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Steropoides infelix

Reptilia

Taxonomy
Steropoides infelix was named by Hay (1902). It is considered to be a form taxon. Its type specimen is AC 19/9, a footprint, and it is a trace fossil. Its type locality is below Turners Falls, tracksite, which is in a Hettangian/Sinemurian fluvial-lacustrine sandstone/shale in the Portland Formation of Massachusetts.

Synonyms
Synonymy list
YearName and author
1841Ornithoidichnites elegantior Hitchcock p. 493
1845Steropoides elegantior Hitchcock p. 24
1848Steropezoum elegantius Hitchcock p. 184
1871Tridentipes elegantior Hitchcock p. xxi
1898Tridentipes elegantior Hitchcock p. 401
1902Steropoides infelix Hay p. 552
1904Steropoides infelix Lull p. 524
1917Steropoides infelix Lull p. 121
1930Steropoides infelix Hay p. 21
1971Steropoides infelix Haubold p. 99

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
RankNameAuthor
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
genusSteropoides
speciesinfelix

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.

†Steropoides infelix Hay 1902
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Invalid names: Tridentipes elegantior Hitchcock 1841 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: terrestrialuc
Locomotion: actively mobilec
Created: 2017-04-17 15:15:35
Modified: 2017-04-17 15:15:35
Source: c = class, subp = subphylum, uc = unranked clade
References: Hendy et al. 2009, Carroll 1988

Age range: Hettangian or 201.30000 to 199.30000 Ma

Collections (5 total)


Time interval Ma Country or state Original ID and collection number
Hettangian201.3 - 199.3USA (Massachusetts) Tridentipes elegantior (52986)
Hettangian - Sinemurian201.3 - 190.8USA (Massachusetts) Ornithoidichnites elegantior (52985 52994) Steropoides infelix (type locality: 52996)
Hettangian - Sinemurian201.3 - 190.8USA (Connecticut) Steropoides infelix (53023)