Acromitoides purpurus (Mayer, 1910) accepted as Catostylus purpurus Mayer, 1910 (original description)
Aequorea albida A. Agassiz, 1862 (redescription)
Aglantha Haeckel, 1879 (additional source)
Blackfordia Mayer, 1910 (original description)
Blackfordia manhattensis Mayer, 1910 accepted as Blackfordia virginica Mayer, 1910 (original description)
Blackfordia virginica Mayer, 1910 (original description)
Bougainvillia niobe Mayer, 1894 (additional source)
Catostylus cruciatus (Lesson, 1830) (new combination reference)
Catostylus ornatellus (Vanhöffen, 1888) (new combination reference)
Catostylus purpurus Mayer, 1910 (original description)
Catostylus tagi (Haeckel, 1869) (new combination reference)
Catostylus tripterus (Haeckel, 1880) (new combination reference)
Catostylus turgescens (Schultze, 1898) (new combination reference)
Catostylus viridescens (Chun, 1896) (new combination reference)
Crambione cooki Mayer, 1910 (original description)
Crambionella orsini (Vanhöffen, 1888) (new combination reference)
Crambionella stuhlmanni (Chun, 1896) (new combination reference)
Dicodonium floridana Mayer, 1910 (original description)
Dicodonium jeffersoni (Mayer, 1900) (additional source)
Dipleurosoma ochraceum Mayer, 1910 accepted as Wuvula ochracea (Mayer, 1910) (original description)
Discomedusa philippina Mayer, 1910 (original description)
Dissonema saphenella Haeckel, 1879 (additional source)
Euphysa tetrabrachia Bigelow, 1904 (source of synonymy)
Geryonia proboscidalis (Forsskål, 1775) (redescription)
Kishinouyea Mayer, 1910 accepted as Calvadosia James-Clark, 1863 (original description)
Laodicea cruciata (Forsskål, 1775) accepted as Laodicea undulata (Forbes & Goodsir, 1853) (redescription)
Linvillea Mayer, 1910 accepted as Sphaerocoryne Pictet, 1893 (original description)
Lobonema Mayer, 1910 (original description)
Lobonema smithii Mayer, 1910 (original description)
Margelopsidae Mayer, 1910 (original description)
Netocertoides brachiatum Mayer, 1900 (redescription)
Niobia dendrotentacula Mayer, 1900 (redescription)
Pandea Lesson, 1843 (subsequent type designation)
Pandea violacea Agassiz & Mayer, 1899 accepted as Merga violacea (Agassiz & Mayer, 1899) (redescription)
Pegantha rubiginosa (Kölliker, 1853) (redescription)
Sarsia hargitti Mayer, 1910 (original description)
Sthenoniinae Mayer, 1910 (original description)
Tima formosa L. Agassiz, 1862 (redescription)
Versuriga anadyomene (Maas, 1903) (new combination reference)
Zygocanna diploconus (Haeckel, 1879) accepted as Zygocanna undulosa (Péron & Lesueur, 1810) (source of synonymy)