Antiguraleus rishworthi is an extinct species of sea snail, a marine gastropod mollusk in the family Mangeliidae.
[1] A.G. Beu (2009) adopted Probebela for all the southern hemisphere taxa previously referred to Antiguraleus.
[2] The length of the shell attains 4.8 mm (0.19 in), its diameter 2.9 mm (0.11 in).
This extinct marine species occurred in the North Island, New Zealand.