Caudinidae Heding, 1931 (basis of record)
Chiridota Eschscholtz, 1829 (additional source)
Chiridota laevis (O. Fabricius, 1780) (additional source)
Chiridotidae Östergren, 1898 (additional source)
Cucumaria de Blainville, 1830 (additional source)
Cucumaria communis Forbes & Goodsir in Forbes, 1841 accepted as Thyonidium drummondii (Thompson, 1840) (additional source)
Cucumaria elongata Düben & Koren, 1846 accepted as Leptopentacta elongata (Düben & Koren, 1846) accepted as Paraleptopentacta elongata (Düben & Koren, 1846) (additional source)
Cucumaria frondosa (Gunnerus, 1767) (additional source)
Cucumaria glacialis Ljungman, 1879 accepted as Ocnus glacialis (Ljungman, 1879) (additional source)
Cucumaria hyndmanni (Wyville Thompson, 1840) accepted as Panningia hyndmanni (W. Thompson, 1840) accepted as Panningia hyndmani (Thompson, 1840) (additional source)
Cucumaria mosterensis Grieg, 1889 accepted as Ocnus lacteus (Forbes & Goodsir, 1839) (additional source)
Cucumaria pentactes of Forbes, 1841 non (Linnaeus, 1767) accepted as Leptopentacta elongata (Düben & Koren, 1846) accepted as Paraleptopentacta elongata (Düben & Koren, 1846) (additional source)
Cucumariidae Ludwig, 1894 (identification resource)
Cucumariidae Ludwig, 1894 (additional source)
Echinocucumis typica M. Sars, 1859 accepted as Echinocucumis hispida (Barrett, 1857) (additional source)
Ekmania Hansen & McKenzie, 1991 (additional source)
Eupyrgus scaber Lütken, 1857 (additional source)
Holothuria drummondii Thompson, 1840 accepted as Thyonidium drummondii (Thompson, 1840) (additional source)
Holothuria frondosa Gunnerus, 1767 accepted as Cucumaria frondosa (Gunnerus, 1767) (additional source)
Holothuria fusus O.F. Müller, 1776 accepted as Thyone fusus (O.F. Müller, 1776) (additional source)
Holothuria lactea Forbes & Goodsir, 1839 accepted as Ocnus lacteus (Forbes & Goodsir, 1839) (additional source)
Laetmogone Théel, 1879 (additional source)
Laetmogone violacea Théel, 1879 (additional source)
Laetmogonidae Ekman, 1926 (additional source)
Leptopentacta Clark, 1938 (additional source)
Leptopentacta elongata (Düben & Koren, 1846) accepted as Paraleptopentacta elongata (Düben & Koren, 1846) (additional source)
Molpadia Cuvier, 1817 (additional source)
Molpadia borealis Sars M, 1859 (additional source)
Molpadiidae J. Müller, 1850 (additional source)
Neopentadactyla Deichmann, 1944 (additional source)
Neopentadactyla mixta (Östergren, 1898) Deichmann, 1944 (additional source)
Ocnus Forbes & Goodsir in Forbes, 1841 (additional source)
Ocnus brunneus (Forbes in Thompson, 1840) (additional source)
Ocnus glacialis (Ljungman, 1879) (additional source)
Ocnus lacteus (Forbes & Goodsir, 1839) (additional source)
Ocnus planci (Brandt, 1835) (additional source)
Orcula Troschel, 1846 accepted as Ekmania Hansen & McKenzie, 1991 (additional source)
Orcula barthii Troschel, 1846 accepted as Ekmania barthii (Troschel, 1846) (additional source)
Panningia Cherbonnier, 1958 (additional source)
Pentacta calcigera Stimpson, 1851 accepted as Pentamera calcigera (Stimpson, 1851) (additional source)
Pentamera Ayres, 1852 (additional source)
Pentamera calcigera (Stimpson, 1851) (additional source)
Phyllophoridae Östergren, 1907 (identification resource)
Pseudocucumis Ludwig, 1875 accepted as Cladolabes Brandt, 1835 (additional source)
Pseudocucumis mixta Östergren, 1898 accepted as Neopentadactyla mixta (Östergren, 1898) Deichmann, 1944 (additional source)
Pseudothyone Panning, 1949 (additional source)
Pseudothyone raphanus (Düben & Koren, 1846) (additional source)
Pseudothyone serrifera (Östergren, 1898) (additional source)
Thyone cherbonnieri Reys, 1959 (additional source)
Thyone flexus Hodge, 1865 accepted as Thyone fusus (O.F. Müller, 1776) (additional source)
Thyone fusus (O.F. Müller, 1776) (additional source)
Thyone gadeana Perrier R., 1898 (additional source)
Thyone raphanus Düben & Koren, 1846 accepted as Pseudothyone raphanus (Düben & Koren, 1846) (additional source)
Thyone serrifera Östergren, 1898 accepted as Pseudothyone serrifera (Östergren, 1898) (source of synonymy)
Thyone subvillosa Hérouard, 1889 accepted as Thyone fusus (O.F. Müller, 1776) (additional source)
Thyone wahrbergi Madsen, 1941 accepted as Thyone gadeana Perrier R., 1898 (additional source)
Thyonidium Düben & Koren, 1846 (additional source)
Thyonidium hyalinum (Forbes, 1841) (additional source)
Thyonidium pellucidum Düben & Koren, 1846, non Vahl, 1808 accepted as Ekmania barthii (Troschel, 1846) (additional source)
Trachythyone auct. [non Studer, 1876] accepted as Leptopentacta Clark, 1938 (additional source)
Trachythyone elongata (Düben & Koren, 1846) accepted as Leptopentacta elongata (Düben & Koren, 1846) accepted as Paraleptopentacta elongata (Düben & Koren, 1846) (basis of record)