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Parahelicampodus
Taxonomy
Parahelicampodus was named by Nielsen (1952) [Sepkoski's age data: Tr Indu].
It was assigned to Eugeneodontida by Sepkoski (2002); to Edestidae by Nielsen (1952), Zangerl (1981), Ginter et al. (2010); and to Helicampodontidae by Itano and Lebedev (2023).
It was assigned to Eugeneodontida by Sepkoski (2002); to Edestidae by Nielsen (1952), Zangerl (1981), Ginter et al. (2010); and to Helicampodontidae by Itano and Lebedev (2023).
Species
Entered
by J. Sepkoski on 2003-01-23; modified by P. Vazquez on 2013-10-27
Synonymy list
| Year | Name and author |
|---|---|
| 1952 | Parahelicampodus Nielsen |
| 1981 | Parahelicampodus Zangerl p. 89 |
| 2002 | Parahelicampodus Sepkoski |
| 2010 | Parahelicampodus Ginter et al. p. 132 |
| 2023 | Parahelicampodus Itano and Lebedev p. 342 |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, subp = subphylum | |||||
| References: Carroll 1988, Hendy et al. 2009, Wagner 2023 | |||||
Age range: Wuchiapingian or 259.51000 to 254.14000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wuchiapingian | Greenland | P. sparcki (136373) |