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Portlandia arctica
Taxonomy
Nucula arctica was named by Gray (1824) [HISTORY: Type species by original designation of Portlandia Mörch 1857 [Coan et al. 2000].]. It is extant. It is the type species of Yoldia.
It was recombined as Yoldia arctica by Möller (1842), Lintz (1958); it was recombined as Portlandia arctica by Mörch (1857), Hendy et al. (2008).
It was recombined as Yoldia arctica by Möller (1842), Lintz (1958); it was recombined as Portlandia arctica by Mörch (1857), Hendy et al. (2008).
Sister species lacking formal opinion data
P. clara, P. daria, P. deshayesiana, P. dvalii, P. furcata, P. gratiosa, P. iwatensis, P. izumensis, P. lenticula, P. obliquistriata, P. ogasawarai, P. ovata, P. sanchuensis, P. sphaerica, P. thraciaeformis, P. watasei, P. watasei, P. hayasakai, P. cuneistriata, P. hayasakai, P. japonica, P. lischkei, P. toyamaensis, P. carolimartini, P. watasei, P. watasei, P. curvirostris, P. pygmaea, P. pygmaea, Yoldia siliqua
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1824 | Nucula arctica Gray p. 241 |
| 1842 | Yoldia arctica Möller p. 18 |
| 1855 | Nucula portlandica Reeve p. 396 |
| 1857 | Portlandia arctica Mörch |
| 1958 | Yoldia arctica Lintz p. 109 |
| 2008 | Portlandia arctica Hendy et al. |
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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.
Portlandia arctica Gray 1824
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Invalid names: Nucula portlandica Reeve 1855 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Hendy et al. 2009, Aberhan et al. 2004 | |||||
Age range: base of the Early/Lower Pleistocene to the top of the Holocene or 2.58000 to 0.00000 Ma
Collections (48 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Pleistocene | Greenland | Portlandia arctica (75091 75092 75099 75101 75103) | |
| Pleistocene | Canada (Ontario) | Portlandia arctica (65217 65253 65331 65336 65476 65826 65894 66093 66124) | |
| Pleistocene | Canada (Quebec) | Portlandia arctica (65233 65339) | |
| Quaternary | Greenland (Svartenhuk) | Portlandia arctica (226637) | |
| Middle Pleistocene | Greenland | Portlandia arctica (75197 75200) | |
| Middle Pleistocene (late glacial) | Canada (New Brunswick) | Portlandia arctica (210895) | |
| Late/Upper Pleistocene | USA (Maine) | Portlandia arctica (75073 80131) | |
| Late/Upper Pleistocene | Greenland | Portlandia arctica (75121 75127 75130 75132 75133 75135 75175) | |
| Late/Upper Pleistocene | Canada (Nova Scotia) | Portlandia arctica (75074) | |
| Late/Upper Pleistocene | Poland | Portlandia arctica (64121 64122 64123) | |
| Late/Upper Pleistocene | Greenland (Disko Island) | Portlandia arctica (227044) | |
| Late/Upper Pleistocene | Canada (New Brunswick) | Portlandia arctica (75072) | |
| Holocene | Greenland | Portlandia arctica (75202 75204 75205 75207 75209 75213 75220) | |
| Holocene | Canada (Nunavut) | Portlandia arctica (48463 48464 48465 74986 74988 74990) |