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Kiyacursor longipes

Osteichthyes - Noasauridae

Taxonomy
Kiyacursor longipes was named by Averianov et al. (2024). Its type specimen is KOKM 554, a partial skeleton, and it is a 3D body fossil. Its type locality is Shestakovo-1, which is in an Aptian terrestrial sandstone/siltstone in the Ilek Formation of the Russian Federation. It is the type species of Kiyacursor.

Synonymy list
YearName and author
2024Kiyacursor longipes Averianov et al. p. 2 figs. 1-2

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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()
RankNameAuthor
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Saurischia()
—Theropoda()
—Neotheropoda
—AverostraPaul 2002
suborderCeratosauria()
familyNoasauridae
genusKiyacursor
specieslongipes

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.

†Kiyacursor longipes Averianov et al. 2024
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Diagnosis
ReferenceDiagnosis
A. O. Averianov et al. 2024A medium-sized theropod of the family Noasauridae. Differs from Elaphrosaurus and Limusaurus by head of humerus globular,metatarsal II proximal end smaller than that of metatarsal IV, and metatarsal IV shaft lateromedially compressed. Additionally differs from Elaphrosaurus by centrum of posterior cervicals not constricted in the middle, additional pneumatic foramina on the posterior cervical neural arch, scapulocoracoid glenoid facet longer than wide, humerus lacking internal tuberosity and posterolateral tubercle, head of femur pointed medially, having proximal articular groove and lacking oblique ligament groove, reduced proximal lateral condyle of tibia, and fibular crest of tibia well separated from proximal end. Additionally differs from Limusaurus by coracoid lacking biceps tubercle, flat distal articular surface of humerus, transversely wider distal end of metatarsal IV, and single groove on pedal unguals.
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: terrestrialo
Locomotion: actively mobileo
Life habit: ground dwellingo
Diet: carnivoreo
Reproduction: oviparouso
Dispersal: direct/internalo
Dispersal 2: mobileo
Created: 2004-12-14 12:50:08
Modified: 2004-12-14 14:50:08
Source: o = order
References: Marsh 1875, Kiessling 2004

Age range: Aptian or 121.40000 to 113.20000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Aptian121.4 - 113.2Russian Federation (Kemerovo) Kiyacursor longipes, Coelurosauria indet. (type locality: 39680)