Abstract
Species of Metaxia Monterosato are shown to be dextrally coiled, cerithiopsid‐like members of the Triforidae, a family of normally sinistrally coiling species. Socienna exaltata (Powell) is referred to Metaxia; M. kermadecensis n.sp. is described from off the Kermadec Islands; and the South Australian Seilarex attenuata (Hedley) is shown to be closely related. On shell, opercular, and radular characters a new subfamily—Metaxiinae—is erected for their accommodation.

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