| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Polytholosia gemina
Taxonomy
Steinmannia gemina was named by Waagen and Wentzel (1888).
It was recombined as Polytholosia gemina by Termier and Termier (1977).
It was recombined as Polytholosia gemina by Termier and Termier (1977).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1888 | Steinmannia gemina Waagen and Wentzel p. 982 figs. Pl 124, fig 3 |
| 1913 | Steinmannia gemina Mansuy p. 106 figs. Pl 11, fig 10 |
| 1977 | Polytholosia gemina Termier and Termier p. 44 figs. Pl 10, fig 9 |
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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.
†Polytholosia gemina Waagen and Wentzel 1888
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Bambach et al. 2007, Kiessling 2004, Whittington et al. 1997 | |||||
Age range: base of the Wordian to the top of the Capitanian or 266.90000 to 259.51000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wordian - Capitanian | Cambodia | Steinmannia gemina (233582) |