Caprella acanthogaster Mayer, 1890 (additional source)
Caprella algaceus Vassilenko, 1967 (additional source)
Caprella andreae Mayer, 1890 (additional source)
Caprella brevirostris Mayer, 1903 (additional source)
Caprella californica Stimpson, 1856 (additional source)
Caprella chelimana Mayer, 1903 (additional source)
Caprella cristibrachium Mayer, 1903 (additional source)
Caprella danilevskii Czerniavsky, 1868 (additional source)
Caprella decipiens Mayer, 1890 (additional source)
Caprella equilibra Say, 1818 (additional source)
Caprella eximia Mayer, 1890 (additional source)
Caprella gigantochir Mayer, 1903 (additional source)
Caprella gracillima Mayer, 1890 (additional source)
Caprella japonica (Schurin, 1935) (additional source)
Caprella kominatoensis Takeuchi, 1986 (additional source)
Caprella kroyeri De Haan, 1849 (additional source)
Caprella linearis (Linnaeus, 1767) (additional source)
Caprella mixta Mayer, 1903 (additional source)
Caprella monoceros Mayer, 1890 (additional source)
Caprella multituberculum Lee & Lee, 1996 (additional source)
Caprella penantis Leach, 1814 (additional source)
Caprella polyacantha Utinomi, 1947 (additional source)
Caprella scaura Templeton, 1836 (additional source)
Caprella simia Mayer, 1903 (additional source)
Caprella simplex Mayer, 1890 (additional source)
Caprella subinermis Mayer, 1890 (additional source)
Caprella subtilis Mayer, 1903 (additional source)
Caprella tsugarensis Utinomi, 1947 (additional source)
Caprella verrucosa Boeck, 1871 (additional source)
Paracaprella crassa Mayer, 1903 (additional source)
Paraprotella prima Mayer, 1903 (additional source)
Perotripus koreanus Lee & Hong, 2010 (additional source)
Protella gracilis Dana, 1853 (additional source)
Protomima imitatrix Mayer, 1903 (additional source)
Pseudoproto fallax Mayer, 1903 (additional source)