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Apatoraptor pennatus

Reptilia - Theropoda - Caenagnathidae

Taxonomy
Apatoraptor pennatus was named by Funston and Currie (2016). Its type specimen is TMP 1993.051.0001, a partial skeleton, and it is a 3D body fossil. Its type locality is 3 km west of RTMP, which is in a Maastrichtian terrestrial horizon in the Horseshoe Canyon Formation of Canada.

Synonymy list
YearName and author
2016Apatoraptor pennatus Funston and Currie p. 2
2018Apatoraptor pennatus Norell et al. p. 10
2020Apatoraptor pennatus Funston p. 119
2020Apatoraptor pennatus Rhodes et al. p. 1
2021Apatoraptor pennatus Funston et al. p. 15

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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
—Diapsida()
RankNameAuthor
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
orderTheropoda
—Neotheropoda
—AverostraPaul 2002
—Tetanurae
—Coelurosauria()
—Maniraptora
infraorderOviraptorosauria
familyCaenagnathidae
subfamilyCaenagnathinae
genusApatoraptor
speciespennatus

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.

†Apatoraptor pennatus Funston and Currie 2016
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Diagnosis
ReferenceDiagnosis
G. F. Funston and P. J. Currie 2016Small elmisaur theropod diagnosed by the following autapomorphies: ventral flange of angular underlying posteroventral ramus of the dentary; anterior constriction of external mandibular fenestra by posteroventral ramus of the dentary; medial fossa anterior to articular region of mandible; articular region of mandible with low articular ridge offset from dorsal margin of articular-surangular-coronoid complex; metacarpal I less than half as long as metacarpal II; manual I-1 longest phalanx of hand; and manual phalanx II-1 longer than II-2.
Also distinguished by the unique combination of the following characters: thin retroarticular process of mandible oriented posterolaterally; cervical vertebrae with infradiapophyseal fossae in addition to infrapre- and infrapostzygapophyseal fossae; fusion of cervical ribs to vertebrae; finger-like uncinate processes on dorsal ribs; glenoid of scapulocoracoid directed laterally; enlarged coracoid with relatively straight posteroventral process; manual ungual I-2 lacking transverse groove between proximal articular surface and flexor tubercle; anterior margin of preacetabular portion of ilium rounded; and tibia with expanded cnemial crest.
Measurements
No measurements are available
Composition: hydroxyapatiteinfrao
Entire body: yesinfrao
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: 2005-03-06 14:07:56
Modified: 2005-03-06 16:07:56
Source: infrao = infraorder, o = order
References: Averianov and Yarkov 2004, 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 - 66.0Canada (Alberta) Apatoraptor pennatus (type locality: 180856)