Bichoristes McLean, 1992

Herbert, David G., 2024, The Vetigastropoda (Mollusca) of Walters Shoal, with descriptions of two new genera and thirty new species, European Journal of Taxonomy 923, pp. 1-119 : 37

Genus Bichoristes McLean, 1992

Type species

Bichoristes wareni McLean, 1992 (original designation), Recent, Norfolk Ridge.

Remarks

Bichoristes is a monotypic genus and is the only choristellid in which the shell is planispiral rather than helically coiled. However, the jaw and radula closely resemble those of other choristellid genera ( McLean 1992) and thus like them, B. wareni is assumed to live within spent elasmobranch egg cases and to feed on decomposing bacteria growing on the inner egg case wall.