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Gastropoda - Trochidae
It was Thalotia (Beraua) by Ladd (1966); it was reranked as Beraua by Sepkoski (2002).
It was assigned to Thalotia by Ladd (1966); to Archaeogastropoda by Sepkoski (2002); and to Cantharidus by Beets (1941), Hendy (2007) and Harzhauser (2007).
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.