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Protorotella
Taxonomy
Protorotella was named by Makiyama (1925) [Sepkoski's age data: T Mi].
It was assigned to Umboniinae by Kiel (2001); and to Archaeogastropoda by Sepkoski (2002).
It was assigned to Umboniinae by Kiel (2001); and to Archaeogastropoda by Sepkoski (2002).
Species lacking formal opinion data
Entered
by J. Sepkoski on 2003-01-23; modified by P. Wagner on 2017-09-10
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.
G. †Protorotella Makiyama 1925
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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: base of the Langhian to the top of the Serravallian or 15.98000 to 11.63000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Langhian | Japan (Toyama) | P. depressa (219252) | |
| Langhian | Japan | P. sp. (44960) | |
| Serravallian | Japan | P. sp. (44962) |