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Perissolax
Taxonomy
Perissolax was named by Gabb (1861) [Sepkoski's age data: T Than T Eo-l Sepkoski's reference number: 700].
It was assigned to Ficidae by Gardener (1940); and to Neotaenioglossa by Sepkoski (2002).
It was assigned to Ficidae by Gardener (1940); and to Neotaenioglossa by Sepkoski (2002).
Species
Synonymy list
Year | Name and author |
---|---|
1861 | Perissolax Gabb |
1940 | Perissolax Gardener |
2002 | Perissolax Sepkoski |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: f = family, c = class | |||||
References: Hendy et al. 2009, Kiessling 2004 |
Age range: base of the Maastrichtian to the top of the Thanetian or 72.10000 to 56.00000 Ma
Collections (12 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Late/Upper Campanian | USA (Tennessee) | P. whitfieldi (88357) | |
Maastrichtian | Mexico (Baja California) | P. sp. (158099) | |
Paleocene | USA (California) | P. n. sp. (190774) | |
Selandian | USA (Alabama) | P. sp. (2919 86182 90606 205499) | |
Thanetian | USA (Alabama) | P. eocensis (80495 90818) | |
Thanetian | USA (New Jersey) | P. trivolva (3113) P. trivolvus (91756) | |
Late/Upper Paleocene | Mexico (Nuevo Leon) | P. diga (42920) |