Cytheridce 



Darw/nulidce 



Myodocopa 



^ Podocopa 



Cijlherellidce 



■''g. VIII. — The pedigree of the recent. Ostrac, ods, according to fl. Alm's exposition 1915. 



Cijtheridce 



f^o/ocijpridce 



Cf^prida 



Dar u.-nulldc 



W Podocopa 



Ciftherel'idx 



Fig. IX. — 'I'he pedigree of the rcceiil O s 1 r a c o d s, according to G, W. MiiLLER, 189'« (somewhat modified). 



