^?ullnl(Ua 



Orbitolinidae 



Camerlnldae 



Clotorotaiildae 



Vemeuillnidae 



Neuslnldae \ / Sllicinidae 



Orbltoididae 



Homo t rem! dae 



Elllpaoidlnidac 



Rhi LAnnni ai dae 



Astrorhlzidae 



Relationships of th« Pamllies of the Popamlnifora. 



