FIGURE 27 in Calcareous sponges of the Western Indian Ocean and Red Sea

FIGURE 27. Clathrina aff. pulcherrima (Dendy, 1891), a, habitus of preserved specimen from Mozambique Channel W of Madagascar (scale bar = 1 cm), a1, detail of head with row of oscules on the rim, b, light microscopic image of skeleton of the basal part of the head, showing aligned parasagittal spicules, c–e, SEM images of the spicules, c, equiradiate triactine with thin actine, d, ditto with thick conical actines, e, various shaped parasagittal triactines.