''Arbanitis crispus'' is a species of armoured trap-door spider in the family Idiopidae, and is endemic to New South Wales. It was first described by Władysław Kulczyński in 1908 as ''Dyarcyops birói''. In 2017,

Michael Rix Michael Rix (born 8 January 1981) is a former professional Australian rules footballer who played for the St Kilda Football Club in the Australian Football League (AFL). Originally rookie listed with Hawthorn for the 2004 season, Rix did not ...

and others transferred it to the genus, ''

Arbanitis ''Arbanitis'' is a genus of Australian armored trapdoor spiders that was first described by Ludwig Carl Christian Koch in 1874. Species it contains sixty-one species: *'' A. andrewsi'' ( Hogg, 1902) – Australia (South Australia) *'' A. baehr ...

''. The species epithet honours Ludovico Biro from whose collection it was described.

References

Idiopidae Spiders described in 1908 Spiders of Australia Fauna of New South Wales Taxa named by Władysław Kulczyński {{Mygalomorphae-stub