FIGURE 3 in Integrative taxonomy justifies a new genus, Nodastrella gen. nov., for North Atlantic " Rossella " species (Porifera: Hexactinellida: Rossellidae)

FIGURE 3. Nodastrella asconemaoida sp. nov. USNM 1150045, specimen (A) and skeleton (B–H). (B, C, E, F) scanning electron micrographs; (D, G, H) light micrographs. (A) Deck photograph of specimen. (B) Dermal stauractin. (C) Atrial hexactin. (D) Dermal tauactin. (E) Microdiscohexaster. (F) Oxyhexaster. (G) "Calycocome" with numerous secondary rays and hardly developed calyces (= calycocome-like stellate discohexaster) (40X). (H) "Proper" calycocome with fewer secondary rays and well-developed calyces (40X).