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Taxonomy
Byssoarca pacifica was named by Sowerby (1833). It is extant.
It was recombined as Arca (Navicula) pacifica by Grant and IV and Gale (1931); it was recombined as Arca (Arca) pacifica by Reinhart (1943); it was recombined as Arca pacifica by Reeve (1844), Powell (2008), Coan and Valentich-Scott (2012) and Vermeij and Amano (2021).
It was recombined as Arca (Navicula) pacifica by Grant and IV and Gale (1931); it was recombined as Arca (Arca) pacifica by Reinhart (1943); it was recombined as Arca pacifica by Reeve (1844), Powell (2008), Coan and Valentich-Scott (2012) and Vermeij and Amano (2021).
Sister species lacking formal opinion data
A. bellonii, A. bravoensis, A. cancellata, A. carinata, A. gurgitis, A. limatella, A. macnairyensis, A. montensis, A. nana, A. pakistanica, A. pergracilis, A. securiculata, A. tailleburgensis, A. triasina, A. halmyrus, A. montensis, A. fruthi, A. stillicidum, A. mikkula, A. waltonia, A. fracta, A. gabrielis, A. veatchi
Synonymy list
| Year | Name and author |
|---|---|
| 1833 | Byssoarca pacifica Sowerby p. 17 |
| 1844 | Arca pacifica Reeve p. 75 |
| 1931 | Arca (Navicula) pacifica Grant, IV and Gale p. 143 |
| 1943 | Arca (Arca) pacifica Reinhart p. 26 figs. PI. 14, figs. 3, 4 |
| 2008 | Arca pacifica Powell p. 6 |
| 2012 | Arca pacifica Coan and Valentich-Scott p. 162 |
| 2021 | Arca pacifica Vermeij and Amano p. 43 |
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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.
Arca pacifica Sowerby 1833
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family | |||||
| References: Mikkelsen and Bieler 2008, Aberhan et al. 2004 | |||||
Age range: base of the Early/Lower Pliocene to the top of the Late/Upper Pleistocene or 5.33300 to 0.01170 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Pliocene | USA (California) | Arca pacifica (96549 96550 96554) | |
| Pliocene | Ecuador | Arca pacifica (96595) | |
| Late/Upper Pleistocene | Mexico | Arca pacifica (147802) | |
| Late/Upper Pleistocene | Mexico (Baja California Sur) | Arca pacifica (88573) |