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Nipponirhynchia
Taxonomy
Nipponirhynchia was named by Yanagida and Nishikawa (1984) [Sepkoski's age data: P Sakm-l Sepkoski's reference number: 881]. Its type is Nipponirhynchia shutoi. It is the type genus of Nipponirhynchiinae.
It was assigned to Rhynchonellida by Sepkoski (2002); and to Nipponirhynchiinae by Williams et al. (2002).
It was assigned to Rhynchonellida by Sepkoski (2002); and to Nipponirhynchiinae by Williams et al. (2002).
Species
N. kamiyassensis, N. shutoi (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1984 | Nipponirhynchia Yanagida and Nishikawa p. 163 |
| 2002 | Nipponirhynchia Sepkoski |
| 2002 | Nipponirhynchia Williams et al. p. 1260 |
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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.
G. †Nipponirhynchia Yanagida and Nishikawa 1984
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†Nipponirhynchia kamiyassensis Tazawa and Shintani 2014
†Nipponirhynchia shutoi Yanagida and Nishikawa 1984
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 15.1 | 11.0 | 21.7 | 14.5 | 5.46 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||