Key points are not available for this paper at this time.
(1956). LXI.—Metaiulus pratensis, gen. et sp. nov., and Leptoiulus kervillei (Brolemann), (Diplopoda, Iulidae), from Britain. Annals and Magazine of Natural History: Vol. 9, No. 103, pp. 513-520.
Blower et al. (Sun,) studied this question.