Volume 19 



i 



Collingnon, Maurice 



Ammonites Neocretacees du Menabe (Madagascar)* 



1955 II. Lea Pachydiscidae. 1 



1955 III* Lea Kossmaticoratidae. 2 



1956 IV. Lea Phyllocoratidao. 3 

 1956 V. La a Gaudryceratidae. 4 

 1956 VI. Lea Tetragonldaa. 5 

 1961 VII. Lea Desmooeratidae. 6 



