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Placocyathus
Taxonomy
Placocyathus was named by Milne-Edwards and Haime (1848) [Sepkoski's age data: T Mi-l T Plio Sepkoski's reference number: 1110].
It was synonymized subjectively with Meandrina by Wells (1956); it was reranked as Meandrina (Placocyathus) by Kiessling (2008).
It was assigned to Scleractinia by Sepkoski (2002); to Meandrina by Kiessling (2008); and to Caryophylliidae by Kiessling (2014).
It was synonymized subjectively with Meandrina by Wells (1956); it was reranked as Meandrina (Placocyathus) by Kiessling (2008).
It was assigned to Scleractinia by Sepkoski (2002); to Meandrina by Kiessling (2008); and to Caryophylliidae by Kiessling (2014).
Species
Synonymy list
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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. †Placocyathus Milne-Edwards and Haime 1848
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†Placocyathus alveolus Duncan 1863
†Placocyathus barretti Duncan 1863
†Placocyathus costatus Duncan 1864
†Placocyathus variabilis Duncan 1864
Diagnosis
No diagnoses are available