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Typopus abnormis
Taxonomy
Sauroidichnites abnormis was named by Hitchcock (1844). It is considered to be a form taxon. Its type specimen is AC 19/1-2, a footprint, and it is a trace fossil. Its type locality is Horse Race Quarry, Gill, which is in a Hettangian/Sinemurian terrestrial sandstone/shale in the Portland Formation of Massachusetts. It is the type species of Typopus.
It was recombined as Typopus abnormis by Hitchcock (1845), Hitchcock (1848), Hitchcock (1871), Hitchcock (1889), Lyman (1894), Hitchcock (1898), Hay (1902), Lull (1904), Hay (1930) and Haubold (1971).
It was recombined as Typopus abnormis by Hitchcock (1845), Hitchcock (1848), Hitchcock (1871), Hitchcock (1889), Lyman (1894), Hitchcock (1898), Hay (1902), Lull (1904), Hay (1930) and Haubold (1971).
Synonymy list
Year | Name and author |
---|---|
1844 | Sauroidichnites abnormis Hitchcock p. 307 fig. 7 |
1845 | Typopus abnormis Hitchcock p. 25 |
1848 | Typopus abnormis Hitchcock p. 212 |
1871 | Typopus abnormis Hitchcock p. xxi |
1889 | Typopus abnormis Hitchcock p. 119 |
1894 | Typopus abnormis Lyman p. 205 |
1898 | Typopus abnormis Hitchcock p. 402 |
1902 | Typopus abnormis Hay p. 553 |
1904 | Typopus abnormis Lull p. 543 |
1930 | Typopus abnormis Hay p. 23 |
1971 | Typopus abnormis Haubold p. 101 |
2015 | Sauroidichnites abnormis McCrea et al. p. 236 |
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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.
†Typopus abnormis Hitchcock 1844
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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: 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) | Sauroidichnites abnormis (type locality: 52985) Typopus abnormis (52998) |