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Cyrtostropha macrospira
Taxonomy
Murchisonia macrospira was named by Hall (1852). It is not a trace fossil.
It was recombined as Lophospira macrospira by Ulrich and Scofield (1897); it was recombined as Coelidium macrospira by Clarke and Ruedemann (1903) and Parks (1915); it was recombined as Coelocaulus macrospira by Whiteaves (1906) and Horný (1952); it was recombined as Michelia macrospira by Linsley (1994); it was recombined as Cyrtostropha macrospira by Wagner (2023).
It was recombined as Lophospira macrospira by Ulrich and Scofield (1897); it was recombined as Coelidium macrospira by Clarke and Ruedemann (1903) and Parks (1915); it was recombined as Coelocaulus macrospira by Whiteaves (1906) and Horný (1952); it was recombined as Michelia macrospira by Linsley (1994); it was recombined as Cyrtostropha macrospira by Wagner (2023).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1852 | Murchisonia loganii Hall |
| 1852 | Murchisonia macrospira Hall p. 346 figs. pl. 83 f. 5 |
| 1872 | Murchisonia loganii Nicholson p. 544 figs. pl. 26 f. 3-4 |
| 1872 | Murchisonia macrospira Nicholson pp. 545 - 546 figs. pl. 26 f. 9 |
| 1884 | Murchisonia macrospira Whiteaves p. 27 figs. pl. 4 f. 7-7a |
| 1895 | Murchisonia loganii Whiteaves p. 80 |
| 1895 | Murchisonia macrospira Whiteaves p. 81 |
| 1897 | Lophospira macrospira Ulrich and Scofield p. 963 |
| 1897 | Coelocaulus logani Ulrich and Scofield p. 1020 |
| 1903 | Coelidium macrospira Clarke and Ruedemann pp. 65 - 67 figs. pl. 7 f. 2-8; pl. 10 f. 13 |
| 1906 | Coelocaulus macrospira Whiteaves p. 333 |
| 1915 | Coelidium macrospira Parks p. 58 |
| 1952 | Coelocaulus macrospira Horný p. 19 |
| 1980 | Murchisonia macrospira Rohr p. 186 |
| 1994 | Michelia macrospira Linsley p. 90 |
| 2023 | Cyrtostropha macrospira Wagner p. 1868 |
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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.
†Cyrtostropha macrospira Hall 1852
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Invalid names: Cyrtostropha loganii Hall 1852 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subg = subgenus, f = family, o = order | |||||
| References: Bambach et al. 2007, Hendy 2009 | |||||
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Telychian | Canada (Ontario) | Coelidium macrospira (77332) | |
| Homerian | USA (New York) | Coelidium macrospira (154368 155562) | |
| Ludlow | Canada (Ontario) | Murchisonia loganii (155723) Murchisonia loganii, Murchisonia macrospira (14196) Murchisonia macrospira (154346) |