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Nucleospira
Taxonomy
Nucleospira was named by Hall (1859). Its type is Spirifer ventricosus.
It was assigned to Spiriferacea by Kirk and Amsden (1952); to Spiriferida by Sepkoski (2002); and to Nucleospiridae by Talent (1963), Bassett and Cocks (1974), Jones (1982), Jin and Chatterton (1997), Musteikis and Modzalevskaya (2002) and Williams et al. (2002).
It was assigned to Spiriferacea by Kirk and Amsden (1952); to Spiriferida by Sepkoski (2002); and to Nucleospiridae by Talent (1963), Bassett and Cocks (1974), Jones (1982), Jin and Chatterton (1997), Musteikis and Modzalevskaya (2002) and Williams et al. (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1859 | Nucleospira Hall |
| 1952 | Nucleospira Kirk and Amsden |
| 1963 | Nucleospira Talent p. 49 |
| 1974 | Nucleospira Bassett and Cocks |
| 1982 | Nucleospira Jones p. 1393 |
| 1997 | Nucleospira Jin and Chatterton |
| 2002 | Nucleospira Musteikis and Modzalevskaya |
| 2002 | Nucleospira Sepkoski |
| 2002 | Nucleospira Williams et al. p. 1579 |
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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. †Nucleospira Hall 1859
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†Nucleospira bellornata Talent 1963
†Nucleospira concinna Hall 1843
†Nucleospira cunctata Cooper and Grant 1976
†Nucleospira hecetensis Kirk and Amsden 1952
†Nucleospira lentilca Havlicek 1990
†Nucleospira pisum Sowerby 1839
†Nucleospira subsphaerica Johnson 1970
†Nucleospira superata Easton 1962
†Nucleospira ventricosa Hall 1857
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 34 | 2.15 | 0.700 | 4.90 | 2.40 | 1.17 | |
| valve height | 2 | 3.13 | 2.71 | 3.61 | 3.16 | 0.632 |
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| Source: g = genus, subo = suborder, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013, Hendy 2009 | |||||
Collections (459 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Silurian | USA (Oklahoma) | N. sp. (528) | |
| Silurian | Australia (Victoria) | N. sp. (10187 10191) | |
| Silurian | USA (Indiana) | N. pisiformis (75266) | |
| Llandovery | United Kingdom (Wales) | N. sp. (465) | |
| Llandovery | China (Sichuan) | N. sp. (25734) | |
| Llandovery | China | N. sp. (25811) | |
| Llandovery | USA (Nevada) | N. sp. (467) | |
| Llandovery | USA (New York) | N. sp. (462 463) | |
| Llandovery - Wenlock | Venezuela | N. sp. (25066) | |
| Aeronian - Telychian | China | N. sp. (197405) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Tournaisian | USA (Illinois) | N. minima (5808) | |
| Kinderhookian - Osagean | USA (Nevada) | N. sp. (5752) | |
| Osagean | USA (New Mexico) | N. sp. (553) | |
| Chadian | USA (Tennessee) | N. rowleyi (6914) | |
| Chadian | USA (Kentucky) | N. sp. (2640 2641 2644) | |
| Chadian - Arundian | USA (Tennessee) | N. rowleyi (6916 6917 6918 6920) | |
| Asbian | Ireland | N. carlukensis (229121) | |
| Chesterian | USA (Montana) | N. sp. (578 581) | |
| Moscovian | Canada (Nunavut) | N. aquilonaris (62696) | |
| Kungurian | USA (Texas) | N. cunctata (43589) | |