| Carybdea marsupialis (Linnaeus, 1758) | Carybdea marsupialis  (p. 48 ) | 
				
			| Catablema multicirratum Kishinouye, 1910 | Catablema multicirrata  (p. 27 ) | 
				
			| Catablema nodulosa Bigelow, 1913 | Catablema nodulosa  (p. 26 ) | 
				
			| Cavolinia tridentata (Forskål, 1775) | Cavolinia tridentata  (p. 73 ) | 
				
			| Cestum veneris Lesueur, 1813 | Cestum veneris  (p. 66 ) | 
				
			| Charistephane fugiens Chun, 1880 | Charistephane fugiens  (p. 62 ) | 
				
			| Chiarella centripetalis Maas, 1897 | Chiarella centripetalis  (p. 25 ) | 
				
			| Chrysaora colorata (Russell, 1964) | Chrysaora colorata  (p. 54 ) | 
				
			| Chrysaora fuscescens Brandt, 1835 | Chrysaora fuscescens  (p. 53 ) | 
				
			| Chrysaora melanaster Brandt, 1838 | Chrysaora melanaster  (p. 53 ) | 
				
			| Cladonema californicum Hyman, 1947 | Cladonema californicum  (p. 29 ) | 
				
			| Cladonema uchidai Hirai, 1958 | Cladonema uchidai  (p. 29 ) | 
				
			| Clio pyramidata Linnaeus, 1767 | Clio pyramidata  (p. 73 ) | 
				
			| Clione limacina (Phipps, 1774) | Clione limacina  (p. 76 ) | 
				
			| Cliopsis krohnii Troschel, 1854 | Cliopsis krohni  (p. 76 ) | 
				
			| Clytia gregaria (Agassiz, 1862) | Clytia gregaria  (p. 36 ) | 
				
			| Colobonema sericeum Vanhöffen, 1902 | Colobonema sericeum  (p. 43 ) | 
				
			| Corolla spectabilis Dall, 1871 | Corolla spectabilis  (p. 74 ) | 
				
			| Creseis virgula (Rang, 1828) | Creseis virgula  (p. 73 ) | 
				
			| Crossota rufobrunnea (Kramp, 1913) | Crossota rufobrunnea  (p. 43 ) | 
				
			| Cyanea capillata (Linnaeus, 1758) | Cyanea capillata  (p. 54 ) | 
				
			| Cyclosalpa affinis (Chamisso, 1819) | Cyclosalpa affinis  (p. 80 ) | 
				
			| Cyclosalpa bakeri Ritter, 1905 | Cyclosalpa bakeri  (p. 80 ) | 
				
			| Deepstaria enigmatica Russell,1967 | Deepstaria enigmatica  (p. 56 ) | 
				
			| Deiopea kaloktenota Chun, 1879 | Deiopea kaloktenota  (p. 65 ) | 
				
			| Dendronotus iris Cooper, 1863 | Dendronotus iris  (p. 77 ) | 
				
			| Desmopterus papilio Chun, 1889 | Desmopterus papilio  (p. 74 ) | 
				
			| Dipleurosoma typicum Boeck, 1866 | Dipleurosoma typicum  (p. 32 ) | 
				
			| Dolioletta gegenbauri (Uljanin, 1884) | Dolioletta gegenbaueri  (p. 84 ) | 
				
			| Dryodora glandiformis (Mertens, 1833) | Dryodora glandiformis  (p. 63 ) |