Arbocuspis bicornis was first described from Ceylon. It has also been recorded from the west Atlantic (Brazil)
Original description: Membranipora bellula var α (bicornis) Hincks, 1881
Locality: Ceylon.
Holotype: NHMUK 1899.5.1.691
Rosso, Sciuto, Sanfilippo & Spencer Jones, 2017 (Zootaxa).