FIGURE 2 in First record of a living species of the genus Janulum (Class Demospongiae) in the Southern Hemisphere

FIGURE 2. Morphology and megascleres of northeast Atlantic Janulum spinispiculum (Carter, 1876): A. BELUM Mc7745, West Coast of Ireland, deck photo, specimen 40 mm high x 30 mm wide; B. ZMA Por. 19461, southeast Rockall Bank, 680 m, specimen 10 cm long; C. lightly spined strongyles showing a range of morphologies, ZMA Por. 19461, photo E.J. Beglinger; D. thick section showing isodictyal arrangement of spined strongyles, BELUM Mc7745 (Fig. 2D reproduced with permission from Redmond et al. 2013; Fig. 5a); E. spined strongyles from Lundbeck (1902, Pl. XII, Fig. 4a–b), as Metschnikowia spinispiculum, east of Iceland; F. spined microfossil strongyle from a Neogene deep-sea core (about 3–23 Ma) from west of Iceland (reproduced from Bukry, 1978, Pl. 7, Fig. 20).