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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Rhopalocystis fraga
Taxonomy
Rhopalocystis fraga was named by Chauvel (1971) [= 1971 Rhopalocystis sp.; Chauvel, p. 44, pl. 1 figs. 9, 10.
= 1978 Rhopalocystis sp. A; Chauvel, p. 54.
= 1978 Rhopalocystis sp. B; Chauvel, p. 54, text-fig. 11q.
= 1986 Rhopalocystis sp. A; Chauvel and Régnault, p. 870.
= 1986 Rhopalocystis sp. B; Chauvel and Régnault, p. 870.].
Synonymy list
| Year | Name and author |
|---|---|
| 1971 | Rhopalocystis fraga Chauvel p. 43 figs. pl. 1, figs. 7, 8; pl. 2, fig. 3 |
| 2017 | Rhopalocystis fraga Allaire et al. p. 701 figs. 5.13, 9.1–9.4, 10.2, 10.4 |
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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.
†Rhopalocystis fraga Chauvel 1971
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| N. Allaire et al. 2017 | Rhopalocystis with a small, stocky, strawberryshaped theca, composed of six circlets of plates, one basal plate, one circlet of infralaterals (four plates), one circlet of laterals (six plates), three circlets of radials (columns of three plates). Basal wider than high; thecal plates convex, with facultative small ornamentation folds (granulations). |
Measurements
No measurements are available
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| Source: g = genus, c = class, p = phylum | |||||
| References: Hendy et al. 2009, Aberhan et al. 2004, Aberhan 1992 | |||||
Age range: Tremadocian or 486.85000 to 477.10000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Tremadocian | Morocco (Zagora) | Rhopalocystis fraga (182907 197256 197257) |