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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Platyacra
Taxonomy
Platyacra is a genus. It is not extant. It is the type genus of Platyacridae.
It was assigned to Platyacridae by Wenz (1938); to Archaeogastropoda by Sepkoski (2002); and to Platyacrinae by Bouchet et al. (2005).
It was assigned to Platyacridae by Wenz (1938); to Archaeogastropoda by Sepkoski (2002); and to Platyacrinae by Bouchet et al. (2005).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1938 | Platyacra Wenz p. 133 |
| 2002 | Platyacra Sepkoski |
| 2005 | Platyacra Bouchet et al. pp. 133, 244 |
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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
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 2 | 22.8 | 16.1 | 32.4 | 24.2 | 11.5 |
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| Source: supero = superorder, c = class | |||||
| References: Hendy et al. 2009, Kiessling 2004 | |||||
Age range: base of the Rhaetian to the top of the Middle Oxfordian or 205.70000 to 154.80000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Rhaetian | Peru | P. sp. (68096) | |
| Angulata | Luxembourg | P. sinistrorsus (149756) | |
| Angulata | France (Lorraine) | Trochus sinistrorsus (53947) | |
| Hettangian - Sinemurian | Germany | P. sp. (236987) | |
| Middle Oxfordian | France | Asperilla stellata (11085) |