Fig. 2. Smenospongia nigra n in Twelve new species of two genera Smenospongia and Cacospongia (Demospongia: Dictyoceratida: Thorectidae) from Korea

Fig. 2. Smenospongia nigra n. sp. A, entire animal; B, closed surface; C, end of primary fibre; D, surface primary and secondary fibre; E, choanosome secondary fibres enclosed egg ball; F, choanosome skeletal structure; G, base secondary fibres; H, echinating primary fibres. Scale bars: A = 3 cm, C-H = 200 μm.