FIGURE 3A–F. Stelletta anthastra n in Aleutian Ancorinidae (Porifera, Astrophorida): Description of three new species from the genera Stelletta and Ancorina

FIGURE 3A–F. Stelletta anthastra n. sp. A, Holotype, upper side. Grid marks are 1 cm. B, Holotype, obliquely from below. Grid marks are 1 cm. C, Holotype, section showing outer radial structure. Scale bar is 5 cm. D, Holotype, subsample showing radial structure, section perpendicular to c. Scale bar is 5 cm. E, Plagiotriaene. Scale bar is 100 µm. F, Anatriaene, note size difference to plagiotriaene. Scale bar is 20 µm.