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Steropoides uncus
Taxonomy
Tridentipes uncus was named by Hitchcock (1858). It is considered to be a form taxon. Its type specimen is AC 6/1, a footprint, and it is a trace fossil. Its type locality is Lily Pond Quarry, Gill, which is in a Hettangian fluvial-lacustrine siltstone/sandstone in the Turners Falls Formation of Massachusetts.
It was recombined as Steropoides uncus by Hay (1902), Lull (1904), Lull (1917), Hay (1930) and Haubold (1971).
It was recombined as Steropoides uncus by Hay (1902), Lull (1904), Lull (1917), Hay (1930) and Haubold (1971).
Synonymy list
Year | Name and author |
---|---|
1858 | Tridentipes uncus Hitchcock p. 91–92 |
1871 | Tridentipes uncus Hitchcock p. xxi |
1889 | Tridentipes uncus Hitchcock p. 118 |
1894 | Tridentipes uncus Lyman p. 206 |
1895 | Tridentipes uncus Lyman figs. Pl. 610 |
1898 | Tridentipes uncus Hitchcock p. 401 |
1902 | Steropoides uncus Hay p. 552 |
1904 | Steropoides uncus Lull p. 525 |
1917 | Steropoides uncus Lull p. 122 |
1930 | Steropoides uncus Hay p. 21 |
1971 | Steropoides uncus Haubold p. 99 |
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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 uncus Hitchcock 1858
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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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 (3 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Hettangian | USA (Massachusetts) | Tridentipes uncus (type locality: 52986) | |
Hettangian - Sinemurian | USA (Massachusetts) | Steropoides uncus (52996) Tridentipes uncus (52998) |