Actinocucumis Ludwig, 1875 (original description)
Actinocucumis typica Ludwig, 1875 (original description)
Chirodota contorta Ludwig, 1875 accepted as Sigmodota contorta (Ludwig, 1875) (original description)
Colochirus australis Ludwig, 1875 accepted as Plesiocolochirus australis (Ludwig, 1875) (original description)
Colochirus minutus Ludwig, 1875 accepted as Plesiocolochirus australis (Ludwig, 1875) (original description)
Colochirus tristis Ludwig, 1875 accepted as Colochirus quadrangularis Troschel, 1846 (original description)
Cucumaria chilensis Ludwig, 1875 accepted as Cucumaria chiloensis Ludwig, 1886 accepted as Pentamera chiloensis (Ludwig, 1886) (basis of record)
Cucumaria exigua Ludwig, 1875 accepted as Eupentacta exigua (Ludwig, 1875) (original description)
Cucumaria fallax Ludwig, 1875 (original description)
Cucumaria ignava Ludwig, 1875 accepted as Plesiocolochirus ignavus (Ludwig, 1875) (original description)
Cucumaria improvisa Ludwig, 1875 accepted as Trachythyone improvisa (Ludwig, 1875) (original description)
Cucumaria nobilis Ludwig, 1875 accepted as Thyonidium drummondii (Thompson, 1840) (original description)
Cucumaria parva Ludwig, 1875 accepted as Trachythyone parva (Ludwig, 1875) (original description)
Cucumaria perspicua Ludwig, 1875 accepted as Thyonidium drummondii (Thompson, 1840) (original description)
Cucumaria punctata Ludwig, 1875 accepted as Parathyone surinamensis (Semper, 1867) (original description)
Cucumaria salmini Ludwig, 1875 accepted as Pseudocnus dubiosus (Semper, 1868) (original description)
Cucumaria tenuis Ludwig, 1875 (original description)
Holothuria (Acanthotrapeza) kubaryi Ludwig, 1875 (original description)
Holothuria (Cystipus) cubana Ludwig, 1875 (original description)
Holothuria (Cystipus) occidentalis Ludwig, 1875 (original description)
Holothuria (Cystipus) sulcata Ludwig, 1875 accepted as Holothuria (Cystipus) occidentalis Ludwig, 1875 (original description)
Holothuria (Halodeima) mexicana Ludwig, 1875 (original description)
Holothuria (Halodeima) signata Ludwig, 1875 (original description)
Holothuria (Lessonothuria) insignis Ludwig, 1875 (original description)
Holothuria (Lessonothuria) lineata Ludwig, 1875 (original description)
Holothuria (Platyperona) samoana Ludwig, 1875 (original description)
Holothuria (Semperothuria) imitans Ludwig, 1875 (original description)
Holothuria (Semperothuria) surinamensis Ludwig, 1875 (original description)
Holothuria (Stauropora) modesta Ludwig, 1875 (original description)
Holothuria (Theelothuria) notabilis Ludwig, 1875 (original description)
Holothuria bowensis Ludwig, 1875 accepted as Holothuria (Metriatyla) martensii Semper, 1868 (original description)
Holothuria caesarea Ludwig, 1875 accepted as Holothuria (Lessonothuria) verrucosa Selenka, 1867 (original description)
Holothuria captiva Ludwig, 1875 accepted as Holothuria (Platyperona) parvula (Selenka, 1867) (original description)
Holothuria clemens Ludwig, 1875 accepted as Bohadschia vitiensis (Semper, 1868) (original description)
Holothuria cubana Ludwig, 1875 represented as Holothuria (Cystipus) cubana Ludwig, 1875 (original description)
Holothuria curiosa Ludwig, 1875 accepted as Holothuria (Stauropora) fuscocinerea Jaeger, 1833 (original description)
Holothuria depressa Ludwig, 1875 accepted as Holothuria (Stauropora) pervicax Selenka, 1867 (original description)
Holothuria dietrichii Ludwig, 1875 accepted as Thyone papuensis Théel, 1886 (original description)
Holothuria imitans Ludwig, 1875 represented as Holothuria (Semperothuria) imitans Ludwig, 1875 (original description)
Holothuria insignis Ludwig, 1875 accepted as Holothuria (Lessonothuria) insignis Ludwig, 1875 (original description)
Holothuria Kubaryi Ludwig, 1875 represented as Holothuria (Acanthotrapeza) kubaryi Ludwig, 1875 (original description)
Holothuria lineata Ludwig, 1875 represented as Holothuria (Lessonothuria) lineata Ludwig, 1875 (original description)
Holothuria mexicana Ludwig, 1875 represented as Holothuria (Halodeima) mexicana Ludwig, 1875 (original description)
Holothuria modesta Ludwig, 1875 represented as Holothuria (Stauropora) modesta Ludwig, 1875 (original description)
Holothuria notabilis Ludwig, 1875 represented as Holothuria (Theelothuria) notabilis Ludwig, 1875 (original description)
Holothuria occidentalis Ludwig, 1875 represented as Holothuria (Cystipus) occidentalis Ludwig, 1875 (original description)
Holothuria peregrina Ludwig, 1875 accepted as Holothuria (Lessonothuria) pardalis Selenka, 1867 (original description)
Holothuria pertinax Ludwig, 1875 accepted as Labidodemas pertinax (Ludwig, 1875) (original description)
Holothuria rugosa Ludwig, 1875 accepted as Labidodemas rugosum (Ludwig, 1875) (original description)
Holothuria samoana Ludwig, 1875 represented as Holothuria (Platyperona) samoana Ludwig, 1875 (original description)
Holothuria signata Ludwig, 1875 represented as Holothuria (Halodeima) signata Ludwig, 1875 (original description)
Holothuria surinamensis Ludwig, 1875 represented as Holothuria (Semperothuria) surinamensis Ludwig, 1875 (original description)
Labidodemas dubiosum Ludwig, 1875 accepted as Labidodemas semperianum Selenka, 1867 (original description)
Mülleria excellens Ludwig, 1875 accepted as Holothuria (Platyperona) excellens (Ludwig, 1875) (original description)
Orcula tenera Ludwig, 1875 accepted as Thyonidiella tenera (Ludwig, 1875) accepted as Phyrella tenera (Ludwig, 1875) (original description)
Phyllophorus (Urodemella) holothurioides Ludwig, 1875 accepted as Phyllophorus holothurioides Ludwig, 1875 (original description)
Phyllophorus frauenfeldi Ludwig, 1875 accepted as Ohshimella ehrenbergii (Selenka, 1868) (original description)
Phyllophorus holothurioides Ludwig, 1875 (original description)
Pseudocucumis Ludwig, 1875 accepted as Cladolabes Brandt, 1835 (original description)
Stichopus errans Ludwig, 1875 accepted as Isostichopus badionotus (Selenka, 1867) (original description)
Stichopus fuscus Ludwig, 1875 accepted as Isostichopus fuscus (Ludwig, 1875) (original description)
Synapta assymmetrica Ludwig, 1875 accepted as Protankyra assymmetrica (Ludwig, 1875) (original description)
Synapta bankensis Ludwig, 1875 accepted as Protankyra bankensis (Ludwig, 1875) (original description)
Synapta incerta Ludwig, 1875 accepted as Oestergrenia incerta (Ludwig, 1875) (original description)
Synapta innominata Ludwig, 1875 accepted as Protankyra pseudodigitata (Semper, 1867) (original description)
Synapta polii Ludwig, 1875 accepted as Euapta lappa (J. Müller, 1850) (original description)
Thyone (Stolus) mirabilis Ludwig, 1875 accepted as Havelockia versicolor (Semper, 1867) (original description)
Thyone (Thyone) suspecta Ludwig, 1875 accepted as Parathyone suspecta (Ludwig, 1875) (original description)
Thyonidium schmeltzii Ludwig, 1875 accepted as Cladolabes schmeltzii (Ludwig, 1875) (original description)