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Cancrinelloides curvatus
Taxonomy
Productus curvatus was named by Tolmatchew (1912).
It was recombined as Cancrinella curvata by Kashirtsev (1959); it was recombined as Stepanoviella curvata by Ustritsky and Chernyak (1963) and Nakamura et al. (1987); it was recombined as Cancrinelloides curvatus by Sarycheva (1977) and Abramov and Grigorieva (1988).
It was recombined as Cancrinella curvata by Kashirtsev (1959); it was recombined as Stepanoviella curvata by Ustritsky and Chernyak (1963) and Nakamura et al. (1987); it was recombined as Cancrinelloides curvatus by Sarycheva (1977) and Abramov and Grigorieva (1988).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1912 | Productus curvatus Tolmatchew |
| 1959 | Cancrinella curvata Kashirtsev p. 40 figs. Pl 16, figs 2,3 |
| 1960 | Stepanoviella tenuissimostriata Zavodovsky |
| 1963 | Stepanoviella curvata Ustritsky and Chernyak p. 87 figs. Pl 15, figs 12,13; pl 16, fig 3 |
| 1977 | Cancrinelloides curvatus Sarycheva p. 150 figs. Pl 24, figs 1-3; text-fig 85 |
| 1987 | Stepanoviella curvata Nakamura et al. |
| 1988 | Cancrinelloides curvatus Abramov and Grigorieva p. 128 figs. Pl 12, figs 8-10,12,13 |
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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.
†Cancrinelloides curvatus Tolmatchew 1912
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Invalid names: Stepanoviella tenuissimostriata Zavodovsky 1960 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Williams et al. 2000, Aberhan et al. 2004 | |||||
Age range: base of the Roadian to the top of the Capitanian or 272.30000 to 259.51000 Ma
Collections (19 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Roadian | Russian Federation | Cancrinelloides curvatus (81159 81160 81161 100527 100528) | |
| Wordian | Russian Federation | Cancrinella curvata (98118) Stepanoviella curvata (119315 119359 119362) | |
| Capitanian | Russian Federation | Cancrinelloides curvatus (86576 94874 100451 100524 110290 117360 117401 117402 123920) | |
| Wuchiapingian | Svalbard and Jan Mayen | Stepanoviella curvata (117553) |