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The Podocopa are a subclass of ostracods. This subclass can be differentiated from the other subclass (Myodocopa) by the morphology of the second antenna: the Podocopa have a relatively long endopod, whereas the Myodocopa have a relatively long exopod. The seventh limb of the Podocopa has a variety of forms or is absent, but is never an annulated worm-like limb (as seen in some Myodocopa). Within the Podocopa there are three orders: Platycopida, Podocopida and Palaeocopida. ==Families== *Bairdiidae G.O.Sars, 1887 *Bythocyprididae Maddocks, 1969 *Bythocytheridae Sars, 1866 *Cytherellidae Sars, 1866 *Cytheridae Baird, 1850 *Cytherideidae Sars, 1925 *Cytheromatidae Elofson, 1939 *Cytheruridae Müller, 1894 *Entocytheridae Hoff, 1942 *Eucytheridae Puri, 1954 *Hemicytheridae Puri, 1953 *Kliellidae Schäfer, 1945 *Krithidae Mandelstam, 1958 *Leptocytheridae Hanai, 1957 *Loxoconchidae Sars, 1925 *Microcytheridae Klie, 1938 *Neocytherideidae Puri, 1957 *Paradoxostomatidae Brady & Norman, 1889 *Pectocytheridae Hanai, 1957 *Protocytheridae Ljubimova, 1956 *Psammocytheridae Klie, 1938 *Punciidae Hornibrook, 1949 *Schizocytheridae Howe, 1961 *Terrestricytheridae Schornikov, 1969 *Thaerocytheridae Hazel, 1967 *Trachyleberididae Sylvester-Bradley, 1948 *Xestoleberididae Sars, 1928 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Podocopa」の詳細全文を読む スポンサード リンク
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