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Taxonomy
Arca symmetrica was named by Reeve (1844). It is extant.
It was recombined as Arca (Barbatia) symmetrica by Nomura and Zinbo (1934); it was recombined as Striarca (Arcopsis) symmetrica by Amano (2000); it was recombined as Arcopsis symmetrica by Okutaini (2000).
It was recombined as Arca (Barbatia) symmetrica by Nomura and Zinbo (1934); it was recombined as Striarca (Arcopsis) symmetrica by Amano (2000); it was recombined as Arcopsis symmetrica by Okutaini (2000).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1844 | Arca symmetrica Reeve |
| 1934 | Arca (Barbatia) symmetrica Nomura and Zinbo |
| 2000 | Striarca (Arcopsis) symmetrica Amano |
| 2000 | Arcopsis symmetrica Okutaini p. 855 |
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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.
Arcopsis symmetrica Reeve 1844
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class | |||||
| References: Aberhan et al. 2004, Sanchez Roig 1926 | |||||
Collections (9 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Pliocene | Japan | Striarca symmetrica (97076 97078) | |
| Pleistocene | Japan | Striarca symmetrica (97028) | |
| Late/Upper Pleistocene | Japan | Arca symmetrica (88886 96943 96945) Striarca symmetrica (97961) | |
| Holocene | Mayotte | Striarca symmetrica (209863 209864) |