FIGURE 2A–F. Stelletta makushina n in Aleutian Ancorinidae (Porifera, Astrophorida): Description of three new species from the genera Stelletta and Ancorina

FIGURE 2A–F. Stelletta makushina n. sp. A, Holotype at left. Stelletta ovalae Tanita, 1965 at right. Grid marks are 1 cm. B, left: through the cortex (dark band) protruding triaenes, right: interior of sponge. Scale bar is 500 µm. C, Cladomes of protruding triaenes. Scale bar is 500 µm. D, Cladome of anatriaene. Scale bar is 100 µm. E, Plagiotriaene. Scale bar is 200 µm. F, Plagiotriaene with two reduced club-shaped rays. Scale bar is 200.