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Toucasia
Taxonomy
Toucasia was named by Munier-Chalmas (1873) [Sepkoski's age data: K Haut K Coni-u Sepkoski's reference number: 972]. It is not extant.
It was assigned to Requieniidae by Hayami (1975); to Hippuritoida by Sepkoski (2002); and to Requieniinae by Skelton (2013).
It was assigned to Requieniidae by Hayami (1975); to Hippuritoida by Sepkoski (2002); and to Requieniinae by Skelton (2013).
Species
Species lacking formal opinion data
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.
Diagnosis
No diagnoses are available