FIGURE 42 in Calcareous sponges of the Western Indian Ocean and Red Sea

FIGURE 42. Leucascus schleyeri sp.nov., holotype ZMA Por. 15734, a, SEM image of wall of tubulus with protruding apical actines of tetractines, b, SEM image of parasitic or commensal copepods lodged in the cormus, c, SEM image of perpendicular section of the upper surface showing crowded 'banana'-shaped erect diactines, d, light microscopic image of the same, e–h, SEM images of spicules, e, triactine, f, tetractines, g, details of apical actines of tetractines, h, 'banana'-shaped diactines from the upper surface.