FIGURE 16. Comparisons between Calantica arcuata n in Epibiotic barnacles (Crustacea: Cirripedia: Thoracica) collected by the Kumejima 2009 Expedition, with descriptions of two new species *

FIGURE 16. Comparisons between Calantica arcuata n. sp. (I) and allied species (Group I sensu Newman & Jones, 2011), and between Oxynaspis ryukyuensis n. sp. (N) and allied congeners. A, C. darwini Jones & Hoise, 2009 (redrawn from Jones &Hoise 2009); B, C. pusilla Utinomi, 1970a (redrawn from Utinomi 1970a); C, C. graphica Rosell, 1991 (redrawn from Rosell 1991); D, C. kruegeri Hiro, 1932 (redrawn from Hiro 1932); E, C. studeri (Weltner, 1922) (redrawn from Zevina 1978); F, C. trispinosa Hoek, 1883 (redrawn from Hoek 1883); G, C. eos (Pilsbry, 1907) (redrawn from Pilsbry 1907); H, C. affinis (Broch, 1922) (redrawn from Broch 1922); I, C. arcuata n. sp. (present study, RUMF-ZC-1554); J, Oxynaspis alatae Totton, 1940 (redrawn from Totton 1940); K, Oxynaspis gracilis Totton, 1940 (redrawn from Totton 1940); L, O. celata Darwin, 1852 (redrawn from Darwin 1852); M. O. celata japonica Broch, 1922 (redrawn from Broch 1922); N, O. c. hirtae Totton, 1940 (redrawn from Totton, 1940); O, O. c. indica Annandale, 1909 (redrawn from Totton 1940); P, O. cancellatae Totton, 1940 (redrawn from Totton 1940); Q, O. ryukyuensis n. sp. (present study, (RUMF-ZC-1558). Arrow in I indicates the diagnostic carina in C. arcuata n. sp., u indicates the location of the umbo of the carina in Oxynaspis species. The distal arm indicates the length of carinal margin above the umbo, basal arm indicate length of carinal margin below the umbo (see J). The length ratio of the distal arm to basal arm is a diagnostic character to identify Oxynaspis species.