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Gyronema semicarinatum
Taxonomy
Cyclonema semicarinatum was named by Salter (1859). It is not a trace fossil.
It was recombined as Gyronema semicarinatum by Ulrich and Scofield (1897), Wilson (1951), Thompson (1970), Wagner (2023).
It was recombined as Gyronema semicarinatum by Ulrich and Scofield (1897), Wilson (1951), Thompson (1970), Wagner (2023).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1859 | Cyclonema semicarinatum Salter |
| 1897 | Gyronema duplicatum Ulrich and Scofield |
| 1897 | Gyronema semicarinatum Ulrich and Scofield p. 1055 figs. pl. 78 f. 17-18 |
| 1951 | Gyronema semicarinatum Wilson p. 75 figs. pl. 12 f. 18-20 |
| 1970 | Gyronema semicarinatum Thompson p. 266 |
| 2023 | Gyronema semicarinatum Wagner p. 1513 |
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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.
†Gyronema semicarinatum Salter 1859
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Invalid names: Gyronema duplicata Ulrich and Scofield 1897 [synonym]
Diagnosis
No diagnoses are available