• Zostera Linnaeus, 1753
• Zostera americana den Hartog, 1970 accepted as Zostera japonica Ascherson & Graebner, 1907
• Zostera angustifolia (Hornemann) Reichenbach, 1845
• Zostera asiatica Miki, 1932
• Zostera caespitosa Miki, 1932
• Zostera capensis Setchell, 1933
• Zostera capricorni Ascherson, 1876
• Zostera caulescens Miki, 1932
• Zostera chilensis (J. Kuo) S.W.L. Jacobs & D.H. Les, 2009
• Zostera ciliata Forsskål, 1775 accepted as Thalassodendron ciliatum (Forsskål) den Hartog, 1970
• Zostera japonica Ascherson & Graebner, 1907
• Zostera marina Linnaeus, 1753
• Zostera mucronata den Hartog, 1970
• Zostera muelleri Irmisch ex Ascherson, 1867
• Zostera nana Roth, 1827 accepted as Zostera noltei Hornemann, 1832
• Zostera nigricaulis (J. Kuo) S.W.L. Jacobs & D.H. Les, 2009
• Zostera nodosa Ucria, 1793 accepted as Cymodocea nodosa (Ucria) Ascherson, 1870
• Zostera noltei Hornemann, 1832
• Zostera novazelandica Setchell, 1933
• Zostera oceanica Linnaeus, 1767 accepted as Posidonia oceanica (Linnaeus) Delile, 1813
• Zostera polychlamys (J. Kuo) S.W.L. Jacobs & D.H. Les, 2009
• Zostera stipulacea Forsskål, 1775 accepted as Halophila stipulacea (Forsskål) Ascherson, 1867
• Zostera tasmanica Martens ex Ascherson, 1867 accepted as Heterozostera tasmanica (Martens ex Ascherson) den Hartog, 1970
• Zostera uninervis Forsskål, 1775 accepted as Halodule uninervis (Forsskål) Ascherson, 1882
• Zosteraceae Dumortier, 1829
• Zosteractinidae
• Zosteractis Loomis, 1943
• Zosteractis interminata Loomis, 1943
• Zosteraeschna Peters & Theischinger, 2011
• Zosteragathis Sharkey in Sharkey & Chapman, 2017
• Zosteranthidium Michener & Griswold, 1994 accepted as Afranthidium Michener, 1948