Eight new subspecies of cowries (Cypraeidae) are described. They are characterized mainly by genetic data, but also in most cases, rather subtle conchological differences. Lyncina Pentricuhts johnclarki n. ssp. from Christmas Island differs by an average COI pairwise difference of 2.05 % from the nominate Pacific subspecies. The shell of the new subspecies is broader and higher, the distribution of basal callus differs. Palmachtsta ziczac vzac n. ssp. from Thailand has a characteristic finer y-shaped zig-zag-pattern and apart from other subtle features, its average COI pairwise difference from other populations of the species is 8.4 (Yo. Bistolida myelitis jomi n. ssp. from the eastern Indian Ocean has more numerous teeth, and a 7.1 % average COI pairwise difference separating it from the nominate Pacific subspecies. Ransionella punctata bridgesi n. ssp. and R. p. conleyi n. ssp. closely resemble other populations of the species conchologically, but their average COI pairwise differences of 9.3 % and 3.3 % respectively, support their recognition as separate subspecies. Cribrarula abaliena etypersica n. ssp. from the northwestern Indian Ocean has an average COI pairwise difference of 2.1 % from its sister lineages. The shells resemble a. ganteri and differ only in subtle details. Purpuradusta limbriata ipso/ha n. ssp. from Cocos Keeling and Christmas Islands differs from its sister lineages by subtle features of the dorsal banding, the aperture, the formation or the anterior columellar teeth and an average COI pairwise difference of 3.2 %. The name Murrill('scurra occidua n. ssp. replaces the improper usage of scurra, for Indian Ocean populations. It differs from its Pacific sisters by a more inflated shell, narrower netting, denser marginal spots and a different structure of the extremities. The average COI pairwise difference from the nominate scurra (12.8 %) is exceptionally high.
