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Table 13 Comparative morphological and distributional data for the species of Leucopsacus Ijima, 1898

From: Seven new species of sponges (Porifera) from deep-sea coral mounds at Campos Basin (SW Atlantic)

Species Choanosomal spicules Dermal pentactins Atrial hexactins Anchorate discohexactins Discohexasters Other microscleres Locality/depth (m)
L. barracuda sp. nov. (compiled from holotype and paratype) H. 380–1334/8–20
D. 1500–3950/5–13
tan. 287–677/8–18
pro. 493–1047/
10–18
  95–165 38–78 hd. 100 (rare) SW Atlantic (Campos Basin, RJ)/744–923
L. distantus Tabachnick and Lévi, 2004 (orig. descr.) H. 1000–5500/4–91 (also pentactins and stauractins) tan. 1100–1800/38
pro. 4100–4200
  262–245 I. 47–58
II. 532–912
  New Caledonia/680–700
L. ingolfi Burton, 1928 (orig. descr.) H. 300 (media)
D. present
tan.180
pro. 400
  70 440 (media)   Boreal Atlantic/1317–1376
L. orthodocus Ijima, 1898 sensu Tabachnick (2002) H. rays up to 500
D. 1500 (rare)
tan. 270
pro. 2 × tan
280 (at least) 110–168 50–88 hd. present Japan/214–429
L. scoliodocus Ijima, 1903 (orig. descr.) H. rays up to 4000
D. present
tan. 500–800
pro. 2 × tan
260–340 100–180 46–70 s. 38–50 Japan/572
L. scoliodocus var. retroscissus Topsent, 1904 (orig. descr.) H. rays up to 2000
D. rare
tan. 400–500/25–30   105 40–60 hd. present
s. 50
Cape Verde Islands/598–1378
  1. Values are in µm
  2. D diactins, H hexactins, hd hemidiscohexasters, s. sigmatocomes, pro proximal ray, tan tangential ray