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Toxichnus inaequalis
Taxonomy
Toxichnus inaequalis was named by Hitchcock (1865). It is considered to be a form taxon. 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. It is the type species of Toxichnus.
Synonymy list
| Year | Name and author |
|---|---|
| 1865 | Toxichnus inaequalis Hitchcock pp. 12-13 figs. Pl. 5:5 |
| 1871 | Toxichnus inaequalis Hitchcock p. xxi |
| 1889 | Toxichnus inaequalis Hitchcock p. 119 |
| 1895 | Toxichnus inaequalis Lyman figs. Pl. 610 |
| 1898 | Toxichnus inaequalis Hitchcock p. 402 |
| 1902 | Toxichnus inaequalis Hay p. 553 |
| 1904 | Toxichnus inaequalis Lull p. 542 |
| 1917 | Toxichnus inaequalis Lull p. 126 |
| 1930 | Toxichnus inaequalis Hay p. 22 |
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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.
†Toxichnus inaequalis Hitchcock 1865
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subp = subphylum, p = phylum | |||||
| References: Kiessling 2004, Carroll 1988 | |||||
Age range: base of the Hettangian to the top of the Sinemurian or 201.30000 to 190.80000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Hettangian - Sinemurian | USA (Massachusetts) | Toxichnus inaequalis (type locality: 52996 91669) |