Diving bell spider is a species of Argyroneta in a family of cribellate, hackled band-producing spiders, within the Araneomorphae infraorder, under the Arachnida class.
The diving bell spider or water spider (Argyroneta aquatica) is the only species of spider known to live almost entirely under water. It is the only member of the genus Argyroneta. Infraorder: Araneomorphae Class: Arachnida Family: Dictynidae Dictynidae is a family of cribellate, hackled band-producing spiders first described by Octavius Pickard-Cambridge in 1871. 
