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Taxonomy
Arca glacialis was named by Gray (1824) [DISTRIBUTION: Arctic (Recent); Newfoundland-Vermont (Pleistocene)]. It is extant. It is the type species of Portlandia.
It was recombined as Nucula glacialis by Wood (1828); it was recombined as Yoldia (Portlandia) glacialis by Richards (1962); it was recombined as Bathyarca glacialis by Rosenberg (2005); it was recombined as Portlandia glacialis by Mörch (1857), Hendy et al. (2008).
It was recombined as Nucula glacialis by Wood (1828); it was recombined as Yoldia (Portlandia) glacialis by Richards (1962); it was recombined as Bathyarca glacialis by Rosenberg (2005); it was recombined as Portlandia glacialis by Mörch (1857), Hendy et al. (2008).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1824 | Arca glacialis Gray p. 244 |
| 1828 | Nucula glacialis Wood p. 45 |
| 1857 | Portlandia glacialis Mörch p. 21 |
| 1962 | Yoldia (Portlandia) glacialis Richards p. 52 |
| 2005 | Bathyarca glacialis Rosenberg |
| 2008 | Portlandia glacialis 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.
Bathyarca glacialis Gray 1824
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family | |||||
| References: Sanchez Roig 1926, Mikkelsen and Bieler 2008 | |||||
Age range: base of the Early/Lower Pleistocene to the top of the Holocene or 2.58000 to 0.00000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Pleistocene | Greenland | Bathyarca glacialis (75092 75099) | |
| Holocene | Canada (Nunavut) | Bathyarca glacialis (48463) |