FIGURE 11 in Two Northeast Pacific deep-water barnacle populations (Cirripedia: Calanticidae and Pachylasmatidae) from seamounts of the Juan de Fuca Ridge; " insular " endemics stemming from Tethys, or by subsequent dispersal from the Western Pacific center of distribution?

FIGURE 11. Atetrapachylasma dijonesae gen. et sp. nov. holotype: A, exterior view of female with males; note largely exposed alae and the pair of males on each side of the tight fitting occludent ridges of the scuta. B, interior view of the same female, note the tight fit of the bearing surfaces of the alae on the adjacent plates, and the close fit of the sutures between plates, especially between the opercular plates and the interior of the orifice