Boring species is calcareous materials. California (USA): in burrows in the shells of
Tegula brunnea (Philippi, 1849) occupied by the hermit crab
Pagurus granosimanus (Stimpson, 1859), in shells of
Podesmus macrochisma (Deshayes, 1839), and in low encrusting algae of the genus
Lithothamnion Heydrich, 1897. Vancouver Island (Canada): in shells of living
Hinnites giganteus (J.E. Gray, 1825) [=
Crassadoma gigantea (J.E. Gray, 1825)]. Batangas and Mindoro (Philippines): in shells of
Drupa rubusidaeus Röding, 1798 inhabited by unidentified hermit crabs, dead bivalve shells,
Drupella cornus (Röding, 1798) inhabited by
Dardanus lagopodes (Forskål, 1775), and from shell of
Drupa sp. inhabited by
Calcinus gaimardii (H. Milne-Edwards, 1848).