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Citipes elegans

Reptilia - Caenagnathidae

Taxonomy
Ornithomimus elegans was named by Parks (1933). Its type specimen is ROM 781, a set of limb elements (Tarsometatarsus), and it is a 3D body fossil. Its type locality is Little Sandhill Creek (ROM), which is in a Campanian terrestrial horizon in the Dinosaur Park Formation of Canada. It is the type species of Leptorhynchos, Citipes.

It was recombined as Struthiomimus elegans by Russell (1964); it was synonymized subjectively with Macrophalangia canadensis by Russell (1972); it was recombined as Chirostenotes elegans by Currie and Russell (1988), Sues (1997), Rauhut (2003), Osmólska et al. (2004), Longrich (2008) and Sullivan et al. (2011); it was recombined as Elmisaurus elegans by Currie (1989), Currie (1992), Varricchio (2001) and Currie (2005); it was recombined as Leptorhynchos elegans by Longrich et al. (2013), Longrich et al. (2013), Currie and Koppelhus (2015), Funston et al. (2015), Funston et al. (2016), Funston and Currie (2016), Lee et al. (2019) and Rhodes et al. (2020); it was recombined as Citipes elegans by Funston (2020), Funston et al. (2021) and Sellés et al. (2021).

Synonymy list
YearName and author
1933Ornithomimus elegans Parks p. 16 figs. Pl. 6, fig. 1-2
1939Ornithomimus elegans Kuhn p. 52
1964Struthiomimus elegans Russell p. 12
1970Ornithomimus elegans Steel p. 20
1988Chirostenotes elegans Currie and Russell
1989Elmisaurus elegans Currie
1992Elmisaurus elegans Currie p. 246
1997Chirostenotes elegans Sues p. 699
2001Elmisaurus elegans Varricchio p. 48
2003Chirostenotes elegans Rauhut p. 40
2004Chirostenotes elegans Osmólska et al. p. 166
2005Elmisaurus elegans Currie p. 5
2008Chirostenotes elegans Longrich p. 994
2011Chirostenotes elegans Sullivan et al. p. 428
2013Leptorhynchos elegans Longrich et al. p. 29
2015Leptorhynchos elegans Currie and Koppelhus p. 626
2015Leptorhynchos elegans Funston et al. p. 183
2016Leptorhynchos elegans Funston and Currie p. 1
2019Leptorhynchos elegans Lee et al. p. 2
2020Citipes elegans Funston p. 127
2020Leptorhynchos elegans Rhodes et al. p. 1
2021Citipes elegans Funston et al. p. 15
2021Citipes elegans Sellés et al. p. 5

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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()
Tetanurae
Coelurosauria()
Maniraptora
infraorderOviraptorosauria
familyCaenagnathidae
subfamilyCaenagnathinae
genusCitipes
specieselegans()

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.

Citipes elegans Parks 1933
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Diagnosis
ReferenceDiagnosis
N. R. Longrich et al. 2013Tip of beak strongly upturned, with anterior occlusal margin projecting vertically. Anterior margin of symphysis straight, chin squarish in lateral view.
N. R. Longrich et al. 2013Tip of beak strongly upturned, with anterior occlusal margin projecting vertically. Anterior margin of symphysis straight, chin squarish in lateral view.
G. F. Funston 2020Small caenagnathid oviraptorosaur diagnosed by the following combination of features: distal tarsals III and IV coossified with each other and proximal metatarsus at maturity; metatarsals II and IV lacking posteriorly protruding proximal ends (in contrast to Elmisaurus rarus); metatarsal III with prominent cruciate ridges on posterior surface.