| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Placochlaenia
Taxonomy
Placochlaenia is a genus. It is not extant.
It was assigned to Hexactinosa by Sepkoski (2002); and to Staurodermatidae by Reid (2004).
It was assigned to Hexactinosa by Sepkoski (2002); and to Staurodermatidae by Reid (2004).
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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. †Placochlaenia
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Bambach et al. 2007, Kiessling 2004 | |||||
Age range: Early/Lower Kimmeridgian or 155.70000 to 150.80000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Kimmeridgian | Portugal | P. sp. (68244) |