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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Macron merriami
Taxonomy
Macron merriami was named by Arnold (1907). Its type specimen is USNM 164982, a shell, and it is a 3D body fossil. Its type locality is Head of Topanga Canyon (Arnold 1907), which is in a Miocene coastal siliciclastic in the Topanga Canyon Formation of California.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1907 | Macron merriami Arnold p. 529 figs. Plate XLI, figs 4 and 4a |
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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.
†Macron merriami Arnold 1907
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: Middle Miocene or 15.98000 to 11.63000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Miocene | USA (California) | Macron merriami (type locality: 237493) |