ORTHOCYPRIS [Bythocypris recta Kummerow 1943,p.53,pl.2,f.5, 
5a] Kummerow 1953,p.54 [Bairdiidae by Kummerow] 
Gotlandian, East Prussia. 
ORTHONOTACYTHERE [Cytheridea (?) hannai Israelsky 1929, 
pel2,pl.2A,f.10) Alexander 1933,p.199-200 
["derived from Monoceratina" by Alexander; 
Cytheridae-Loxoconchinae by Van den Bold 1946, 
p.e33] Cretaceous, Arkansas. 
OSTRACHODA Latreille 1802,vol.3,p.17, Ordre Quatrieme [of 
Entomostraca) to include Lynceus, Daphnia, Cypris, 
and Cythere. As thus used it included both 
Cladocera and Ostracoda. 
OSTRACODA Latreille 1806,p.17, 1810,p.89, a change in spelling 
of Ostrachoda Latreille 1802. 
_ OSTRACODA Pokorny 1953,pee21,227,230, a Class, composed of 
the Orders Beyrichiida, Podocopida, Myodocopida, 
and Leperditiida, all new. 
OSTRACOPODEN Philippi 1840,p.186, a change in spelling of 
Ostrapoda Strauss 182l. 

OSTRAPODA Strauss 1621, pe58.- This is the first time that 
the "Ostracoda" were separated from the Cladocera 
and other Entomostraca, and is therefore the first 
name actually given to the Order at present 
generally termed Ostracoda. Stebbing 1910, p.495, 
133 
