Cheilosporum is a genus of red algae in the family Corallinaceae.

The arrow coralline Cheilosporum sagittatum (Lamouroux) Areschoug is a seaweed of temperate waters of Australia (from Perth, Western Australia, to Coffs Harbour, New South Wales, and around Tasmania).

[2] Arthrocardia corymbosa (Lamarck) Decaisne 1842, syn.

Cheilosporum corymbosum (Lamarck) Decaisne 1842, is a red alga of South Africa (Southern Cape Peninsula eastward).

[3]