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11 results for “Stelletta”
FIGURE 4G–L. Ancorina buldira n in Aleutian Ancorinidae (Porifera, Astrophorida): Description of three new species from the genera Stelletta and Ancorina
FIGURE 4G–L. Ancorina buldira n. sp. G, Oxyaster. Scale bar is 10 µm. H, Oxyaster. Scale bar is 2 µm. I, Oxyaster and sanidaster. Scale bar is 2 µm. J, Sanidaster. Scale bar is 2 µm. K, Plesiaster. Scale bar is 20 µm. L, Plesiaster among oxyasters and diatoms. Scale bar is 20 µm.
FIGURE 4A–F. Ancorina buldira n in Aleutian Ancorinidae (Porifera, Astrophorida): Description of three new species from the genera Stelletta and Ancorina
FIGURE 4A–F. Ancorina buldira n. sp. A, Holotype. View from above. Scale bar is 10 cm. B, Holotype, showing internal structure. Scale bar is 10 cm. C, Plagiotriaene. Scale bar is 200 µm. D, Anatriaene. Scale bar is 200 µm. E, Dichotriaene and protriaene. Scale bar is 200 µm. F, Protriaene. Scale bar is 200 µm.
FIGURE 3G–J. Stelletta anthastra n in Aleutian Ancorinidae (Porifera, Astrophorida): Description of three new species from the genera Stelletta and Ancorina
FIGURE 3G–J. Stelletta anthastra n. sp. G, Oxyasters and anthasters. Scale bar is 10 µm. H, Oxyasters. Scale bar is 2 µm. I, Anthasters. Scale bar is 2 µm. J, Anthasters around unidentified diatom. Scale bar is 10 µm.
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.
FIGURE 2G–L. Stelletta makushina n in Aleutian Ancorinidae (Porifera, Astrophorida): Description of three new species from the genera Stelletta and Ancorina
FIGURE 2G–L. Stelletta makushina n. sp. G, Triaene with three club-shaped rays. Scale bar is 100 µm. H, Diaene, two clubshaped rays. Scale bar is 100 µm. I, Monaene, one club-shaped ray. Scale bar is 200 µm. J, Protriaene. Scale bar is 200 µm. K, Cladome of dichotriaene. Scale bar is 200 µm. L, Oxyaster. Scale bar is 2 µm.
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.
FIGURE 1. Collection locations for Stelletta ovalae and Stelletta makushina n in Aleutian Ancorinidae (Porifera, Astrophorida): Description of three new species from the genera Stelletta and Ancorina
FIGURE 1. Collection locations for Stelletta ovalae and Stelletta makushina n. sp. (■), Stelletta anthastra n. sp. (●), and Ancorina buldira n. sp. (▲) in the Aleutian Islands of Alaska.
FIGURE 2 in A new species of Stelletta (Demospongiae, Astrophorida) without microscleres from Abrolhos Archipelago, northeastern Brazil
FIGURE 2. Stelletta anasteria sp. nov. A, preserved specimen (holotype MNRJ 6170; an ascidian is attached to the surface in the upper right portion of the specimen); B, cortex and periphery of the choanosome in cross section; C, choanosome in cross section; D, spherulous cells near the cortex (co — cortex; sc — subdermal cavity).
FIGURE 1 in A new species of Stelletta (Demospongiae, Astrophorida) without microscleres from Abrolhos Archipelago, northeastern Brazil
FIGURE 1. Map of Abrolhos archipelago, northeastern Brazil, with the distribution of Stelletta anasteria sp. nov.
FIGURE 25. Stelletta clarella. A in The Sponges of the Carmel Pinnacles Marine Protected Area
FIGURE 25. Stelletta clarella. A: Field photo. B: Cross-section showing spicule plush. C: Dichotriaene; small foreign styles and abundant asters visible in the background. D: Oxyaster. E: Spheroxyasters. All images from IZC00048471.
FIGURE 3 in A new species of Stelletta (Demospongiae, Astrophorida) without microscleres from Abrolhos Archipelago, northeastern Brazil
FIGURE 3. Stelletta anasteria sp. nov. Spicules: A, plagiotriaenes; B, anatriaenes; C, oxeas.
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