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Plaziatia
Taxonomy
Plaziatia was named by Dolin and Lozouet (2004). Its type is Cypraea robertsi.
It was assigned to Cypraeinae by Dolin and Lozouet (2004).
It was assigned to Cypraeinae by Dolin and Lozouet (2004).
Synonymy list
| Year | Name and author |
|---|---|
| 2004 | Plaziatia Dolin and Lozouet pp. 52 - 54 |
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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. †Plaziatia Dolin and Lozouet 2004
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†Plaziatia amandula Dolin and Lozouet 2004
†Plaziatia estotiensis Dolin and Lozouet 2004
†Plaziatia parasigmapertura Dolin and Lozouet 2004
Plaziatia subglobosa Grateloup 1846
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| L. Dolin and P. Lozouet 2004 | la coquille (Fig. 11a-11c) est subglobuleuse, a bords calleux arrondis. La spire est legerement saillante au centre d'une aire pseudombiliquee. Le canal siphonal est canalicule, formant un pontet court clans le plan de la sole ventrale. Le pli terminal est mince, plongeant, horde d'une lamelle longitudinale. La lame interne, courte et maigre, a terminaison en goutte d' eau, fait saillie clans l'ouverture. La fossula est legerement reduite chez I' espece actuelle, mais elle est nettement concave, portant a son bord de rates denticules, peu funicules. Laire columellaire est lisse. Langulation est abattue; les denticules columellaires prenant naissance au niveau de!' angulation, se develop pent abaperturalement sur la sole ventrale qui est regulierement convexe. Le canal exhalant est bien delimite, ouvert adapicalement, et forme un mufle calleux, saillant. La Ievre externe est contractee en son quart anterieur. |
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Kiessling 2004, Hendy et al. 2009 | |||||
Age range
Maximum range based only on fossils: base of the Chattian to the top of the Aquitanian or 27.30000 to 20.45000 Ma
Minimum age of oldest fossil (stem group age): 23.04 Ma
Minimum age of oldest fossil (stem group age): 23.04 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Chattian | France (Aquitaine) | P. amandula (88795) | |
| Chattian | France (Landes) | P. amandula, P. parasigmapertura, P. estotiensis (152689) | |
| Chattian | France | P. parasigmapertura (177708) | |
| Aquitanian | France (Aquitaine) | P. subglobosa (90457) |