FIGURE 8. Spicules from the holotype MNHN DCL 4111 in A new species of lithistid sponge hiding within the Isabella mirabilis species complex (Porifera: Demospongiae: Tetractinellida) from seamounts of the Norfolk Ridge

FIGURE 8. Spicules from the holotype MNHN DCL 4111 (QM G318737) Isabella tanoa n. sp. A to C, centrotylote microacanthoxeas. D, close up of the tip of the centrotylote microacanthoxeas. E, long ectosomal dichotriaenes. F, short-shafted ectosomal dichotriaenes. G to J, spirasters with long thin thorny arms. K to Q, streptasters with short thick thorny arms of variable number, length and termination.