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Taxonomy
Mactra (Mactrella) darienensis was named by Dall (1898). It is a 3D body fossil.
It was recombined as Mactra darienensis by Brown and Pilsbry (1911) and Beal (1948); it was recombined as Eopapyrina darienensis by Woodring (1982).
It was recombined as Mactra darienensis by Brown and Pilsbry (1911) and Beal (1948); it was recombined as Eopapyrina darienensis by Woodring (1982).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1898 | Mactra (Mactrella) darienensis Dall p. 895 |
| 1911 | Mactra darienensis Brown and Pilsbry p. 371 |
| 1948 | Mactra darienensis Beal |
| 1982 | Eopapyrina darienensis Woodring p. 649 |
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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.
†Eopapyrina darienensis Dall 1898
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Sanchez Roig 1926, Aberhan et al. 2004 | |||||
Age range: base of the Late/Upper Eocene to the top of the Early/Lower Miocene or 37.71000 to 15.98000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Eocene | Panama | Eopapyrina darienensis (42527 42528 42531 42532 42533 42534 42538) | |
| Early/Lower Miocene | Mexico (Baja California Sur) | Mactra darienensis (43803) |