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Taxonomy
Saxicava arnoldi was named by Dickerson (1917). Its type specimen is CAS 388 and is a 3D body fossil. Its type locality is CAS loc. 181, Cowlitz River, 4mi E. of Vader, which is in an Eocene coastal sandstone/conglomerate in Washington. It is the type species of Mya (Antiguamya).
It was recombined as Mya (Antiguamya) arnoldi by Effinger (1938).
It was recombined as Mya (Antiguamya) arnoldi by Effinger (1938).
Sister species lacking formal opinion data
Synonymy list
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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.
†Mya (Antiguamya) arnoldi Dickerson 1917
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Sanchez Roig 1926 | |||||
Age range: Late/Upper Eocene or 37.71000 to 33.90000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Eocene | USA (Washington) | Saxicava arnoldi (type locality: 4900) | |
| Priabonian | USA (Washington) | Mya arnoldi (40733) |