Luticola mobiliensis is larger in size.
Luticola submobiliensis has a larger length-to-breadth ratio.
Similar species, but from other continents, include L. submobiliensis, L. dapaloides and L. uraguayensis. Luticola dapaloides has more apiculate apices, especially in smaller specimens, and has a more rectangular central area. Luticola uraguayensis has a similar valve outline, but has a larger size range and a more rectangular central area.