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Helcionella subrugosa
Taxonomy
Helcion subrugosus was named by d'Orbigny (1850) [Replacement for ?Metoptoma rugosa Hall 1847 non ?Patella rugosa Sowerby 1816 ]. It is a 3D body fossil.
It was recombined as Helcionella subrugosa by Knight (1941), Runnegar and Jell (1976), Geyer (1986) and Landing and Bartowski (1996).
It was recombined as Helcionella subrugosa by Knight (1941), Runnegar and Jell (1976), Geyer (1986) and Landing and Bartowski (1996).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1847 | Metoptoma rugosa Hall |
| 1850 | Helcion subrugosus d'Orbigny p. 9 |
| 1885 | Stenotheca rugosa Matthew |
| 1886 | Stenotheca rugosa Walcott pp. 128 - 129 figs. pl. 12 f. 1a-c (not 1d-e) |
| 1890 | Stenotheca rugosa Walcott |
| 1892 | Stenotheca rugosa Tate |
| 1900 | Stenotheca rugosa Grabau |
| 1905 | Stenotheca rugosa Walcott |
| 1909 | Helcionella rugosa Grabau and Shimer pp. 607 - 608 fig. 810 |
| 1934 | Stenotheca rugosa Cobbold |
| 1941 | Helcionella subrugosa Knight p. 142 figs. pl. 3 f. 1 |
| 1976 | Helcionella subrugosa Runnegar and Jell pp. 126 |
| 1986 | Helcionella subrugosa Geyer p. 75 figs. pl. 2 f. 15-17, ?18 |
| 1996 | Helcionella subrugosa Landing and Bartowski pp. 754 |
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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.
†Helcionella subrugosa Hall 1847
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Invalid names: Metoptoma rugosa Hall 1847 [replaced]
Diagnosis
No diagnoses are available