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Hesperonychus elizabethae

Reptilia - Dromaeosauridae

Taxonomy
Hesperonychus elizabethae was named by Longrich and Currie (2009). Its type specimen is UALVP 48778, a set of postcrania (partial pelvic girdle comprising the pubes and ilia), and it is a 3D body fossil.

Synonymy list
YearName and author
2009Hesperonychus elizabethae Longrich and Currie
2011Hesperonychus elizabethae Goianechini and Apesteguía p. 175
2015Hesperonychus elizabethae Currie and Koppelhus p. 626
2015Hesperonychus elizabethae DePalma et al. p. 1
2015Hesperonychus elizabethae Parsons and Parsons p. 3
2016Hesperonychus elizabethae Bell and Currie p. 8

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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()
—Theropoda()
—Neotheropoda
—AverostraPaul 2002
—Tetanurae
—Coelurosauria()
—Maniraptora
—Paraves
infraorderDeinonychosauria
familyDromaeosauridae
subfamilyMicroraptorinae()
genusHesperonychus
specieselizabethae

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.

†Hesperonychus elizabethae Longrich and Currie 2009
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Diagnosis
ReferenceDiagnosis
N. R. Longrich and P. J. Currie 2009Small dromaeosaurid characterized by the following aut apomorphies: pubic peduncle of ilium with medial sur face deeply excavated; posterior wing of ilium with medial shelf split to form anterior and posterior processes; lateral tubercles of pubis wing-like and cur v ing anteriorly; pubis with fossa on lateral sur face ventral to acet abulum; pubic apron shif ted onto posterior sur face of pubis; pubic symphysis teardrop-shaped in lateral v iew; ischiadic process of pubis reduced to a narrow lamina.
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: Marsh 1875, Holtz et al. 2000

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

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Judithian83.5 - 70.6Canada (Alberta) Hesperonychus elizabethae (14463)
Late/Upper Campanian83.5 - 70.6Canada (Alberta) Hesperonychus elizabethae (22697 48686 52991)