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Taxonomy
Linucula was named by Marwick (1931) [Sepkoski's age data: T Ol-l R Sepkoski's reference number: 899]. It is extant.
It was reranked as Nucula (Linucula) by Marwick (1931) and Huber (2010).
It was assigned to Nuculoida by Sepkoski (2002); to Nuculidae by Spencer et al. (2004); and to Nucula by Marwick (1931) and Huber (2010).
It was reranked as Nucula (Linucula) by Marwick (1931) and Huber (2010).
It was assigned to Nuculoida by Sepkoski (2002); to Nuculidae by Spencer et al. (2004); and to Nucula by Marwick (1931) and Huber (2010).
Subtaxa
Species lacking formal opinion data
Linucula delli, Nucula angusta, Nucula aptera, Nucula calliope, Nucula cipleyensis, Nucula ciplyensis, Nucula cochlear, Nucula dasa, Nucula defuniak, Nucula dixoni, Nucula eudorae, Nucula fritschi, Nucula guillermensis, Nucula indica, Nucula mametschinskensis, Nucula meadinga, Nucula microconcentrica, Nucula otamatea, Nucula percrassa, Nucula planata, Nucula potomacensis, Nucula praelongata, Nucula pulchra, Nucula rivulana, Nucula sagittata, Nucula silicea, Nucula stachei, Nucula subtrigona, Nucula waiaotea, Nucula waiotea
Synonymy list
| Year | Name and author |
|---|---|
| 1931 | Linucula Marwick |
| 1931 | Nucula (Linucula) Marwick p. 49 |
| 2002 | Linucula Sepkoski |
| 2004 | Linucula Spencer et al. |
| 2010 | Nucula (Linucula) Huber p. 85 |
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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.
Subg. Nucula (Linucula) Marwick 1931
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Linucula recens Dell 1956
Nucula (Linucula) pisum Sowerby 1833
†Nucula (Linucula) tutamoensis Marwick 1931
†Nucula (Linucula) waipaoa Marwick 1931
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Mikkelsen and Bieler 2008, Aberhan et al. 2004 | |||||
Age range
Maximum range based only on fossils: base of the Otaian to the top of the Holocene or 21.70000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 20.44 Ma
Minimum age of oldest fossil (stem group age): 20.44 Ma
Collections (12 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Oligocene - Early/Lower Miocene | Antarctica | Linucula sp. (181568) | |
| Aquitanian | New Zealand | Linucula sp. (146345) | |
| Early/Lower Miocene | New Zealand (Waikato) | Linucula sp. (45004) | |
| Early/Lower Miocene | New Zealand (Dannevirke) | Linucula sp. (35650) | |
| Otaian | New Zealand (Auckland) | Nucula waiaotea (84915) | |
| Altonian | New Zealand | Nucula n. sp. (67898) Nucula waiotea (67900) | |
| Waiauan | New Zealand | Linucula delli (63089 63090) | |
| Waipipian | New Zealand | Nucula aptera (87884) | |
| Holocene | Argentina | Linucula pisum (71601 71603) |