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Polemarchus dananus
Taxonomy
Palamopus dananus was named by Hitchcock (1848). It is considered to be a form taxon. Its type specimen is AC 12/1, a footprint, and it is a trace fossil. Its type locality is Ashael Lyman's, Northampton tracksite, which is in a Hettangian/Sinemurian lacustrine - small sandstone/mudstone in the Portland Formation of Massachusetts.
It was recombined as Eupalamopus dananus by Hay (1902), Lull (1904), Lull (1917) and Hay (1930); it was recombined as Polemarchus dananus by Haubold (1971).
It was recombined as Eupalamopus dananus by Hay (1902), Lull (1904), Lull (1917) and Hay (1930); it was recombined as Polemarchus dananus by Haubold (1971).
Synonyms
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Synonymy list
Year | Name and author |
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1848 | Palamopus dananus Hitchcock p. 217 |
1858 | Palamopus clarki Hitchcock |
1871 | Palamopus clarki Hitchcock p. xxi |
1898 | Palamopus clarki Hitchcock p. 402 |
1902 | Eupalamopus dananus Hay p. 544 |
1904 | Eupalamopus dananus Lull pp. 531-532 |
1917 | Eupalamopus dananus Lull p. 124 |
1930 | Eupalamopus dananus Hay p. 12 |
1971 | Polemarchus dananus Haubold p. 98 |
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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.
†Polemarchus dananus Hitchcock 1848
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Invalid names: Palamopus clarki Hitchcock 1858 [synonym]
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 |
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Hettangian - Sinemurian | USA (Massachusetts) | Palamopus clarki (type locality: 53025) Palamopus dananus (62844) |