Protostome Development

Fertilized Egg

Cerebratulus sp. (Phylum Nemertea)

Cerebratulus sp., Fertilized egg (Mag. ~400X)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

© Cody Arenz, Garry Duncan, & Nebraska Wesleyan University