- Champia parvula (C.Agardh) Harvey, 1853
- Hooperia divaricata (Durant) M.J.Wynne, C.W.Schneider & G.W.Saunders, 2019
- Lomentaria baileyana (Harvey) Farlow, 1876 accepted as Hooperia divaricata (Durant) M.J.Wynne, C.W.Schneider & G.W.Saunders, 2019
- Lomentaria clavellosa (Lightfoot ex Turner) Gaillon, 1828
- Lomentaria divaricata (Durant) M.J.Wynne, 2013 accepted as Hooperia divaricata (Durant) M.J.Wynne, C.W.Schneider & G.W.Saunders, 2019
- Lomentaria orcadensis (Harvey) Collins, 1937