Calathura, Genus
Callianassa, Genus
Callianassidae, Familia
Callinectes, Genus
Calliopius, Genus
Calocaris, Genus
Campylaspis, Genus
Cancer, Genus
Cancridae, Familia
Candonidae, Familia
Caprella, Genus
Caprellidae, Familia
Caprellidea, Subordo
Carcinus, Genus
Caridion, Genus
Carinocythereis, Genus
Celtia, Genus
Cerapus, Genus
Chaetiliidae, Familia
Cheirocratus, Genus
Chelura, Genus
Cheluridae, Familia
Chthamalidae, Familia
Chthamalophilidae, Familia
Chthamalophilus, Genus
Chthamalus, Genus
Cirolana, Genus
Cirolanidae, Familia
Cirripedia, Subclassis
Clistosaccidae, Familia
Clistosaccus, Genus
Colomastigidae, Familia
Colomastix, Genus
Conchoderma, Genus
Copepoda, Subclassis
Coronula, Genus
Corophiidae, Familia
Corophium, Genus
Corystes, Genus
Corystidae, Familia
Crangon, Genus
Crangonidae, Familia
Cressa, Genus
Cressidae, Familia
Crustacea, Subphylum
Crustacea, Classis
Cryptonisidae, Familia
Cumacea, Ordo
Cumella, Genus
Cumopsis, Genus
Cushmanideidae, Familia
Cyamidae, Familia
Cyamus, Genus
Cyathura, Genus
Cymodoce, Genus
Cymothoidae, Familia
Cyprideis, Genus
Cythere, Genus
Cytheridae, Familia
Cytherideidae, Familia
Cytheropteron, Genus
Cytheruridae, Familia