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Mahakala omnogovae

Reptilia - Avetheropoda - Dromaeosauridae

Taxonomy
Mahakala omnogovae was named by Turner et al. (2007). Its type specimen is IGM 100/1033, a partial skeleton, and it is not a trace fossil. Its type locality is Tögrögiin Shiree [AMNH], which is in a Campanian eolian sandstone in the Djadokhta Formation of Mongolia. It is the type species of Mahakala.

Synonymy list
YearName and author
2007Mahakala omnogovae Turner et al. p. 1378 figs. 1-2
2009Mahakala omnogovae Longrich and Currie p. supplementary
2009Mahakala omnogovae Zanno et al. p. S15
2010Mahakala omnogovae Longrich et al. p. 955
2014Mahakala omnogovae Delcourt and Grillo p. 312
2017Mahakala omnogovae Cau et al.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
Eosuchia()
Neodiapsida
RankNameAuthor
SauriaGauthier 1984
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Saurischia()
Theropoda()
Neotheropoda
AverostraPaul 2002
Tetanurae
orderAvetheropoda
suborderCoelurosauria
Maniraptoriformes
familyDromaeosauridae
subfamilyHalszkaraptorinae
genusMahakala
speciesomnogovae

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
A. Cau et al. 2017Halszkaraptorine dromaeosaurid with unique combination of: a ledgelike depression at the confluence of metotic strut and posterior tympanic recess on the anterior face of the paroccipital process (provisional autapomorphy, unknown in other Halszkaraptorinae); pendant paroccipital processes (unknown in Hu. perlei); laterally oriented anteriormost caudal ribs (see Halszkaraptor diagnosis); a short forelimb (humerus not longer than 50% femur, relatively longer in Ha. escuilliei, unknown in Hu. perlei); the absence of a cuppedicus fossa (present in Ha. escuilliei, unknown in Hu. perlei); distal ends of both metatarsal I and II diverge medially (unknown in Hu. perlei); metatarsal III longer than femur (unknown in Hu. perlei); distal end of metatarsal III with symmetrical constriction proximal to trochlea (constriction absent in Ha. escuilliei; constriction asymmetrical, more developed medially in Hu. perlei).
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
Reproduction: oviparousf
Dispersal: direct/internalo
Dispersal 2: mobileo
Created: 2005-09-11 17:04:18
Modified: 2005-09-11 19:04:18
Source: f = family, o = order
References: Kiessling 2004, Holtz et al. 2000, Marsh 1875

Age range: Late/Upper Campanian or 83.50000 to 70.60000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Late/Upper Campanian83.5 - 70.6Mongolia (Omnogov) Mahakala omnogovae (type locality: 51033)