• Peniagone Théel, 1882
• Peniagone affinis Théel, 1882
• Peniagone anamesa (Clark, 1920)
• Peniagone atrox Théel, 1882 (uncertain > nomen dubium)
• Peniagone azorica Marenzeller von, 1892
• Peniagone bispiculata Clark, 1920 (uncertain > nomen dubium)
• Peniagone challengeri Théel, 1882
• Peniagone coccinea Rogacheva & Gebruk in Rogacheva et al., 2013
• Peniagone convexa Hansen, 1975 accepted as Psychroplanes convexa (Hansen, 1975)
• Peniagone crozeti Cross & Gebruk in Cross et al., 2009
• Peniagone diaphana (Théel, 1882)
• Peniagone discrepans Sluiter, 1901 accepted as Psychrelpidia discrepans (Sluiter, 1901)
• Peniagone dubia (D'yakonov & Savel'eva in D'yakonov, Baranova & Savel'eva, 1958)
• Peniagone ecalcarea Sluiter, 1901 accepted as Enypniastes ecalcarea (Sluiter, 1901) accepted as Enypniastes eximia Théel, 1882
• Peniagone elongata (Théel, 1879)
• Peniagone expansa Koehler & Vaney, 1905 accepted as Psychroplanes rigida (Théel, 1882)
• Peniagone ferruginea Grieg, 1921
• Peniagone foliacea (Hérouard, 1912) accepted as Psychroplanes obsoleta (Hérouard, 1899)
• Peniagone gracilis (Ludwig, 1893)
• Peniagone herouardi Gebruk, 1988
• Peniagone horrifer Théel, 1882
• Peniagone humilis Hansen, 1975 accepted as Psychroplanes humilis (Hansen, 1975)
• Peniagone incerta (Théel, 1882)
• Peniagone incondita Agatep, 1967 accepted as Rhipidothuria verrucosa (Théel, 1879)
• Peniagone intermedia Ludwig, 1893
• Peniagone islandica Deichmann, 1930
• Peniagone islandicus Deichmann, 1930 accepted as Peniagone islandica Deichmann, 1930
• Peniagone japonica Ohshima, 1915
• Peniagone lacinora Agatep, 1967 accepted as Peniagone purpurea (Théel, 1882)
• Peniagone leander Pawson & Foell, 1986
• Peniagone longipapillata Gebruk, 2008
• Peniagone lugubris Théel, 1882
• Peniagone marecoi Gebruk, 2008
• Peniagone minuta Kremenetskaia & Gebruk in Kremenetskaia et al., 2021
• Peniagone mossmani Vaney, 1908
• Peniagone mus Djakonov, 1949 accepted as Peniagone mus Djakonov, 1952
• Peniagone mus Djakonov, 1952
• Peniagone naresi Théel, 1882 accepted as Amperima naresi (Théel, 1882)
• Peniagone nybelini Madsen, 1953 accepted as Psychroplanes obsoleta (Hérouard, 1899)
• Peniagone obscura Koehler & Vaney, 1905 (uncertain > nomen dubium)
• Peniagone obsoleta (Hérouard, 1899) accepted as Psychroplanes obsoleta (Hérouard, 1899)
• Peniagone papillata Hansen, 1975
• Peniagone pirei Vaney, 1908 (uncertain > nomen dubium)
• Peniagone porcella R. Perrier, 1896
• Peniagone porcellus Perrier R., 1896 accepted as Peniagone porcella R. Perrier, 1896
• Peniagone purpurea (Théel, 1882)
• Peniagone rigida (Thiel, 1882) accepted as Psychroplanes rigida (Théel, 1882)
• Peniagone rosea E. Perrier, 1886 accepted as Amperima rosea (E. Perrier, 1886)
• Peniagone saveljevae Kremenetskaia & Gebruk in Kremenetskaia et al., 2021
• Peniagone setosa Ludwig, 1893 accepted as Peniagone vitrea Théel, 1882
• Peniagone stabilis Koehler & Vaney, 1905 accepted as Psychroplanes rigida (Théel, 1882)
• Peniagone théeli Ekman, 1925 (uncertain > nomen dubium)
• Peniagone thieli Gebruk, 1997
• Peniagone vedeli Hansen, 1956
• Peniagone vexillum Perrier R., 1900 (uncertain > nomen dubium)
• Peniagone vignioni Hérouard, 1901 accepted as Peniagone vignoni Hérouard, 1901
• Peniagone vignoni Hérouard, 1901
• Peniagone vitrea Théel, 1882
• Peniagone vitrea var. setosa Ludwig, 1893 accepted as Peniagone vitrea Théel, 1882
• Peniagone willemoesi (Théel, 1882)
• Peniagone wiltoni Vaney, 1908
• Peniagone wyvillii Théel, 1882