Abylidae L. Agassiz, 1862 (original description)
Abylinae L. Agassiz, 1862 (basis of record)
Aequorea albida A. Agassiz, 1862 (original description)
Aglaophenia trifida Agassiz, 1862 (original description)
Aglauridae L. Agassiz, 1862 accepted as Rhopalonematidae Russell, 1953 (original description)
Amphisbetia L. Agassiz, 1862 (original description)
Aurelia marginalis Agassiz, 1862 (original description)
Aureliinae Agassiz, 1862 (original description)
Bassia L. Agassiz, 1862 (original description)
Bougainvillia Mertensii L. Agassiz, 1862 (original description)
Catostylus Agassiz, 1862 (original description)
Catostylus cruciatus (Lesson, 1830) (new combination reference)
Catostylus mosaicus (Quoy & Gaimard, 1824) (new combination reference)
Catostylus Wilkesii Agassiz, 1862 accepted as Catostylus mosaicus (Quoy & Gaimard, 1824) (original description)
Cepheidae Agassiz, 1862 (original description)
Circe impatiens A. Agassiz, 1862 accepted as Aglantha digitale (O. F. Müller, 1776) (original description)
Clava leptostyla L. Agassiz, 1862 accepted as Clava multicornis (Forsskål, 1775) (original description)
Clytia (Orthopyxis) L. Agassiz, 1862 accepted as Orthopyxis L. Agassiz, 1862 (original description)
Clytia (Orthopyxis) poterium L. Agassiz, 1862 accepted as Orthopyxis integra (MacGillivray, 1842) (original description)
Clytia (Platypyxis) L. Agassiz, 1862 accepted as Clytia Lamouroux, 1812 (original description)
Clytia (Platypyxis) cylindrica Agassiz, 1862 accepted as Clytia gracilis (M. Sars, 1851) (original description)
Clytia (Trochopyxis) L. Agassiz, 1862 accepted as Clytia Lamouroux, 1812 (original description)
Clytia (Trochopyxis) bicophoba L. Agassiz, 1862 accepted as Clytia hemisphaerica (Linnaeus, 1767) (original description)
Clytia bicophora Agassiz, 1862 accepted as Clytia (Trochopyxis) bicophoba L. Agassiz, 1862 accepted as Clytia hemisphaerica (Linnaeus, 1767) (basis of record)
Clytia cylindrica Agassiz, 1862 accepted as Clytia gracilis (M. Sars, 1851) (original description)
Corymorpha pendula L. Agassiz, 1862 (original description)
Coryne rosaria L. Agassiz, 1862 (original description)
Cotylorhiza Agassiz, 1862 (original description)
Cremastoma flava A. Agassiz, 1862 accepted as Aequorea forskalea Péron & Lesueur, 1810 (original description)
Crematostoma A. Agassiz, 1862 accepted as Aequorea Péron & Lesueur, 1810 (original description)
Crossostoma Agassiz, 1862 accepted as Versuriga Kramp, 1961 (original description)
Cyanea fulva Agassiz, 1862 (original description)
Cyanea versicolor Agassiz, 1862 (original description)
Cyaneidae L. Agassiz, 1862 (original description)
Cytaeididae L. Agassiz, 1862 (original description)
Dactylometra Agassiz, 1862 accepted as Chrysaora Péron & Lesueur, 1810 (original description)
Desmonema L. Agassiz, 1862 (original description)
Desmonema gaudichaudi (Lesson, 1830) (new combination reference)
Diphasia Agassiz, 1862 (original description)
Diplopilus Agassiz, 1862 accepted as Cephea Péron & Lesueur, 1810 (original description)
Diplopilus Couthouyi Agassiz, 1862 accepted as Cephea cephea (Forskål, 1775) (original description)
Dipurena conica A. Agassiz, 1862 accepted as Slabberia strangulata (McCrady, 1859) (original description)
Ectopleura L. Agassiz, 1862 (original description)
Ectopleura ochracea Agassiz, 1862 accepted as Ectopleura dumortierii (Van Beneden, 1844) (original description)
Eirene coerula L. Agassiz, 1862 accepted as Eutima coerulea (Agassiz, 1862) (original description)
Eucheilota duodecimalis A. Agassiz, 1862 (original description)
Eucope diaphana L. Agassiz, 1862 accepted as Obelia geniculata (Linnaeus, 1758) (original description)
Eudendriidae L. Agassiz, 1862 (original description)
Eudendrium dispar L. Agassiz, 1862 (original description)
Eudendroidae accepted as Eudendriidae L. Agassiz, 1862 (basis of record)
Eutima pyramidalis L. Agassiz, 1862 accepted as Eirene pyramidalis (Agassiz, 1862) (original description)
Gonionemus A. Agassiz, 1862 (original description)
Gonionemus vertens A. Agassiz, 1862 (original description)
Gossea L. Agassiz, 1862 accepted as Octobulbacea Zamponi, 1983 (original description)
Halistemma punctatum (Kölliker, 1853) accepted as Halistemma rubrum (Vogt, 1852) (basis of record)
Halocharis L. Agassiz, 1862 accepted as Zanclea Gegenbaur, 1857 (original description)
Halocharis spiralis A. Agassiz, 1862 accepted as Zanclea spiralis (A. Agassiz, 1862) (original description)
Himantostoma Agassiz, 1862 accepted as Thysanostoma Agassiz, 1862 (original description)
Hydractinia polyclina L. Agassiz, 1860 (basis of record)
Hydractiniidae L. Agassiz, 1862 (original description)
Koellikeria L. Agassiz, 1862 accepted as Koellikerina Kramp, 1939 (original description)
Laodicea calcarata L. Agassiz, 1862 accepted as Laodicea undulata (Forbes & Goodsir, 1853) (original description)
Laodicea cellularia A. Agassiz in L. Agassiz, 1862 accepted as Earleria cellularia (A. Agassiz, 1862) accepted as Mitrocoma cellularia (Agassiz, 1862) (original description)
Laodiceidae Agassiz, 1862 (original description)
Laomedea amphora L. Agassiz, 1862 (original description)
Leptobrachidae Agassiz, 1862 (original description)
Leuckartia L. Agassiz, 1862 accepted as Liriope Lesson, 1843 (original description)
Leuckartidae L. Agassiz, 1862 accepted as Geryoniidae Eschscholtz, 1829 (original description)
Liriope tenuirostris L. Agassiz, 1862 accepted as Liriope tetraphylla (Chamisso & Eysenhardt, 1821) (original description)
Mastigias Agassiz, 1862 (original description)
Mastigias roseus (Reynaud, 1830) (new combination reference)
Melicertidae Agassiz, 1862 (original description)
Melicertum sensu L. Agassiz, 1862 (original description)
Melicertum campanula (Fabricius, 1780) (additional source)
Melicertum georgicum Agassiz, 1862 accepted as Melicertum octocostatum (M. Sars, 1835) (original description)
Nemopsidae L. Agassiz, 1862 accepted as Bougainvilliidae Lütken, 1850 (original description)
Oceania gregaria L. Agassiz, 1862 accepted as Clytia gregaria (Agassiz, 1862) (original description)
Oceania languida A. Agassiz, 1862 accepted as Clytia hemisphaerica (Linnaeus, 1767) (original description)
Parypha crocea L. Agassiz, 1862 accepted as Ectopleura crocea (Agassiz, 1862) (original description)
Phyllorhiza Agassiz, 1862 (original description)
Phyllorhiza chinensis Agassiz, 1862 (original description)
Polyorchidae A. Agassiz, 1862 accepted as Corynidae Johnston, 1836 (original description)
Polyorchis A. Agassiz, 1862 (original description)
Polyrhiza Agassiz, 1862 (original description)
Polyrhiza vesiculosa (Ehrenberg, 1837) (new combination reference)
Rhacopilus Agassiz, 1862 accepted as Catostylus Agassiz, 1862 (original description)
Rhacopilus cyanolobatus Agassiz, 1862 accepted as Catostylus cruciatus (Lesson, 1830) (original description)
Rhegmatodes A. Agassiz, 1862 accepted as Aequorea Péron & Lesueur, 1810 (original description)
Rhegmatodes floridanus L. Agassiz, 1862 accepted as Aequorea floridana (Agassiz, 1862) (original description)
Rhegmatodes tenuis A. Agassiz, 1862 accepted as Aequorea tenuis (Agassiz, 1862) (original description)
Rhizogeton Agassiz, 1862 (original description)
Rhizogeton fusiformis L. Agassiz, 1862 (original description)
Semaeostomeae (original description)
Stomobrachium tentaculata L. Agassiz, 1862 (original description)
Stomotoca L. Agassiz, 1862 (original description)
Stomotoca atra L. Agassiz, 1862 (original description)
Syndictyon A. Agassiz, 1862 accepted as Sarsia Lesson, 1843 (original description)
Syndictyon reticulatum L. Agassiz, 1862 accepted as Sarsia tubulosa (M. Sars, 1835) (original description)
Thamnocnidia spectabilis A. Agassiz, 1862 accepted as Ectopleura larynx (Ellis & Solander, 1786) (original description)
Thamnocnidia tenella Agassiz, 1862 accepted as Ectopleura larynx (Ellis & Solander, 1786) (original description)

China Sea for Phyllorhiza chinensis Agassiz, 1862 
Florida for Rhegmatodes floridanus L. Agassiz, 1862 
Guanabara, Baía de for Rhacopilus cyanolobatus Agassiz, 1862 
Lake Illawarra for Catostylus Wilkesii Agassiz, 1862 
Massachusetts Bay for Corymorpha pendula L. Agassiz, 1862 
Nahant Bay for Syndictyon reticulatum L. Agassiz, 1862 
Queensland for Diplopilus Couthouyi Agassiz, 1862 
Strait of Georgia for Oceania gregaria L. Agassiz, 1862 

 Original Combination

 for Clytia cylindrica Agassiz, 1862

Clytia (Platypyxis) cylindrica L. Agassiz, 1862 [details]

 Type locality

 for Eucheilota duodecimalis A. Agassiz, 1862

Naushon Island, Buzzards Bay, Massachusetts, USA [details]

 Type locality

 for Eudendrium dispar L. Agassiz, 1862

USA, shores of Massachusetts [details]

 Type locality

 for Halocharis spiralis A. Agassiz, 1862

Sullivan's Island, Charleston Harbor, USA, on tube of Serpula [details]

 Type locality

 for Liriope tenuirostris L. Agassiz, 1862

Key West, Florida, USA [details]

 Type locality

 for Zanclea spiralis (A. Agassiz, 1862)

Sullivan's Island, Charleston Harbor, South Carolina, USA [details]