Mittal O P, Pahwa S
Cytobios. 1980;29(113):17-24.
The diploid number of chromosomes in two species of isopods namely, Philoscia lodnensis and Porcellio rathkei was found to be 16 and 50, respectively. The chromosomes have localized centromeric positions. Female heterogamety was found to exist in P. rathkei.