Mysidacea
Outline classification and suprageneric taxa

Table 2 (table 2) shows the number of new species erected each decade during the 20th century (species described before 1901 are lumped). As the table shows, more than half of the known species were described during the last 50 years, and there still is a steady tendency for the number of species to increase.

The classification system given below may be revised as new species are added in future. Underlined taxa are treated in detail.

Classification:
Phylum Arthropoda
Subphylum Crustacea Pennant, 1777
Class Malacostraca Latreille, 1806
Superorder Peracarida Calman, 1904
Order Mysidacea Boas, 1883
Suborder Lophogastrida Boas, 1883
Family Lophogastridae Sars, 1870
Family Gnathophausiidae Bacescu, 1984
Family Eucopiidae Sars, 1870
Suborder Mysida Boas, 1883
Family Petalophthalmidae Czerniavsky, 1882
Family Mysidae Dana, 1850
Subfamily Boreomysinae Holt and Tattersall, 1905
Subfamily Siriellinae Norman, 1892
Tribe Siriellini Murano, 1986
Tribe Metasiriellini Murano, 1986
Subfamily Rhopalophthalminae Hansen, 1910
Subfamily Gastrosaccinae Norman, 1892
Subfamily Mysinae Hansen, 1910
Tribe Aberomysini Bacescu, 1986
Tribe Erythropini Hansen, 1910
Tribe Leptomysini Hansen, 1910
Tribe Mancomysini Bacescu, 1986
Tribe Mysini Hansen, 1910
Tribe Heteromysini Hansen, 1910
Subfamily Mysidellinae Hansen, 1910
Family Lepidomysidae Clarke, 1961
Family Stygiomysidae Caroli, 1937

The families Lepidomysidae and Stygiomysidae, are members of stygian faunas dwelling in marine caves.

Metric data and geographical and vertical distribution information about the species are presented in Table 3: table 3a; table 3b;table 3c.