''Hypothalassia'' is a genus of temperate and tropical deep sea crabs that are found in both Australian and Japanese waters. It comprises two species: ''

Hypothalassia acerba ''Hypothalassia acerba'' is a large crab found in the muddy substrates of the deep seas off the southwestern Australian and New Zealand coasts. Australian distribution, which is correlated to depth and temperature, ranges from a latitude as fa ...

'' Koh & Ng, 2000, and ''

Hypothalassia armata ''Hypothalassia'' is a genus of temperate and tropical deep sea crabs that are found in both Australian and Japanese waters. It comprises two species: '' Hypothalassia acerba'' Koh & Ng, 2000, and '' Hypothalassia armata'' (De Haan, 1835), both k ...

'' (De Haan, 1835), both known as the champagne crab.

References

Eriphioidea Decapod genera {{Eriphioidea-stub