A guide to the deep-water sponges of - NMFS Scientific Publications ...

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44 Professional Paper NMFS 12 28. Erylus aleuticus Lehnert, Stone and Heimler, 2006 Description. Lobate sponge consists of several flattened lobes (oval to circular). The surface is hard due to an ectosomal crust of aspidasters about 0.5 mm in thickness. Numerous uniporal orifices are scattered over the surface at intervals of 0.5–1.0 mm. The orifices are circular, 0.5–1.0 mm in diameter, and slightly (
29. Geodia lendenfeldi nomen novum Description. Small, cylindrical sponge has an ectosomal hard cortex of sterrasters and a softer choanosome. Lendenfeld (1910) described the species as encrusting, cushion-shaped, or irregularly finger-shaped. The specimen collected in the Aleutian Islands was a single cylinder approximately 5 cm in height and 1 cm in width. Color in life is white to creamy white. Skeletal structure. There are sterrasters (170–200 × 130-140 µm), choanosomal styles and oxeas (1200–1760 × 30–40 µm), diaenes of the same size as oxeas, and tylasters (10 µm). Triaenes are absent. Zoogeographic distribution. Rare. In Alaska – Aleutian Islands and Southeast Alaska. Elsewhere – previously known from the west coast of North America from Southeast Alaska to southern California. Habitat. In Alaska – found in cobble, pebble, and sand habitat at a depth of 190 m. Epizoic on the demosponge Erylus aleuticus. Elsewhere – no information available. Remarks. Triaenes are absent in G. robusta, which prompted Lendenfeld (1910) to erect the genus Geod- 45 inella that is now regarded as synonymous with Geodia. This specimen is the same as Geodia robusta (Lendenfeld, 1910). G. robusta (Lendenfeld, 1910) is a junior homonym of G. robusta (Lendenfeld, 1907) however, and according to the World Porifera Database (Van Soest et al., 2008) it has no valid name. Thus, we suggest renaming G. robusta (Lendenfeld, 1910) as Geodia lendenfeldi. Photo. 1) Fragments of specimen collected at a depth of 190 m in the central Aleutian Islands. Grid marks are 1 cm 2 .
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Page 5 and 6: CONTENTS Introduction . . . . . . .
Page 7: CONTENTS (continued) 75. Tedania (T
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Page 21 and 22: 2. Leucandra poculiformis Hozawa, 1
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Page 25 and 26: 5. Farrea occa occa Bowerbank, 1862
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Page 29 and 30: 9. Aphrocallistes vastus Schulze, 1
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Page 37 and 38: 15. Acanthascus (Staurocalyptus) so
Page 39 and 40: 17. Acanthascus (Staurocalyptus) sp
Page 41 and 42: 19. Aulosaccus schulzei Ijima, 1896
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