Actinothoe modesta (Verrill, 1866) (basis of record)
Aequorea aequorea (Forsskål, 1775) accepted as Aequorea forskalea Péron & Lesueur, 1810 (additional source)
Aselomaris michaeli Berrill, 1948 accepted as Pachycordyle michaeli (Berrill, 1948) (additional source)
Astrangia poculata (Ellis & Solander, 1786) (basis of record)
Austrobdella rapax (Verrill, 1873) (basis of record)
Bougainvillia rugosa Clarke, 1882 (additional source)
Branchellion torpedinis Savigny, 1822 (additional source)
Branchiostoma caribaeum Sundevall, 1853 (additional source)
Callipallene brevirostris (Johnston, 1837) (additional source)
Caretta caretta (Linnaeus, 1758) (additional source)
Ceriantheopsis americana (Agassiz in Verrill, 1864) (basis of record)
Chelonia mydas (Linnaeus, 1758) (additional source)
Childia groenlandica (Levinsen, 1879) (additional source)
Chiropsalmus quadrumanus (F. Muller, 1859) (additional source)
Diadumene leucolena (Verrill, 1866) (additional source)
Ectopleura dumortierii (Van Beneden, 1844) (additional source)
Edwardsia elegans Verrill, 1869 (additional source)
Endeis spinosa (Montagu, 1808) (additional source)
Eucheilota ventricularis McCrady, 1859 (additional source)
Eudendrium carneum Clarke, 1882 (additional source)
Garveia franciscana (Torrey, 1902) accepted as Calyptospadix cerulea Clarke, 1882 (additional source)
Gonionemus vertens A. Agassiz, 1862 (additional source)
Haliplanella lineata (Verrill, 1869) accepted as Diadumene lineata (Verrill, 1869) (additional source)
Halitiara formosa Fewkes, 1882 (additional source)
Hybocodon prolifer Agassiz, 1860 (additional source)
Laomedea calceolifera (Hincks, 1871) (additional source)
Lepidochelys kempii Garman, 1880 (additional source)
Leptogorgia setacea (Pallas, 1766) (basis of record)
Leptogorgia virgulata (Lamarck, 1815) (basis of record)
Limulus polyphemus (Linnaeus, 1758) (additional source)
Macrostomum Schmidt, 1848 (additional source)
Mnemiopsis leidyi A. Agassiz, 1865 (additional source)
Molgula provisionalis Van Name, 1945 (additional source)
Nematostella vectensis Stephenson, 1935 (additional source)
Obelia bidentata Clark, 1875 (additional source)
Oceanobdella microstoma (Johansson, 1896) (additional source)
Oxytonostoma typica Malm, 1863 (additional source)
Paranthus rapiformis (Le Sueur, 1817) (basis of record)
Pennaria disticha Goldfuss, 1820 (additional source)
Physalia physalis (Linnaeus, 1758) (additional source)
Podocoryna carnea M. Sars, 1846 (additional source)
Polychoerus caudatus Mark, 1892 (basis of record)
Rhopilema verrilli (Fewkes, 1887) (basis of record)
Sphaerocoryne agassizii (McCrady, 1859) (basis of record)
Staurophora mertensii Brandt, 1835 accepted as Staurostoma mertensii (Brandt, 1835) (additional source)
Tanystylum orbiculare Wilson, 1878 (additional source)
Thetys vagina Tilesius, 1802 (additional source)
Tiaropsis multicirrata (M. Sars, 1835) (additional source)
Turritopsis nutricula McCrady, 1857 (additional source)

English American tube-dwelling anemone for Ceriantheopsis americana (Agassiz in Verrill, 1864)
English ceriantharian anemone for Ceriantheopsis americana (Agassiz in Verrill, 1864)
English northern stony coral [from synonym] for Astrangia astreiformis Milne Edwards & Haime, 1849
English southern cerianthid for Ceriantheopsis americana (Agassiz in Verrill, 1864)
English star coral [from synonym] for Astrangia astreiformis Milne Edwards & Haime, 1849
English yellow flabby-sponge for Mycale (Carmia) fibrexilis (Wilson, 1894)