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Steropoides elegans

Reptilia -

Taxonomy
Ornithoidichnites elegans was named by Hitchcock (1841). It is considered to be a form taxon. Its type specimen is AC 26/21, a footprint, and it is a trace fossil. Its type locality is Dexter Marsh's Quarry, Montague, which is in a Hettangian/Sinemurian fluvial-lacustrine sandstone in the Portland Formation of Massachusetts.

It was recombined as Steropezoum elegans by Hitchcock (1848); it was recombined as Tridentipes elegans by Hitchcock (1858), Hitchcock (1871), Miller (1879), Hitchcock (1889), Lyman (1895) and Hitchcock (1898); it was recombined as Steropoides elegans by Hitchcock (1845), Hitchcock (1845) and Lull (1904).

Synonymy list
YearName and author
1841Ornithoidichnites elegans Hitchcock
1844Ornithoidichnites elegans Hitchcock p. 306
1845Steropoides elegans Hitchcock
1848Steropezoum elegans Hitchcock p. 183
1858Tridentipes elegans Hitchcock p. 90
1871Tridentipes elegans Hitchcock p. xxi
1879Tridentipes elegans Miller p. 147
1889Tridentipes elegans Hitchcock p. 118
1895Tridentipes elegans Lyman figs. Pl. 610
1898Tridentipes elegans Hitchcock p. 401
1904Steropoides elegans Lull p. 523

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
OlfactoresJefferies 1991
subphylumVertebrata
Gnathostomata()
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Sauropsida
RankNameAuthor
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
Eosuchia()
Neodiapsida
SauriaGauthier 1984
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
genusSteropoides
specieselegans(Hitchcock 1841)

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
No diagnoses are available