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Dichotomites (Prodichotomites) polytomus
Taxonomy
Polyptychites polytomus was named by Koenen (1902). It is not a trace fossil.
It was recombined as Prodichotomites polytomus by Jeletzky and Kemper (1988); it was recombined as Dichotomites (Prodichotomites) polytomus by Alsen (2006).
It was recombined as Prodichotomites polytomus by Jeletzky and Kemper (1988); it was recombined as Dichotomites (Prodichotomites) polytomus by Alsen (2006).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1902 | Polyptychites polytomus Koenen |
| 1902 | Polyptychites ramulosus Koenen |
| 1988 | Prodichotomites polytomus Jeletzky and Kemper p. 91 figs. Pl 18, fig 2; pl 19, fig 2; pl 20, fig 1; text-figs 35,36a |
| 2006 | Dichotomites (Prodichotomites) polytomus Alsen p. 113 |
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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.
†Dichotomites (Prodichotomites) polytomus Koenen 1902
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Invalid names: Polyptychites ramulosus Koenen 1902 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Late/Upper Valanginian or 140.20000 to 136.40000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Valanginian | Russian Federation | Dichotomites polytomus (65459) |