Holothuria jousseaumei Cherbonnier, 1954: 255; Cherbonnier, 1955: 147, pl. 34, fig. a-p ; Cherbonnier, 1967: 57, 61 ; Daniel & Halder, 1974: 417; Tortonese, 1977: 275.
Holothuria (Cystipus) jousseaumei; Rowe, 1969: 156; Clark& Rowe, 1971:176; Samyn, 2003: 30, 35, 121.
Type data: EcHh 582; Red Sea; depth not provided; coll. M. Botta, 1837; well preserved; well relaxed; ventro-longitudinal dissection with anal side severely damaged.
Anatomical description: 58 mm long; 12-20 mm wide; bivium arched; trivium flattened; mouth ventral; anus terminal; dorsal body wall light beige; ventral body wall light beige; tentacle colour brownish; dorsal appendages light beige; ventral tube feet light beige; dorsal appendages dispersed all over bivium but with one clear row along lateral side of ambulacrum; ventral tube feet in distinct rows; bivium and trivium not separated by a lateral fringe of appendages; body wall 1 mm thick, rough to the touch; tentacles small, peltate with shallow indentions, number could not be determined; radial plates with slightly convex posterior side, interradial plates only slightly narrower than radial ones; radial plates 1,5 x as long as interradial ones; number of tentacle ampullae could not be determined; number of Polian vesicles could not be determined; number of stone canals could not be determined; gonad in single tuft with ramified, well-developed long brown tubes; longitudinal muscles narrow, free at edges; Cuvierian tubules not observed.
Ossicle description: tentacles with few slender, smooth rods; dorsal and ventral body with tables and buttons, tables with very low spire ending in a very nodulous crown giving a morula-like impression or with a more narrow crown, buttons with 2-8 pairs of perforations (generally with 4 ), very nodulous both marginally and medianly; dorsal appendages with reduced tables, elongated smooth buttons with up to 10 pairs of perforations, rods widened and perforated distally and centrally, and perforated plates; ventral tube feet with ossicle assemblage as in dorsal assemblage , but without perforated plates; longitudinal and cloacal retractor muscles, gut, respiratory tree, cloaca and gonad devoid of ossicles;ossicle assemblage of rete mirabile was not assessed.
Known distribution: Red Sea (Djibouti, Entedebir, Gulf of Aqaba), Seychelles (Mahé).
Taxonomic decision: valid species (confirmed after examination of the type series).
For original description click here.
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