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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Penitella richardsoni
Taxonomy
Penitella richardsoni was named by Kennedy (1989). It is extant.
Synonymy list
| Year | Name and author |
|---|---|
| 1989 | Penitella richardsoni Kennedy p. 316 |
| 2000 | Penitella richardsoni Coan et al. p. 506 |
| 2021 | Penitella richardsoni Hendy |
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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.
Penitella richardsoni Kennedy 1989
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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: base of the Middle Pleistocene to the top of the Late/Upper Pleistocene or 0.77400 to 0.01170 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Pleistocene | USA (California) | Zirphaea gabbi (222998) | |
| Middle Pleistocene - Late/Upper Pleistocene | USA (California) | Zirphaea gabbi (222646) | |
| Late/Upper Pleistocene | USA (California) | Zirphaea gabbi (222659 222660 222662 222674) |