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POST-TERTIARY ENTOMOSTRACA. 



Genera of Recent and Post-tertiary Ostracoda. 



Class CRUSTACEA. 

 Subclass Entomostraca. 

 Order Gnathostomata. 



Legion Lophyropoda. 

 Tribe Ostracoda. 



Section Podocopa. 



Family 1. — Cypkid^. 



Genus Cypris. 



Cypridopsis, 

 Paracypris. 

 Aglaia. 

 Notodromas. 

 ■;i Candona. 



Potamocypris. 



Goniocypris. 



Pontocypris. 



Argilloecia, 



Bairdia. 



Macrocypris. 



Family 2. — Darwinelladj:. 

 Genus Darwinella. 



Family 3. — Cytherid^. 



Genus Cythere. 



Limnicythere. 



Metacypris. 



Cytheridea. 



Eucythere. 



Krithe. 



Loxoconcha. 



Xestoleberis. 



Cythemra. 



Sarsiella. 



Cytheropteron. 



Genus Bythocythere. 

 Pseudocythere. 

 Cytherideis. 

 Sclerochilus. 

 Xiphichilus. 

 Paradoxostoma. 



Section Myodocopa. 



Family 4. — Cypridinadjl. 



Genus Cypridina. 



Bradycinetus. 

 Philomedes. 

 Eurypylus. 

 Asterope. 



Family 5. — Entomoconchid^. 

 Genus Heterodesmus. 



Family 6. — Conch(eciad^. 



Genus Conchoecia. 

 Halocypris. 



Section Cladocopa. 

 Family 7. — Polycopid^. 

 Genus Polycope. 



Section Platycopa. 



Family 8. — CYTHERELLIDiE. 



Genus Cytherella. 



Bosquetia {incerta sedis). 



