After Parker, 1982
<==o Amphipoda Latreille, 1816 (amphipods; katkat) |-- Gammaridea Latreille, 1802 (katkamaiset katkat) |-- Hyperiidea Milne Edwards, 1830 |--o Caprellidea Leach, 1814 | |-- Cyamidae Rafinesque, 1815 (valastäit) | |-- Caprogammaridae Kudrjaschov & Vassilenko, 1966 | |-- Paracercopidae Vassilenko, 1968 | |-- Phtisicidae Vassilenko, 1968 | |-- Caprellidae Leach, 1814 (kummituskatkat) | |?- Caprellinoididae Laubitz, 1993 [from Martin & Davis, 2001] | |?- Pariambidae Laubitz, 1993 [from Martin & Davis, 2001] | `?- Protellidae McCain, 1970 [from Martin & Davis, 2001] `--o Ingolfiellidea Hansen, 1903 |-- Ingolfiellidae Hansen, 1903 `-- Metaingolfiellidae Ruffo, 1969
Reference(s):
- Lahti, S., Malmström, K. K., Koli, L., Leikola, A., Syrjämäki, J. & Lahti, J., 1980: Zoo, Suuri Eläinkirja 6: Selkärangattomat.
–Werner Söderström Osakeyhtiö, Porvoo-Helsinki-Juva, 1980.
Original work [in French]: Beaut, Du Monde Animal XI & XII Invertébrés.
–Rizzoli Editore, Milano, 1968. - Martin, J. W. & Davis, G. E., 2001: An Updated Classification of the Recent Crustacea.
–Natural History Museum of Los Angeles County, Science Series: Vol. #39, pp. vii-124 - Parker, S. P. (ed.), 1982: Synopsis and classification of living organisms. Vols. 1 & 2
–McGrew-Hill Book Company