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Patelloida gradatus
Taxonomy
Patelloida gradatus was named by Lindberg and Marincovich (1988). Its type specimen is USNM 414578, a shell, and it is a 3D body fossil. Its type locality is USGS Cenozoic M8028, which is in a Miocene marine horizon in the Bear Lake Formation of Alaska.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1988 | Patelloida gradatus Lindberg and Marincovich p. 168 fig. 2a |
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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.
†Patelloida gradatus Lindberg and Marincovich 1988
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Kiessling 2004, Hendy et al. 2009 | |||||
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 (Alaska) | Patelloida gradatus (type locality: 211579) |