Basic info Taxonomic history Classification Relationships
Morphology Ecology and taphonomy External Literature Search Age range and collections

Amtosaurus magnus

Reptilia -

Taxonomy
Amtosaurus magnus was named by Kurzanov and Tumanova (1978). Its type specimen is PIN 3780/2, a skull, and it is not a trace fossil. Its type locality is Amtgay (SMPE), which is in a Cenomanian/Turonian terrestrial horizon in the Baynshire Formation of Mongolia. It is the type species of Amtosaurus. It was considered monophyletic by Vickaryous et al. (2004).

It was considered a nomen dubium by Carpenter (2001); it was considered a nomen dubium by Parish and Barrett (2004).

Synonymy list
YearName and author
1978Amtosaurus magnus Kurzanov and Tumanova
1987Amtosaurus magnus Tumanova
1997Amtosaurus magnus Barsbold p. 450
2000Amtosaurus magnus Ford p. 176
2000Amtosaurus magnus Tumanova p. 522
2004Amtosaurus magnus Vickaryous et al. p. 367

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
OlfactoresJefferies 1991
subphylumVertebrata
Gnathostomata()
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
RankNameAuthor
Romeriida
Diapsida()
Eosuchia()
Neodiapsida
SauriaGauthier 1984
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Ornithischia()
Genasauria
Thyreophora()
Ankylosauria()
genusAmtosaurus
speciesmagnus

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.

Diagnosis
ReferenceDiagnosis
T. A. Tumanova 1987Occiput high, endocranial cavity large.