1 - 2 , Cancellophycus Marioni, Sa.p. 
Bull, Soc.Géol, de France. 
Le» te V/ttpc'tta . 
B^Sene.t.XV.PL.III 
( ^eouiÆC-'^)u ‘ 2 \ 188?^ 
lmp Edouard Bry, Paris 
A. L euta lith. 
