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Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Ptyctorhynchia
Taxonomy
Ptyctorhynchia was named by Buckman (1917) [Sepkoski's age data: J Toar J Bajo Sepkoski's reference number: 1091]. Its type is Ptyctorhynchia pentaptycha.
It was assigned to Ivanoviellinae by Williams et al. (2002); and to Rhynchonellida by Sepkoski (2002).
It was assigned to Ivanoviellinae by Williams et al. (2002); and to Rhynchonellida by Sepkoski (2002).
Species
P. pentaptycha (type species)
Synonymy list
Year | Name and author |
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1917 | Ptyctorhynchia Buckman p. 47 |
2002 | Ptyctorhynchia Sepkoski |
2002 | Ptyctorhynchia Williams et al. p. 1296 |
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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.
Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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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: Nesnidal et al. 2013, Aberhan et al. 2004 |
Age range: base of the Late/Upper Toarcian to the top of the Opalinum or 180.10000 to 171.60000 Ma
Collections (8 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Late/Upper Toarcian | France | P. pentaptycta (124182 124185 124187) | |
Late/Upper Toarcian | France (Deux-Sevrès) | P. pentaptycha (140883) | |
Opalinum | France | P. pentaptycta (140854) | |
Aalenian | United Kingdom | P. pentaptycha (159749 159750) Rhynchonella pentaptycha (159748) |