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Coelostylina obtusa
Taxonomy
Rissoa obtusa was named by Brown (1839). It is a 3D body fossil. Its type locality is Newtown, River Irk, Bed 8, which is in a Wuchiapingian shallow subtidal packstone in the United Kingdom.
It was recombined as Turbo obtusus by Geinitz (1861) and Langenhan (1899); it was recombined as Omphaloptycha obtusa by Riedel (1917); it was recombined as Coelostylina obtusa by Dietz (1911) and Pattison (1970).
It was recombined as Turbo obtusus by Geinitz (1861) and Langenhan (1899); it was recombined as Omphaloptycha obtusa by Riedel (1917); it was recombined as Coelostylina obtusa by Dietz (1911) and Pattison (1970).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1839 | Rissoa minutissima Brown p. 64 figs. Pl 6, figs 12-14 |
| 1839 | Rissoa obtusa Brown p. 64 figs. Pl 6, figs 15-17 |
| 1848 | Trochus pusillus Geinitz p. 7 figs. Pl 3, figs 15,16 |
| 1850 | Rissoa obtusa King p. 207 figs. Pl 16, fig 18 |
| 1861 | Turbo obtusus Geinitz p. 48 figs. Pl 11, figs 16-19 |
| 1899 | Turbo obtusus Langenhan p. 51 figs. Pl 4, fig 52 |
| 1911 | Coelostylina obtusa Dietz p. 487 |
| 1917 | Omphaloptycha obtusa Riedel p. 65 |
| 1970 | Coelostylina obtusa Pattison p. 145 figs. Pl 20, figs 8,9 |
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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.
†Coelostylina obtusa Brown 1839
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Invalid names: Rissoa minutissima Brown 1839 [synonym], Trochus pusillus Geinitz 1848 [synonym]
Diagnosis
No diagnoses are available