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Thaisidae
Taxonomy
Thaisidae was named by Dall. It is extant.
It was assigned to Rachigdossa by Olsson (1931); and to Neogastropoda by Addicott (1970).
It was assigned to Rachigdossa by Olsson (1931); and to Neogastropoda by Addicott (1970).
Subtaxa