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Diacria
Taxonomy
Diacria was named by Gray (1847) [Sepkoski's age data: T Mi-m R Sepkoski's reference number: 2,83]. It is extant.
It was reranked as Hyala (Diacria) by Bronn (1962).
It was assigned to Cavolinidae by Woodring (1928); to Hyala by Bronn (1962); to Cavoliniinae by Zorn (1997) and Beesley (1998); to Thecosomata by Sepkoski (2002); and to Cavoliniidae by Todd (2001) and Janssen et al. (2008).
It was reranked as Hyala (Diacria) by Bronn (1962).
It was assigned to Cavolinidae by Woodring (1928); to Hyala by Bronn (1962); to Cavoliniinae by Zorn (1997) and Beesley (1998); to Thecosomata by Sepkoski (2002); and to Cavoliniidae by Todd (2001) and Janssen et al. (2008).
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. Diacria Gray 1847
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†Diacria mbaensis Ladd 1934
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Invalid names: Clio asphaltodes Beets 1943 [synonym], Diacria kipasiformis Beets 1943 [synonym]
Diagnosis
No diagnoses are available