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Cyrtospira ventricosus
Taxonomy
Subulites ventricosus was named by Hall (1852). It is not a trace fossil.
It was recombined as Cyrtospira ventricosus by Ulrich and Scofield (1897) and Wagner (2023).
It was recombined as Cyrtospira ventricosus by Ulrich and Scofield (1897) and Wagner (2023).
Subspecies
Synonymy list
| Year | Name and author |
|---|---|
| 1852 | Subulites ventricosus Hall p. 347 figs. pl. 83 f. 7 |
| 1867 | Subulites ventricosus Hall p. 346 figs. pl. 15 f. 1 |
| 1868 | Subulites ventricosus Hall p. 398 figs. pl. 15 f. 1 |
| 1872 | Subulites ventricosus Nicholson p. 549 figs. pl. 26 f. 5 |
| 1884 | Subulites ventricosus Lindström pp. 193 - 194 figs. pl. 18 f. 60-61 |
| 1897 | Cyrtospira ventricosus Ulrich and Scofield p. 1070 |
| 1979 | Subulites ventricosus Peel and Wängberg-Eriksson p. 106 |
| 2023 | Cyrtospira ventricosus Wagner p. 1253 |
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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.
†Cyrtospira ventricosus Hall 1852
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†Subulites ventricosus curvus Lindström 1884
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Diagnosis
No diagnoses are available