Bositra backlundi (FOSSIL) Wittenburg, 1910 †
Bositra borealis (FOSSIL) Kurushin & Truschelev,1989 †
Bositra buchi (FOSSIL) (F.A. Roemer, 1836 †)
Bositra circularis (FOSSIL) Hsu, 1937 †
Bositra inflata (FOSSIL) Kurushin & Truschelev,1989 †
Bositra jakutica (FOSSIL) Kurushin & Truschelev 1989 †,
Bositra limbata (FOSSIL) H. Guo, 1985 †
Bositra mimer (FOSSIL) (Oberg 1877) †
Bositra mimer (FOSSIL) (Oeberg 1877 †)
Bositra popowi (FOSSIL) Bytschkov 1976 †
Bositra sibirica (FOSSIL) Kurushin, 1980 †
Bositra sossunovi (FOSSIL) Bytschkov & Efimova 1968 †,
Bositra taimyrensis (FOSSIL) Kurushin, 1980 †
Bositra tenuissima (FOSSIL) Bohm, 1912 †
Bositra tompoensis (FOSSIL) Kurushin & Truschelev,1989 †
Posidonia aranea (FOSSIL) (Tozer, 1961 †)
Posidonia becheri (FOSSIL) H.G. Bronn, 1828 †
Posidonia blatchleyi (FOSSIL) W.M. Gabb, 1869 †
Posidonia daytonensis (FOSSIL) W.M. Gabb, 1864 †
Posidonia dianensis (FOSSIL) H. Guo, 1985 †
Posidonia insignis (FOSSIL) (J.W. Jackson, 1927 †)
Posidonia jacksoni (FOSSIL) Smith, 1927 †
Posidonia kochi (FOSSIL) (A. von Koenen, 1879 †)
Posidonia madisonensis (FOSSIL) Smith, 1927 †
Posidonia membranacea (FOSSIL) (F. McCoy, 1844 †)
Posidonia olenekensis (FOSSIL) A.M. Popov, 1964 †
Posidonia plicata (FOSSIL) (de Koninck, 1885 †)
Posidonia semiundata (FOSSIL) H. Guo, 1985 †
Posidonia somaliensis (FOSSIL) Cox, 1935 †
Posidonia stella (FOSSIL) (W.M. Gabb, 1864 †)
Posidonia venusta (FOSSIL) Münster, 1841 †
Posidonia wengensis (FOSSIL) Wissmann, 1841 †
Posidonotis semiplicata (FOSSIL) (A. Hyatt, 1894 †)
Pterohalobia productalata (FOSSIL) H. Guo, 1985 †