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

Tochisaurus nemegtensis

Osteichthyes - Troodontidae

Taxonomy
Tochisaurus nemegtensis was named by Kurzanov and Osmólska (1991). Its type specimen is PIN 551-244, a set of limb elements, and it is not a trace fossil. Its type locality is Nemegt locality (PIN coll. 551) [MPE], which is in a Maastrichtian terrestrial horizon in the Nemegt Formation of Mongolia. It is the type species of Tochisaurus. It was considered monophyletic by Currie (2000).

Synonymy list
YearName and author
1991Tochisaurus nemegtensis Kurzanov and Osmólska p. 70 figs. 1, Pl. 11-12
1994Tochisaurus nemegtensis Chure p. 14
1994Tochisaurus nemegtensis Currie and Peng p. 2229 fig. 2
1997Tochisaurus nemegtensis Barsbold p. 448
1997Tochisaurus nemegtensis Osmólska p. 472
1997Tochisaurus nemegtensis Varricchio p. 750
2000Tochisaurus nemegtensis Currie p. 444
2003Tochisaurus nemegtensis Rauhut p. 42
2004Tochisaurus nemegtensis Makovicky and Norell p. 185
2009Tochisaurus nemegtensis Norell et al. p. 28
2010Tochisaurus nemegtensis Lü et al. p. 386
2011Tochisaurus nemegtensis Porfiri et al. p. 112
2012Tochisaurus nemgetensis Gao et al. p. 10

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

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
RankNameAuthor
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Saurischia()
—Theropoda()
—Neotheropoda
—AverostraPaul 2002
—Tetanurae
—Coelurosauria()
—Maniraptora
—Paraves
infraorderDeinonychosauria
familyTroodontidae
genusTochisaurus
speciesnemegtensis

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.

†Tochisaurus nemegtensis Kurzanov and Osmólska 1991
show all | hide all
Diagnosis
ReferenceDiagnosis
S. M. Kurzanov and H. Osmólska 1991Troodontid with long, slender metatarsus and strongly reduced metatarsal II.
Measurements
No measurements are available
Composition: hydroxyapatiteo
Entire body: yeso
Adult length: 10 to < 100o
Adult width: 1.0 to < 10o
Adult height: 1.0 to < 10o
Architecture: compact or denseo
Ontogeny: accretion, modification of partso
Grouping: solitaryo
Environment: terrestrialf
Locomotion: actively mobileo
Life habit: ground dwellingf
Diet: carnivoref
Diet 2: omnivoref
Reproduction: oviparousf
Dispersal: direct/internalo
Dispersal 2: mobileo
Created: 2005-09-11 17:03:06
Modified: 2005-09-11 19:03:56
Source: f = family, o = order
References: Holtz et al. 2000, Marsh 1875

Age range: Maastrichtian or 72.20000 to 66.00000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Maastrichtian72.2 - 66.0Mongolia (Omnogov) Troodontidae indet. (type locality: 51972)