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Polyptychites (Dichotomites) bidichotomoides
Taxonomy
Dichotomites (Dichotomites) bidichotomoides was named by Kemper (1978).
It was recombined as Polyptychites (Dichotomites) bidichotomoides by Bogomolov (1989).
It was recombined as Polyptychites (Dichotomites) bidichotomoides by Bogomolov (1989).
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
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1978 | Dichotomites (Dichotomites) bidichotomoides Kemper |
1989 | Polyptychites (Dichotomites) bidichotomoides Bogomolov p. 66 figs. Pl 27, fig 2; pl 29, fig 1 |
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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.
†Polyptychites (Dichotomites) bidichotomoides Kemper 1978
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: o = order, c = class | |||||
References: Kiessling 2004, Kiessling 2003 |
Age range: Late/Upper Valanginian or 140.20000 to 136.40000 Ma
Collections (4 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Late/Upper Valanginian | Russian Federation | Polyptychites bidichotomoides (189644 189663 189664 189667) |