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Avimimus nemegtensis

Reptilia

Taxonomy
Avimimus nemegtensis was named by Funston et al. (2018). Its type specimen is MPC-D 102/81, a partial skull, and it is a 3D body fossil. Its type locality is Avimimus bonebed, Nemegt, which is in a Maastrichtian coarse channel fill sandstone/sandstone in the Nemegt Formation of Mongolia.

Synonymy list
YearName and author
2018Avimimus nemegtensis Funston et al. p. 103
2019Avimimus nemegtensis Funston et al. p. 1
2020Avimimus nemegtensis Czepiński p. 492
2020Avimimus nemegtensis Rhodes et al. p. 9
2021Avimimus nemegtensis Funston et al. p. 9

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

†Avimimus nemegtensis Funston et al. 2018
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Diagnosis
ReferenceDiagnosis
G. F. Funston et al. 2018Differs from Av. portentosus in the following features (autapomorphies indicated by asterisk, plesiomorphies indicated by dagger): exoccipital with single jugular opening*; relatively small foramen magnum; wider pterygoids; laterally bowed quadratojugal*; dentaries with greater development of symphyseal shelf and shallow lingual ridges*; unfused ilium and ischium†; ischiadic peduncle of ilium lacking antitrochanter†; ilium with dorsally expanded and ventrally hooked preacetabular blade†; sigmoidal brevis shelf*; postacetabular blade lacking suprabrevis ridges†; shallow brevis fossa of post- acetabular blade of ilium†.
Measurements
No measurements are available
Composition: hydroxyapatiteinfrao
Entire body: yesg
Adult length: 1.0 to < 10infrao
Adult width: 0.1 to < 1.0infrao
Adult height: 1.0 to < 10infrao
Thickness: intermediateinfrao
Architecture: compact or denseinfrao
Ontogeny: accretion, modification of partsinfrao
Grouping: solitaryo
Environment: terrestrialinfrao
Locomotion: actively mobileinfrao
Life habit: ground dwellinginfrao
Depth habitat: surfaceinfrao
Diet: omnivoreinfrao
Reproduction: oviparousinfrao
Dispersal: direct/internalinfrao
Dispersal 2: mobileinfrao
Created: 2005-08-24 13:21:53
Modified: 2005-08-24 15:21:53
Source: g = genus, infrao = infraorder, o = order
References: Averianov and Yarkov 2004, Peczkis 1995, Marsh 1875

Age range: Early/Lower Maastrichtian or 70.60000 to 66.00000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Early/Lower Maastrichtian70.6 - 66.0Mongolia (Omnogov) Avimimus sp. (type locality: 221153)