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Ptyctorhynchia pentaptycha
Taxonomy
Rhynchonella pentaptycha was named by Buckman (1910). It is the type species of Ptyctorhynchia.
It was recombined as Ptyctorhynchia pentaptycha by Shi and Grant (1993).
It was recombined as Ptyctorhynchia pentaptycha by Shi and Grant (1993).
Synonymy list
| Year | Name and author |
|---|---|
| 1910 | Rhynchonella pentaptycha Buckman p. 103 figs. Pl. 12, Fig. 19-20 |
| 1993 | Ptyctorhynchia pentaptycha Shi and Grant p. 34 figs. 20-21; Pl. 1, Fig. 1-3 |
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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.
†Ptyctorhynchia pentaptycha Buckman 1910
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| height | 3 | 8.49 | 8.20 | 9.10 | 8.20 | 0.520 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Late/Upper Toarcian to the top of the Aalenian or 180.10000 to 170.30000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Toarcian | France (Deux-Sevrès) | Ptyctorhynchia pentaptycha (140883) | |
| Aalenian | United Kingdom | Ptyctorhynchia pentaptycha (159749 159750) Rhynchonella pentaptycha (159748) |