This paper is the first in a three part series concerned with the evolution of North American isopods of the genus Asellus. It contains the descriptions of four new species of isopods and a list of pertinent new range data of presently known species.
Fleming, Laurence E..
The evolution of the Eastern North American isopods of the genus Asellus (Crustacea: Asellidae). Part I.
International Journal of Speleology,
Available at: http://scholarcommons.usf.edu/ijs/vol4/iss3/1