Seguenzioidea unplaced: Putilla porcellana (Tate & May, 1900) (‘porcellain false-top-shell’)

Synonym(s): porcellana Tate & May, 1900 pertranslucida May, 1912.
Typical shell-length 1.4 mm. Lives subtidally and offshore under rocks and stones. Native. Endemic to southeastern Australia (NSW, TAS, VIC and SA).