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Nipponithyris
Taxonomy
Nipponithyris was named by Yabe and Hatai (1934) [Sepkoski's age data: T Mi R Sepkoski's reference number: 1]. It is extant. Its type is Nipponithyris nipponensis. It is the type genus of Nipponithyridinae.
It was assigned to Terebratulida by Sepkoski (2002); and to Nipponithyridinae by Williams et al. (2006).
It was assigned to Terebratulida by Sepkoski (2002); and to Nipponithyridinae by Williams et al. (2006).
Species
Synonyms
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Synonymy list
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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. Nipponithyris Yabe and Hatai 1934
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Nipponithyris afra Cooper 1973
†Nipponithyris fijiensis Elliott 1960
Nipponithyris lauensis Bitner 2008
Nipponithyris nipponensis Yabe and Hatai 1934
†Nipponithyris notoensis Hatai 1940
†Nipponithyris snisiyamai Hatai 1948
†Nipponithyris tayaensis Hatai 1948
†Nipponithyris yabei Hatai 1939
Invalid names: Dicrosia Cooper 1978 [synonym], Isumithyris Hatai 1948 [synonym], Miyakothyris [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| height | 1 | 5.50 | - | - | - | - | |
| shell height | 8 | 5.20 | 3.90 | 6.50 | 5.40 | 0.941 |
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| Source: f = family, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range
Maximum range based only on fossils: base of the Langhian to the top of the Middle Pleistocene or 15.97000 to 0.12900 Ma
Minimum age of oldest fossil (stem group age): 13.82 Ma
Minimum age of oldest fossil (stem group age): 13.82 Ma
Collections (13 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Langhian | Japan | N. nipponensis (190757) | |
| Serravallian | Japan | Miyakothyris subovata (190762) | |
| Zanclean | Fiji | Dicrosia fijiensis (186809 186810 186811 186812 186813 186814 186819) | |
| Gelasian | Japan | N. notoensis (190755) | |
| Calabrian | Japan | Isumithyris kazusaensis (233106) N. tayaensis, N. snisiyamai (233105) | |
| Middle Pleistocene | Japan | N. yabei (190675) |