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247 results for “Anchialine caves”
FIGURE 1 in A new stygiobiont species of Macrobrachium (Crustacea: Decapoda: Caridea: Palaemonidae) from an anchialine cave on Miyako Island, Ryukyu Islands
FIGURE 1. Macrobrachium miyakoense sp. n. Holotype male (cl 14.7 mm) from Miyako Island (CBMZC 8351). Left, living animal in aquarium; Right, entire animal, dorsal view.
FIGURE 2 in A new stygiobiont species of Macrobrachium (Crustacea: Decapoda: Caridea: Palaemonidae) from an anchialine cave on Miyako Island, Ryukyu Islands
FIGURE 2. Macrobrachium miyakoense sp. n. Holotype male (cl 14.7 mm) from Miyako Island (CBMZC 8351). A, rostrum and carapace, lateral view (setae omitted); B, rostrum, anterior part of carapace and cephalic appendages, lateral view; C, same, dorsal view; D, third abdominal somite to telson, and left uropod, lateral view; E, posterior margin of sixth abdominal sternite and interuropodal sclerite, ventral view; inset, tooth on interuropodal sclerite, ventrolateral view; F, telson, dorsal view; G, posterior part of telson, ventral view; H, antenna, ventral view (flagellum omitted); I, epistome, ventral view. Scale bars: A–C, D, H, 2 mm; E, I, 1 mm; F, G, 1 mm, G, 1 mm.
FIGURE 6 in A new stygiobiont species of Macrobrachium (Crustacea: Decapoda: Caridea: Palaemonidae) from an anchialine cave on Miyako Island, Ryukyu Islands
FIGURE 6. Macrobrachium miyakoense sp. n. Paratype male (cl 12.6 mm) from Miyako Island (CBMZC 8352). A, rostrum, anterior part of carapace and cephalic appendages, lateral view; B, chela and carpus of left second pereopod; C, chela and carpus of right second pereopod, lateral view. Scale bar: 2 mm.
Figure 8 in Discovery of a new scale worm (Annelida: Polynoidae) with presumed deep-sea affinities from an anchialine cave in the Balearic Islands (western Mediterranean)
Figure 8. Pollentia perezi gen. & sp. nov. (paratype MNCN 16.01/18956), parapodia. A, anterior parapodia, showing arrangement of elytrophores and cirrophores. B, dorsal view of parapodia of segments 13–15. C, detail of cirrophores, segment 14. D, micrograph of midbody parapodium, anterior view, showing neuroacicula by transparency. E, midbody parapodium, anterior view, scanning electron micrograph, showing chaetal bundles and tapering neuroacicular lobe. F, scanning electron micrograph of midbody parapodium with dorsal cirrus, posterior view. G, midbody parapodium ventral view, with elytrophore and a low, inconspicuous dorsal tubercle. H, detail of papilla on dorsal cirrus. I, anterior parapodia, ventral view. J, detail of papillae ventral cirrus segment 3. K, ventral cirri, smooth from segment 4. L, midbody ventral cirrus. M, ventral papilla. Abbreviations: al, acicular lobe; ci, cirrophore; dc, dorsal cirrus; el, elytrophore; nea, neuroacicular lobe; nei, interior neurochaetae; nes, superior neurochaetae; no, notochaetae; noa, notoacicular lobe; vc, ventral cirrus; 1–15,
Figure 9 in Discovery of a new scale worm (Annelida: Polynoidae) with presumed deep-sea affinities from an anchialine cave in the Balearic Islands (western Mediterranean)
Figure 9. Pollentia perezi gen. & sp. nov. (paratype MNCN 16.01/18956), chaetae. A, notochaetae tentacular segment (segment 1). B, notochaetae bundle. C, detail of tip of notochaetae. D, E, detail of superior neurochaetae, mid length. F, detail of distal end of superior neurochaetae. G, inferior neurochaetae. H, detail of distal end of inferior neurochaeta.
Figure 7 in Discovery of a new scale worm (Annelida: Polynoidae) with presumed deep-sea affinities from an anchialine cave in the Balearic Islands (western Mediterranean)
Figure 7. Pollentia perezi gen. & sp. nov. (paratype MNCN 16.01/18956), elytra. A, outer edge, with microtubercles. B, same, scanning electron micrograph. C, D, detail of microtubercles, scanning electron micrograph. E, light micrograph of tubercles on outer surface. F, smooth inner edge, scanning electron micrograph.
Figure 6 in Discovery of a new scale worm (Annelida: Polynoidae) with presumed deep-sea affinities from an anchialine cave in the Balearic Islands (western Mediterranean)
Figure 6. Pollentia perezi gen. & sp. nov. (paratype MNCN 16.01/18956). A, head with dissected appendages except for lateral antennae. B, head and anterior parapodia, side view (tentacular cirri with removed styles). C, lateral antenna. D, detail of lateral antenna, with internal papillae. E, detail of wrinkled palp, with longitudinal rows of papillae. F, papilla on palp. G, upper lip, without facial tubercle. H, second segment, with wide neuropodial acicular lobe. I, ventral cirrus of second segment. J, detail of papilla of first ventral cirrus. K, transverse rows of cilia on midbody dorsal sides. L, detail of dorsal rows of cilia. M, pharyngeal papillae. N, detail of jaw. Abbreviations: la, lateral antenna; ma, median antenna; mo, mouth; nea, neuroacicular lobe; noa, notoacicular lobe; pa, palp; ph, pharyx; tc, tentacular cirrus; ti, inferior tentacular cirrus; ts, superior tentacular cirrus; vc, ventral cirrus; 1–4, segment number; stars, rows of cilia.
Figure 4 in Discovery of a new scale worm (Annelida: Polynoidae) with presumed deep-sea affinities from an anchialine cave in the Balearic Islands (western Mediterranean)
Figure 4. Pollentia perezi gen. & sp. nov. live specimen. A, dorsal view, showing spotted pigmentation pattern, holotype MNCN 16.01/18955. B, ventral view, showing spotted pigmentation pattern, holotype MNCN 16.01/18955. C, dorsal view, paratype MNCN 16.01/18956. D, detail of anterior end; notice two elytra still attached on first two left elytrophores, paratype MNCN 16.01/18956. Images courtesy of WhiteLife Photography. Abbreviations: br, brain; cma, ceratophore median antenna; dc, dorsal cirrus; ely, elytra; ja, jaws; la, lateral antenna; li, lip; ma, median antenna; np, nephridial papillae; pa, palp; tc1, inferior tentacular cirrus; tcs, superior tentacular cirrus; stars, nephridial ducts.
Figure 5 in Discovery of a new scale worm (Annelida: Polynoidae) with presumed deep-sea affinities from an anchialine cave in the Balearic Islands (western Mediterranean)
Figure 5. Pollentia perezi gen. & sp. nov. (holotype MNCN 16.01/18955) specimen, with all elytra accidentally lost except for a posterior one. A, anterior segments, dorsal view, live specimen. B, detail of prostomium and head appendages, preserved specimen. C, anterior segments of live specimen, with proboscis partly everted. D, anterior segments, ventral view, preserved specimen. E, detail of anterior margin, showing mouth. F, anterior parapodia, ventral view, showing nephridial papillae. G, posterior segments, dorsal view. Abbreviations: cma, ceratophore median antenna; la, lateral antenna; li, lip; ma, median antenna; mo, mouth; np, nephridial papilla; pa, palp; ph, pharyx; tc, tentacular cirrus.
Figure 3 in Discovery of a new scale worm (Annelida: Polynoidae) with presumed deep-sea affinities from an anchialine cave in the Balearic Islands (western Mediterranean)
Figure 3. Phylogenetic hypothesis of Polynoidae inferred from a maximum likelihood analysis based on the reduced dataset of four concatenated genetic markers (18S rRNA, 28S rRNA, 16S rRNA and COI). Alignment was performed with MUSCLE for COI, using default parameters, and with MAFFT for 18S rRNA, 28S rRNA and 16S rRNA, using the xinsi option. Ambiguously aligned positions were removed with GBLOCKS. Support values in branches correspond, per order and separated by '/', to the bootstrap support (BS) values of the maximum likelihood IQ-TREE, the number of genes (concordance) and the numbers of positions (concordance). *Posterior probabilities> 0.9 recovered after Bayesian inference in MRBAYES.
Figure 1. A in Discovery of a new scale worm (Annelida: Polynoidae) with presumed deep-sea affinities from an anchialine cave in the Balearic Islands (western Mediterranean)
Figure 1. A, map of the Balearic Islands showing the known localities (red numbers) of the new cave polynoid worm Pollentia perezi gen. & sp. nov. (1), the stygobiont cirolanid isopod Metacirolana ponsi (1 and 2) and the stygobiont mysid Burrimysis palmeri (1, 2 and 3); these three taxa occur only in full-strength marine water layers of anchialine caves. B, plan view and section of the cave harbouring the new polynoid (after Suárez, 1993; modified). C, temperature and salinity profiles of the anchialine lake harbouring the new polynoid (notice euhaline conditions below 11 m depth). Temperature, salinity and depth profiles were obtained with an RBR XR-420 conductivity, temperature and depth (CTD) profiler.
FIGURE 9. Ophiozonella cavernalis n in First finding of anchialine and submarine cave dwelling brittle stars from the Pacific Ocean, with descriptions of new species of Ophiolepis and Ophiozonella (Echinodermata: Ophiuroidea: Amphilepidida)
FIGURE 9. Ophiozonella cavernalis n. sp. holotype (RUMF-ZE-02008). A, aboral proximal portion of arm; B, aboral middle portion of arm; C, aboral distal tip of arm; D, oral proximal portion of arm; E, oral middle portion of arm; F, oral distal tip of arm; G, lateral middle portion of arm; H, lateral distal tip of arm. Arrow heads indicate tentacle scale. Abbreviation: ASP, arm spine; DAP, dorsal arm plate; LAP, lateral arm plate; VAP, ventral arm plate.
FIGURE 6. Ophiolepis cavitata n in First finding of anchialine and submarine cave dwelling brittle stars from the Pacific Ocean, with descriptions of new species of Ophiolepis and Ophiozonella (Echinodermata: Ophiuroidea: Amphilepidida)
FIGURE 6. Ophiolepis cavitata n. sp. a paratype (RUMF-ZE-02007). SEM images of ossicles. A–C, vertebrae, from proximal portion of arms, proximal view (A), distal view, one oral flange has broken off (B), aboral view (C); D–G, vertebrae, from distal portion of arms, proximal view (D), distal view (E), oral view (F) and aboral view (G); H, I, oral most arm spines, from proximal portion of arms (H), distal portion of arms (I). Orientations: ab, aboral side; dis, distal side; o, oral side; pro, proximal side. Abbreviations: AF, aboral muscle flange; D, depression for tentacle; OF, oral muscle flange; RWC, radial water canal.
FIGURE 4. Ophiolepis cavitata n in First finding of anchialine and submarine cave dwelling brittle stars from the Pacific Ocean, with descriptions of new species of Ophiolepis and Ophiozonella (Echinodermata: Ophiuroidea: Amphilepidida)
FIGURE 4. Ophiolepis cavitata n. sp. holotype (RUMF-ZE-02006). A, aboral middle portion of arm; B, aboral distal tip of arm; C, oral middle portion of arm; D, oral distal tip of arm; E, lateral middle portion of arm; F, lateral distal tip of arm. Abbreviation: ASP, arm spine; DAP, dorsal arm plate; LAP, lateral arm plate: VAP, ventral arm plate.
FIGURE 3. Ophiolepis cavitata n in First finding of anchialine and submarine cave dwelling brittle stars from the Pacific Ocean, with descriptions of new species of Ophiolepis and Ophiozonella (Echinodermata: Ophiuroidea: Amphilepidida)
FIGURE 3. Ophiolepis cavitata n. sp. holotype (RUMF-ZE-02006). A, aboral disc; B, aboral peripheral disc and proximal portion of arm; C, aboral central disc; D, oral disc and proximal portion of arms; E, oral disc, an arrow head indicates a concaved part; F, interradial oral disc; G, oral proximal portion of arm, arrowheads indicate tentacle scales; H, aboral proximal portion of arm. Abbreviations: ASH, adoral shield; ASP, arm spine; DAP, dorsal arm plate; GS, genital slit; K, dorsal knob; LAP, lateral arm plate; OP, oral plate; OS, oral shield; P, oral papillae; SP, supplementary plate; T, tooth.
FIGURE 2. Ophiolepis cavitata n in First finding of anchialine and submarine cave dwelling brittle stars from the Pacific Ocean, with descriptions of new species of Ophiolepis and Ophiozonella (Echinodermata: Ophiuroidea: Amphilepidida)
FIGURE 2. Ophiolepis cavitata n. sp., living holotype (RUMF-ZE-02006). A, in situ, aboral view; B, anesthetized, aboral view; C, anesthetized, oral view.
FIGURE 11. Ophiozonella cavernalis n in First finding of anchialine and submarine cave dwelling brittle stars from the Pacific Ocean, with descriptions of new species of Ophiolepis and Ophiozonella (Echinodermata: Ophiuroidea: Amphilepidida)
FIGURE 11. Ophiozonella cavernalis n. sp. a paratype (RUMF-ZE-02009). SEM images of ossicles. A–E, vertebrae, from proximal portion of arms, proximal view (A), distal view (B), aboral view (C) and oral view (D), a square enlarged from D (E); F–H, vertebrae, from distal portion of arms, proximal view (F), distal view (G) and oral view (H); I–K, arm spines, from proximal portion of arms (I), distal portion of arms, inner (J) and outer (K) spines. Orientations: ab, aboral side; dis, distal side; o, oral side; pro, proximal. Abbreviations: AF, aboral muscle flange; D, depression for tentacle; OF, oral muscle flange; RWC, radial water canal; ST, secondary tooth.
FIGURE 5. Ophiolepis cavitata n in First finding of anchialine and submarine cave dwelling brittle stars from the Pacific Ocean, with descriptions of new species of Ophiolepis and Ophiozonella (Echinodermata: Ophiuroidea: Amphilepidida)
FIGURE 5. Ophiolepis cavitata n. sp. a paratype (RUMF-ZE-02007). SEM images of ossicles. A, B, dorsal arm plates, aboral views, from proximal portion (A) and middle portion of arm (B); C–F, lateral arm plates, from proximal portion of arms, inner view (D), outer view, distal view, a square enlarged in F (E), an arm spine articulation (F); G–J, lateral arm plates, from distal portion of arms, outer view (G), inner view (H), distal view, a square enlarged in J (I), an arm spine articulation (J); K, L, ventral arm plates, inner views from proximal portion (K) and distal portion (L) of arms. All lateral arm plates (C–J) are aligned in the same orientation. Orientations: ab, aboral side; dis, distal side; o, oral side; pro, proximal. Abbreviations: DL, dorsal lobe; E, elevated structure; K, dorsal knob; P, perforation; SA, spine articulation; SP, spur; VL, ventral lobe.
FIGURE 8. Ophiozonella cavernalis n in First finding of anchialine and submarine cave dwelling brittle stars from the Pacific Ocean, with descriptions of new species of Ophiolepis and Ophiozonella (Echinodermata: Ophiuroidea: Amphilepidida)
FIGURE 8. Ophiozonella cavernalis n. sp. holotype (RUMF-ZE-02008). A, aboral disc; B, aboral peripheral disc and proximal portion of arm; C, aboral central disc; D, oral disc and proximal portion of arms; E, oral disc; F, interradial oral disc. Abbreviations: ASH, adoral shield; GS, genital slit; OP, oral plate; OS, oral shield; P, oral papillae; T, tooth.
FIGURE 10. Ophiozonella cavernalis n in First finding of anchialine and submarine cave dwelling brittle stars from the Pacific Ocean, with descriptions of new species of Ophiolepis and Ophiozonella (Echinodermata: Ophiuroidea: Amphilepidida)
FIGURE 10. Ophiozonella cavernalis n. sp. a paratype (RUMF-ZE-02009). SEM images of ossicles. A–C, dorsal arm plates, from proximal portion of arm, a square enlarged in B (A), and distal tip, an arrow head indicates a distal knob (B), and from distal portion of arm (C); D–G, lateral arm plates, from proximal portion of arms, outer view (D), inner view (E), distal view, a square enlarged in G (F), an arm spine articulation (G); H–K, lateral arm plates, from distal portion of arms, outer view (H), inner view (I), distal view, a square enlarged in K (J), an arm spine articulation (K); L, M, ventral arm plates, outer view from proximal portion (L) and inner view from distal portion (M) of arms. All lateral arm plates (D–K) are aligned in the same orientation. Orientations: ab, aboral side; dis, distal side; o, oral side; pro, proximal side. Abbreviations: DL, dorsal lobe; E, elevated structure; P, perforation; SA, spine articuration; SP, spur; VL, ventral lobe.
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Allen Brain Atlas
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