FIGURE 3 in First record of a living species of the genus Janulum (Class Demospongiae) in the Southern Hemisphere

FIGURE 3. Morphology and megascleres of New Zealand Janulum species: A. Janulum princeps sp. nov., spined strongyle, length 160 µm, width 20 µm, reproduced from Hinde & Holmes (1892: Plate 7, Fig. 51); Janulum imago sp. nov., holotype NIWA 94196: B. spined strongyles showing a range of curvature of the ends of the spicules; C. preserved holotype encrusting the stony coral Solenosmilia variabilis; D. close-up of surface showing oscules and larger perforations; E. view through sponge surface showing choanosomal isodictyal reticulation and tangential reticulation lining two canals; F. close-up view of strongyles in isodictyal reticulation.