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Rhynchonelloidea cynica
Taxonomy
Rhynchonella cynica was named by Buckman (1895).
It was synonymized subjectively with Rhynchonella meridionalis by Ager (1967); it was recombined as Rhynchonelloidea cynica by Ager (1956), Hollingworth et al. (1990) and Alméras et al. (1996).
It was synonymized subjectively with Rhynchonella meridionalis by Ager (1967); it was recombined as Rhynchonelloidea cynica by Ager (1956), Hollingworth et al. (1990) and Alméras et al. (1996).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1895 | Rhynchonella cynica Buckman p. 451 |
| 1917 | Rhynchonella abbatiae Rollier p. 112 |
| 1956 | Rhynchonelloidea cynica Ager p. 43 figs. Pl 4, figs 6a-c, 7a-c |
| 1990 | Rhynchonelloidea cynica Hollingworth et al. figs. Pl 3, fig 9 |
| 1996 | Rhynchonelloidea cynica Alméras et al. p. 153 figs. Pl 1, fig 20 |
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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.
†Rhynchonelloidea cynica Buckman 1895
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Invalid names: Rhynchonella abbatiae Rollier 1917 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 4 | 11.6 | 7.90 | 16.8 | 12.0 | 4.25 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Oxynotum to the top of the Late/Upper Toarcian or 196.50000 to 175.60000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Oxynotum | United Kingdom (Somerset) | Rhynchonelloidea cynica (159473) | |
| Levesquei | Portugal | Rhynchonelloidea cynica (150299) | |
| Late/Upper Toarcian | United Kingdom (Dorset) | Rhynchonella cynica (159261) |