertosaurus sp. Moorville Chalk, Alabama, US Campanian Cretaceous Late
15 cf. Albertosaurus sp. Potomac Formation, New Yersey, US Cenomanian Cretaceous Late
16 ? Albertosaurus sp. St. Mary River Formation, Alberta, Canada, Maastrichtian Cretaceous Late
17 Albertosaurus sp. Two Medicine Formation, Alberta, Canada, Campanian Cretaceous Late
18 ?Tarbosaurus bataar ( = Albertosaurus periculosus) Unnamed unit, Heilongjiang, China Cretaceous Late (unconfirmed)
19 Albertosaurus sp. Wapiti Formation, Alberta, Canada, Campanian Maastrichtian Cretaceous Late