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Steropoides divaricatus

Reptilia

Taxonomy
Ornithichnites divaricatus was named by Hitchcock (1837). It is considered to be a form taxon. 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 Ornithoidichnites divaricatus by Hitchcock (1841); it was synonymized subjectively with Steropoides loripes by Hay (1930); it was recombined as Steropoides divaricatus by Lull (1917) and Haubold (1971).

Synonyms
Synonymy list
YearName and author
1837Ornithichnites divaricatus Hitchcock p. 175
1841Ornithoidichnites divaricatus Hitchcock p. 495
1848Ornithopus loripes Hitchcock pp. 193-194
1858Tridentipes insignis Hitchcock p. 91
1871Tridentipes insignis Hitchcock p. xxi
1889Tridentipes insignis Hitchcock p. 118
1895Tridentipes insignis Lyman figs. Pl. 610
1898Tridentipes insignis Hitchcock p. 401
1902Steropoides loripes Hay p. 552
1904Steropoides loripes Lull p. 525
1917Steropoides divaricatus Lull p. 121
1930Steropoides loripes Hay p. 21
1971Steropoides divaricatus 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
speciesdivaricatus()

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 divaricatus Hitchcock 1837
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Invalid names: Ornithopus loripes Hitchcock 1848 [synonym], Tridentipes insignis Hitchcock 1858 [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: Carroll 1988, Hendy et al. 2009

Age range: base of the Hettangian to the top of the Sinemurian or 201.30000 to 190.80000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Hettangian - Sinemurian201.3 - 190.8USA (Massachusetts) Ornithoidichnites divaricatus (91398) Ornithopus loripes, Tridentipes insignis (52985) Ornithopus loripes, Tridentipes insignis, Ornithoidichnites divaricatus (type locality: 52993) Tridentipes insignis (53025 62844)
Hettangian - Sinemurian201.3 - 190.8USA (Connecticut) Ornithopus loripes, Tridentipes insignis, Steropoides divaricatus (53023)