In Tasmania, this genus includes 11 species, as follows:
Onoba agnewi (Agnew’s rice-shell)
Onoba australiae (Australian rice-shell)
Onoba demessa (mown rice-shell)
Onoba freycineti (Freycinet’s rice-shell)
Onoba multilirata (many-grooved rice-shell)
Onoba perpolita (well-polished rice-shell)
Onoba pertumidus (swollen rice-shell)
Onoba puer (Point Puer rice-shell)
Onoba rubicunda (ruddy rice-shell)
Onoba supracostata (ribbed rice-shell)
Onoba tiara (tiara rice-shell)