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Vallatotheca elegantula
Taxonomy
Helcionopsis elegantulum was named by Chapman (1916). It is not a trace fossil.
It was recombined as Vallatotheca elegantula by Talent (1959), Tassell (1980) and Wagner (2023).
It was recombined as Vallatotheca elegantula by Talent (1959), Tassell (1980) and Wagner (2023).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1893 | Tryblidium (Metoptoma) nycteis Cresswell p. 41 figs. pl. 9 f. 4 |
| 1913 | Capulus nycteis Chapman p. 227 |
| 1916 | Helcionopsis elegantulum Chapman |
| 1916 | Helcionopsis nycteis Chapman p. 77 figs. pl. 2 f. 1 |
| 1959 | Vallatotheca elegantula Talent p. 3–4 figs. 1-4 |
| 1980 | Vallatotheca elegantula Tassell pp. 6 - 7 figs. pl. 1 f. 18-19, 21-22 |
| 2023 | Vallatotheca elegantula Wagner p. 4623 |
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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.
†Vallatotheca elegantula Chapman 1916
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Invalid names: Tryblidium (Metoptoma) nycteis Cresswell 1893 [replaced]
Diagnosis
No diagnoses are available