dc:creator"Cepeda, Diego; Sánchez, Nuria; Sørensen, Martin V.; Landers, Stephen C.";
dc:date"2022";
dc:title"Leiocanthus quinquenudus sp. nov. and L. satanicus sp. nov., two new species of pycnophyid Kinorhyncha (Allomalorhagida: Pycnophyidae) from the Gulf of Mexico";
dc:description"FIGURE 6. Light micrographs showing trunk overviews and details in the head, neck and main cuticular ornamentations of female holotype NHMD-915202 (A–B, I–J) and male paratype NHMD-915207 (C–H, K) of Leiocanthus satanicus sp. nov. A, dorsal overview; B, ventral overview; C, outer oral styles of mouth cone (arrows indicate the lateral incisions); D, detail of a spinoscalid (arrow indicates the fringes of the basal sheath), inset shows the rhomboid cuticular piece; E, trichoscalids; F, regular-sized scalids of sector 03 (black head arrows indicate the arrangement of the scalids); G, dorsal placids; H, ventral placids (arrows indicate the posterolateral margins); I, horn-shaped anterolateral projections of segment 1 tergal plate; J, daggerlike extensions of segment 10 tergal plate; K, anterior margin of segment 1 tergal plate and conspicuous cuticular wrinkles (indicated by arrow and circle). Scales: A–B, 100 μm; C–K, 20 μm; inset of D, 10 μm. Abbreviations: bs, basal sheath; ep, endpiece; s03, introvert sector 3.";
dc:description"FIGURE 8. Scanning electron micrographs showing general overview and details of the cuticular morphology of a male (A–F) and a female (G–J) non-type specimens of Leiocanthus satanicus sp. nov. A, ventral overview; B, ventral view of the left episternal plate of segment 1; C, ventral view of the left sternal plates of segments 2–3; D, laterodorsal to ventromedial view on right half of cuticular plates of segments 4–5; E, ventral view of the left sternal plates of segments 8–9; F, ventral view of the right sternal plate of segment 10. Scales: A, 100 μm; B–J, 10 μm. Abbreviations: cr, cuticular ridge; gco, glandular cell outlet; lvse, lateroventral seta; ps, penile spine; pvse, paraventral seta; vlse, ventrolateral seta; vmse, ventromedial seta; vmt, ventromedial tube; sensory spots are marked as dashed circles; ♂ indicates the presence of male sexually dimorphic structures.";
dc:description"FIGURE 7. Light micrographs showing trunk cuticular details of female holotype NHMD-915202 (B, C, E, G, I, K) and male paratype NHMD-915207 (A, D, F, H, J) of Leiocanthus satanicus sp. nov. A, middorsal to paralateral view on left half of tergal plate of segment 1; B, left sternal plate of segment 2; C, left sternal plates of segments 3–4; D, middorsal to laterodorsal view on left half of tergal plates of segments 2–3; E, left sternal plates of segments 5–6; F, middorsal to laterodorsal view on left half of tergal plate of segment 5; G, left sternal plate of segment 8; H, middorsal to laterodorsal view on left half of tergal plates of segments 6–7; I, left sternal plate of segment 9; J, middorsal to laterodorsal view on left half of tergal plate of segment 9; K, dorsal overview of segment 11 (inset shows the bulbous protuberance of a male). Scales: A–K, 20 μm; inset of K, 5 μm. Abbreviations: bla, butterfly–like intracuticular atria; bp, bulbous protuberance; bsj, ball-and-socket joint; ldse, laterodorsal seta; mde, middorsal cuticular elevation; ms, muscular scar; pc, pachycyclus; pdse, paradorsal seta; plse, paralateral seta; pvse, paraventral seta; sdse, subdorsal seta; ss3, type 3 sensory spot; vlse, ventrolateral seta; vmse, ventromedial seta; glandular cell outlets as closed circles, and sensory spots as dashed circles; ♂/♀ indicate the presence of sexually dimorphic structures.";
