FIGURE 37 in Calcareous sponges of the Western Indian Ocean and Red Sea

FIGURE 37. Leucaltis nodusgordii (Poléjaeff, 1883), ZMA Por. 16248, from the Seychelles, a, preserved habitus (scale bar = 1 cm), b–e, SEM images of the skeleton, b, cross section of tube, c, surface of the tube showing cortex of giant tri- and tetractines, d, part of the choanosomal skeleton showing small regular tri- and tetractines, e, atrial skeleton of sagittal 'abruptly' angled tri- and tetractines.