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30 results for “Rhizocephala”
Fig. 3 in First Record Of The Parasitic Barnacle Sacculina Scabra Boschma, 1931 (Crustacea: Cirripedia: Rhizocephala) Infecting The Shallow Water Swimming Crab Charybdis Truncata
Fig. 3. Colleteric gland tubules of Sacculina scabra on the A) left hand side and B) right hand side of the visceral mass. Scale bar in m.
Fig. 2 in First Record Of The Parasitic Barnacle Sacculina Scabra Boschma, 1931 (Crustacea: Cirripedia: Rhizocephala) Infecting The Shallow Water Swimming Crab Charybdis Truncata
Fig. 2. Transverse sections of A) male receptacles, B) receptacle duct near the male receptacles showing the thick lining, C) folded lining (f) of receptacle duct, D) the paired receptacle ducts joined in the same chamber, E) the receptacle duct separated again at the region of the duct opening, F) receptacle duct opening, showing thick, cuticular lining. All the figures are to the same scale. Scale bar in m.
Fig. 1 in First Record Of The Parasitic Barnacle Sacculina Scabra Boschma, 1931 (Crustacea: Cirripedia: Rhizocephala) Infecting The Shallow Water Swimming Crab Charybdis Truncata
Fig. 1. Drawing of the externa of Sacculina scabra from a male and female Charybdis truncata. Scale bar in mm.
FIGURE 12. Peltogaster reticulata, nauplius V. A in The parasitic barnacle Peltogaster reticulata Shiino, 1943 (Rhizocephala, Peltogastridae) fromRussian watersof the Sea of Japan:morphological description molecular identification and complete larval development
FIGURE 12. Peltogaster reticulata, nauplius V. A, ventral view; B, head shield setae; C, frontolateral horn; D, hind body; E, antennula. Cf, cuticular fringes; su, suture; 1–2a, head shield setae; 5, 6, antennular setae.
FIGURE 13. Peltogaster reticulata, cypris larva. A in The parasitic barnacle Peltogaster reticulata Shiino, 1943 (Rhizocephala, Peltogastridae) fromRussian watersof the Sea of Japan:morphological description molecular identification and complete larval development
FIGURE 13. Peltogaster reticulata, cypris larva. A, lateral view of male larva; B, anterior lattice organ 2 (LO2); C, posterior lattice organs 3–5; D, pores of frontolateral horn gland; E, F, porefields; G, hole with porefield; H, antennules of male cyprid; I, J, attachment disc of male larva; K, the fourth antennular segment of male larva; L, M, attachment disc of female larva; N, the fourth antennular segment of female larva. As, axial sense seta; bz, breakage zone; fe, flap-like extension; fp, filamentous processes; ma, male aesthetasc; oes, open-ended seta; p, pore; pas1, postaxial sense seta 1; pas2, postaxial sense seta 2; pf, porefield; sa, subterminal aesthetasc; sk, skirt; ts, terminal setae.
FIGURE 4 in The parasitic barnacle Peltogaster reticulata Shiino, 1943 (Rhizocephala, Peltogastridae) fromRussian watersof the Sea of Japan:morphological description molecular identification and complete larval development
FIGURE 4. BI consensus tree of partial mt COI gene sequences of the genus Peltogaster. The HKY+G substitution model was used for the analysis. The Bayesian posterior probability and bootstrap values higher than 50% for the NJ analyses are shown near nodes (the order of their values is BI/NJ).
FIGURE 8 in The parasitic barnacle Peltogaster reticulata Shiino, 1943 (Rhizocephala, Peltogastridae) fromRussian watersof the Sea of Japan:morphological description molecular identification and complete larval development
FIGURE 8. Outlines of antennules (Al I–Al V), antenna (An) and mandible (Md) of the naupliar stages of Peltogaster reticulata. 1–6, antennular setae; bs, basipod seta. Scale bar 25 µm.
FIGURE 11. Peltogaster reticulata, nauplius IV. A in The parasitic barnacle Peltogaster reticulata Shiino, 1943 (Rhizocephala, Peltogastridae) fromRussian watersof the Sea of Japan:morphological description molecular identification and complete larval development
FIGURE 11. Peltogaster reticulata, nauplius IV. A, ventral view; B, hind body; C, furca; D, antennule. De, denticles; 5, 6, antennular setae.
FIGURE 3 in The parasitic barnacle Peltogaster reticulata Shiino, 1943 (Rhizocephala, Peltogastridae) fromRussian watersof the Sea of Japan:morphological description molecular identification and complete larval development
FIGURE 3. Transverse sections of the externa of Peltogaster reticulata. A, mature ovary; B, embryos; C, colleteric gland; D, colleteric gland near posterior end; E, left and right receptacles (colleteric gland does not reach the stalk); F, left receptacle near anterior end; G, receptacle duct; H, receptacle duct before outlet in the mantle cavity. Cg, colleteric gland; em, embryos; ov, ovary; m, mantle; r, receptacle; rd, receptacle duct; sh, shield; st, stalk.
FIGURE 10. Peltogaster reticulata, nauplius III. A in The parasitic barnacle Peltogaster reticulata Shiino, 1943 (Rhizocephala, Peltogastridae) fromRussian watersof the Sea of Japan:morphological description molecular identification and complete larval development
FIGURE 10. Peltogaster reticulata, nauplius III. A, ventral view; B, frontolateral horn; C, hind body with furca; D, antennular setae; E, antenna. Bs, basipod seta; se, subterminal seta; su, suture.
FIGURE 2 in The parasitic barnacle Peltogaster reticulata Shiino, 1943 (Rhizocephala, Peltogastridae) fromRussian watersof the Sea of Japan:morphological description molecular identification and complete larval development
FIGURE 2. SEM showing cuticle structure of the externa of Peltogaster reticulata. A, external cuticle (arrows show longitudinal and transverse ridges); B, internal cuticle; C, a group of two retinacula on one base; D, groups of two or four retinacula; E, a single balloon-like retinaculum; F, lamp-brush retinaculum is released out of balloon-like envelope.
FIGURE 9. Peltogaster reticulata, nauplius II. A in The parasitic barnacle Peltogaster reticulata Shiino, 1943 (Rhizocephala, Peltogastridae) fromRussian watersof the Sea of Japan:morphological description molecular identification and complete larval development
FIGURE 9. Peltogaster reticulata, nauplius II. A, ventral view; B, dorsal view; C, flotation collar; D, head shield setae; E, the third head shield seta with subterminal pore; F, head shield pore; G, attachment ridge; H, frontolateral horn; I, labrum; J, hind body; K, furca; L, antennules and antennae. Bs, basipod seta; cf, cuticular fringes; fc, flotation collar; po, pore on shield head (D) and on attachment disc (G); se, subterminal seta; su, suture; 1, 2, 2a, anterior head shield setae; 1–5, antennular setae.
FIGURE 6 in The parasitic barnacle Peltogaster reticulata Shiino, 1943 (Rhizocephala, Peltogastridae) fromRussian watersof the Sea of Japan:morphological description molecular identification and complete larval development
FIGURE 6. Body outlines (ventral view) of male and female larvae of Peltogaster reticulata. A, NI–NV, naupliar stages; B, cypris stages; C, head shield of nauplius III (dorsal view with setation); D, carapace of cyprid (lateral view with lattice organs). 1–5, head shield setae (C), lattice organs (D); p, pore; pf, porefield. Scale bar 100 µm.
FIGURE 5 in The parasitic barnacle Peltogaster reticulata Shiino, 1943 (Rhizocephala, Peltogastridae) fromRussian watersof the Sea of Japan:morphological description molecular identification and complete larval development
FIGURE 5. Size-frequency distribution of male (black bars) and female (grey bars) cyprids of Peltogaster reticulata.
FIGURE 7. Peltogaster reticulata, nauplius I. A in The parasitic barnacle Peltogaster reticulata Shiino, 1943 (Rhizocephala, Peltogastridae) fromRussian watersof the Sea of Japan:morphological description molecular identification and complete larval development
FIGURE 7. Peltogaster reticulata, nauplius I. A, ventral view; B, dorsal view; C, details of B; D, frontolateral horn; E, appendages. Al, antennule; an, antenna; fh, frontolateral horn; fr, furcal rami; md, mandible; po, pore; se, subterminal seta; su, suture; 2, 2a, head shield setae.
FIGURE 4 in A new species of the genus Peltogaster Rathke, 1842 (Cirripedia: Rhizocephala: Peltogastridae) parasitizing the hermit crab Pagurixus boninensis (Melin, 1939) from the Bonin Islands, Japan
FIGURE 4. Schematic drawing of the colleteric gland, ganglion, stalk, receptacle, and its ducts in dorsal view. The arrow indicates the anterior end of the externa. Abbreviations: GA, ganglion; LCG, left colleteric gland; LDO, left opening receptacle duct; LRD, left receptacle duct; LRE, left receptacle; RCG, right colleteric gland; RDO, right opening receptacle duct; RRD, right receptacle duct; RRE, right receptacle; ST, stalk. Scale bar = 100 µm.
FIGURE 3 in A new species of the genus Peltogaster Rathke, 1842 (Cirripedia: Rhizocephala: Peltogastridae) parasitizing the hermit crab Pagurixus boninensis (Melin, 1939) from the Bonin Islands, Japan
FIGURE 3. Histological section of Peltogaster unigibba n. sp. (RUMF-ZC-3067). a) Transverse section. b–f) Cross-section. a) Mantle aperture (the asterisk indicates the mantle aperture and white arrow indicates the 2-cell stage of embryo); b) externa at colleteric glands; c) colleteric glands and ganglion; d) externa at stalk level; e) left receptacle duct; f) opening receptacle duct. Black arrows indicate the dorsal direction. Abbreviations: EM, embryo; GA, ganglion; LCG, left colleteric gland; LDO, left opening receptacle duct; LL, left lobe; LRD, left receptacle duct; LRE, left receptacle; M, mantle; MC, mantle cavity; MW, mantle aperture wall; OV, ovary; RCG, right colleteric gland; RDO, right opening receptacle duct; RRD, right receptacle duct; RRE, right receptacle; SH, shield; ST, stalk. Scale bars: a, b, d, and f = 100 µm; c and e = 50 µm.
FIGURE 1 in A new species of the genus Peltogaster Rathke, 1842 (Cirripedia: Rhizocephala: Peltogastridae) parasitizing the hermit crab Pagurixus boninensis (Melin, 1939) from the Bonin Islands, Japan
FIGURE 1. Live coloration of Peltogaster unigibba n. sp. attached to its host, Pagurixus boninensis (Melin, 1939). Holotype, RUMF-ZC-3067. The arrow indicates the externa. Abbreviations: LL, left lobe; MA, mantle aperture. Scale bar = 1 mm.
FIGURE 2 in A new species of the genus Peltogaster Rathke, 1842 (Cirripedia: Rhizocephala: Peltogastridae) parasitizing the hermit crab Pagurixus boninensis (Melin, 1939) from the Bonin Islands, Japan
FIGURE 2. Right side of the externa of Peltogaster unigibba n. sp. Holotype, RUMF-ZC-3067. Abbreviations: HA, attached portion of the host; LL, left lobe; MA, mantle aperture; SH, shield; ST, stalk. Scale bar = 1 mm.
Figure 5 in Two new cryptic and sympatric species of the king crab parasite Briarosaccus (Cirripedia: Rhizocephala) in the North Pacific
Figure 5. SEM photographs of cuticular ultrastructures of the externae. All images taken from specimens of B. regalis n. sp. (a) External surface of the mantle. Arrows are indicating fields of small papillae, which are irregularly distributed over the surface. (b, c) Details of papillae-patches on the external mantle surface. (d, e) Small hairs covering the inner mantle surface, close towards the mantle opening. (f) Outer edge of the mantle opening. Arrows are indicating the distinct break between the smooth outer and hairy inner mantle surface. (g, h) Groups of retinacula of the inner mantle surface. (i) Single retinaculum spindle.
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