FIG. 4. — Tomlinsonia mclaughlinae n in A new species of Tomlinsonia Turquier, 1985 (Crustacea, Cirripedia, Trypetesidae) in hermit crab shells from the Philippines, and a new parasite species of Hemioniscus Buchholz, 1866 (Crustacea, Isopoda, Hemioniscidae)

FIG. 4. — Tomlinsonia mclaughlinae n. sp., paratype ♀ (USNM 1084165), scanning electron micrographs: A, right opercular bar, lateral outer view; B, left opercular bar, lateral outer view; C, mantle aperture, ventral view (arrowheads show inner ridges); D, multifid denticules on inside of right opercular bar and along inner ridge, apical view; E, denticules and setae on outside of left opercular bar, lateral view; F, terminal cirri, lateral view, arrowhead shows position of cirral "cushion" (inset shows terminal view of cirrus); G, terminal cirri, lateral view, arrowheads show position of cirral "cushions"; H, terminal cirral "cushion" (inset shows denticules of "cushion"). Scale bars: A-C, 500 µm; D, E, H, 20 µm; F, G, 200 µm; insets of F, H, 2.5 µm.