Line Drawing 1
 Fig. 1 Otobothrium alexanderi Palm, 2004 from Carcharhinus melanopterus in the Arafura Sea. A, scolex, dorso-ventral view; B, detail of terminal genitalia; C, mature segment; D, bulb. Abbreviations: c... MoreFig. 1 Otobothrium alexanderi Palm, 2004 from Carcharhinus melanopterus in the Arafura Sea. A, scolex, dorso-ventral view; B, detail of terminal genitalia; C, mature segment; D, bulb. Abbreviations: c, cirrus; ex, excretory canal; hs, hermaphroditic sac; mg, Mehlis' gland; ov, ovary; t, testis; va, vagina; vd, vas deferens; vit, vitelline follicle |
Line Drawing 2
 Fig. 2 Otobothrium alexanderi Palm, 2004 from Carcharhinus cautus in the Timor Sea (A) and from C. Melanopterus in the Arafura Sea (B-D). A, basal tentacular armature, external surface; B, basal and m... MoreFig. 2 Otobothrium alexanderi Palm, 2004 from Carcharhinus cautus in the Timor Sea (A) and from C. Melanopterus in the Arafura Sea (B-D). A, basal tentacular armature, external surface; B, basal and metabasal tentacular armature, bothrial surface; C, basal and metabasal tentacular armature, internal surface; D, profiles of tentacular hooks. Abbreviation: bh, basal tentacular hooks on external surface in lateral (left) and dorsal view (right). |
Photo Micrograph
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Scanning Electron Micrograph
 Fig. 3 Scanning electron micrographs of Otobothrium alexanderi Palm, 2004 from Carcharhinus melanopterus in the Timor Sea. A, anterior region of scolex, dorso-ventral to lateral view; B, proximal both... MoreFig. 3 Scanning electron micrographs of Otobothrium alexanderi Palm, 2004 from Carcharhinus melanopterus in the Timor Sea. A, anterior region of scolex, dorso-ventral to lateral view; B, proximal bothrial surface showing trifid spinitriches; C, basal and metabasal tentacular armature, external surface, note: characteristic group of three hooks; D, acicular filitriches covering pars vaginalis; E, distal bothrial surface showing aristate, trifid spinitriches; F, trifid spinitriches surrounding area of bothrial pit; G, posterior bothrial margin showing bothrial pit |