Ostracoda 



Alatacy there tokiana (Israelsky) ? 



Bairdia comanchensis Alexander 



Bairdia 1 sp. 



Brachycythere nausiformis Swain x 



Cythereis eagle f or densis Alexander x 



Cythereis fredericksburgoides Swain and — 



Brown, n. sp. x x x 



Cythereis quadrialira Swain x 



Cythereis sp. 



Cytherella austinensis Alexander x 



Cytherella beyrichoides Swain and Brown, 

 n. sp. 



Cytherella tuberculifera Alexander x 



Cytherelloidea ontovariosa Swain and 



Brown, n. sp. x x 



Eocytheropteron cf. tumidum Alexander x 



Eocytheropteron semiconstmctum 



Alexander ? 

 Haplocytheridea lunarea Swain and 



Brown, n. sp. 

 Centrocythere annulopapillata Swain and ~ 



Brown, n. sp. 



Paracyprideis 1 graysonensis (Alexander) x x x 



Paracypris alta Alexander x 



Paracypris goodlandensis Howe and 

 Laurencich 



Paracypris sp. 



Schuleridea washitaensis (Alexander) 



Table 3. — Occurrence of Ostracoda in Alabama, Florida, and Georgia Wells. 



Trinity Ostracoda Described by Vanderpool 



Several species from the Lower Cretaceous 

 Trinity Group of northern Texas and northern 

 Louisiana were described by Vanderpool (1928, 

 1937) and more recently the species were recon- 

 sidered by Howe and Laurencich (1958). Swain 

 examined Vanderpool's types in the U. S. National 

 Museum and felt that it would be appropriate to 

 reillustrate and redescribe the species. The fol- 

 lowing ostracodes from the Lower Cretaceous 

 Trinity group are redescribed in this paper: 

 Asciocythere perforata (Vanderpool) 

 Asciocy there rotunda (Vanderpool) 

 Cypridea dequeenensis Swain and Brown, n. sp. 

 Cypridea diminuta Vanderpool 

 Cyvridea wyomingensis Jones 



Cythereis praeornata Swain and Brown, 



n. name. 

 Eocytheropteron trinitiensis (Vanderpool) 

 Paracypris cf. P. angusta Alexander 

 Paracypris weather for densis Vanderpool 

 Schuleridea dorsoventrus (Vanderpool) 



Systematic Descriptions Of Ostracoda 



Order Podocopida Muller, 1894 

 Suborder Platycopina Sars, 1866 

 Family Cytherellidae Sars, 1866 



Genus Cytherella Jones, 1849 



Cytherella beyrichoides Swain and Brown, n. sp. 



Plate 1, Figure 1; Text Figure 3a 



Cytherella beyrichi (Reuss), Schmidt, 1948, Jour, 

 Paleont, v. 22, p. 406, pi. 61, fig. 2. 



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