Otionellina ampla is found in the Miocene of southern Australia.
Original description: Otionella ampla Bock & Cook, 1998
Locality: Tandarook Bore 1
Type specimen: MOV P303132
Reference: Bock, P.E. & Cook, P.L., 1998. Otionellidae, a new family including five genera of free-living lunulitiform Bryozoa (Cheilostomatida). Memorie di Scienze Geologiche 50: 195-211.