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Placidea
Taxonomy
Placidea was named by Schneider (1956) [Sepkoski's age data: P l P Tatr Sepkoski's reference number: 1066]. Its type is Amphissites lutkevichi. It is the type genus of Placideidae.
It was assigned to Placideidae by Schneider (1956), Benson et al. (1961) and Crasquin-Soleau (1997); and to Palaeocopida by Sepkoski (2002).
It was assigned to Placideidae by Schneider (1956), Benson et al. (1961) and Crasquin-Soleau (1997); and to Palaeocopida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1956 | Placidea Schneider p. 95 |
| 1961 | Placidea Benson et al. p. Q168 |
| 1997 | Placidea Crasquin-Soleau p. 54 |
| 2002 | Placidea 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.
G. †Placidea Schneider 1956
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†Placidea lutkevichi Spitzharsky 1939
†Placidea petschorensis Schneider 1966
Diagnosis
No diagnoses are available