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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
Measurements
No measurements are available
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| Source: g = genus, f = family, o = order | |||||
| References: Hendy 2009, Bambach et al. 2007, Wagner 2023 | |||||
Age range: base of the Sheinwoodian to the top of the Gorstian or 433.40000 to 425.60000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Sheinwoodian | Sweden (Gotland) | Subulites ventricosus (13592) | |
| Wenlock - Ludlow | USA (Wisconsin) | Cyrtospira ventricosus (24944) | |
| Gorstian | Canada (Ontario) | Subulites ventricosus (155012) | |
| Ludlow | Canada (Ontario) | Subulites ventricosus (155723) |