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571 results for “Hydrothermal vents”
FIGURE 6. Stygiopontius lomonosovi n in Copepods of the family Dirivultidae (Siphonostomatoida) from deepsea hydrothermal vent fields on the MidAtlantic Ridge at 14 ºN and 5 ºS
FIGURE 6. Stygiopontius lomonosovi n. sp., holotype Ψ: A, leg 3, posterior; B, distal exopodal segment of leg 3, posterior; C, leg 4, anterior, arrows indicate missing spines; D, leg 5, left, lost seta arrowed; E, leg 6, left.
FIGURE 2 in Copepods of the family Dirivultidae (Siphonostomatoida) from deepsea hydrothermal vent fields on the MidAtlantic Ridge at 14 ºN and 5 ºS
FIGURE 2. MidAtlantic Ridge, Red Lion hydrothermal site at 5°S: A, active chimney "Shrimps Farm", white spots=swimming shrimps; B, aggregation of alvinocaridid shrimps (Rimicaris sp.) on the chimney "Shrimps Farm". (Photos courtesy by MARUM© 2005, University of Bremen.)
FIGURE 5. Stygiopontius lomonosovi n in Copepods of the family Dirivultidae (Siphonostomatoida) from deepsea hydrothermal vent fields on the MidAtlantic Ridge at 14 ºN and 5 ºS
FIGURE 5. Stygiopontius lomonosovi n. sp., holotype Ψ: A, maxilla; B, maxilliped, posterior view; C, leg 1, anterior; D, leg 2, anterior.
FIGURE 4. Phyllochaetopterus lauensis n in A new species of Phyllochaetopterus (Chaetopteridae: Annelida) from near hydrothermal vents in the Lau Basin, western Pacific Ocean
FIGURE 4. Phyllochaetopterus lauensis n. sp., holotype and paratypes SIO-BIC-A976 and SAMA E3673. A–C, lateral and ventral views of region C; smaller, more posterior segments in Fig. 1A might be regenerated; see also Fig. 1B, segments 5C (larger) and 6C and following (smaller). D, Part of pygidium and posterior chaetigers, ventral view. E, Tube of paratype (SAMA-E 3673). F to J drawn from SEM micrographs. F–H, modified chaetae of A4. F, lateral view of anterior part. G and H, frontal view of head. I, lanceolate leaf-like chaeta of region A. J, uncinus of B2.
FIGURE 2. Phyllochaetopterus lauensis n in A new species of Phyllochaetopterus (Chaetopteridae: Annelida) from near hydrothermal vents in the Lau Basin, western Pacific Ocean
FIGURE 2. Phyllochaetopterus lauensis n. sp. and SEM micrographs of A4 modified chaetae (A–C). A, B, lateral view. C, frontal view of head. D, uncini of B2. P. claparedii McIntosh, 1885 from Tateyama, Boso Peninsula, Tokyo Bay, CMNH-ZW(uncatalogued). E, F, A4 modified chaetae. E, ventral view. F, frontal view of head.
FIGURE 1. Phyllochaetopterus lauensis n in A new species of Phyllochaetopterus (Chaetopteridae: Annelida) from near hydrothermal vents in the Lau Basin, western Pacific Ocean
FIGURE 1. Phyllochaetopterus lauensis n. sp. Photographs of live worms. A. Tube with live animal inside. B–E. Paratype-SAMA-E-3673. B. Right dorsolateral view. C. Dorsal view, showing three body regions; regions A and B pale, region C dark green; A4 cutting chaetae light brown to amber; palps (p) white; note that region A has 9 left and 10 right notopodia. D. Lateral view showing stout cutting chaeta (cc) of A4 and notopodia (n) of B1 and B2. Arrow points to pigmented section of plastron. E. Dorsal view of anterior end showing cirri (c), dorsal groove (dg) and cutting chaetae.
FIGURE 3. Phyllochaetopterus lauensis n in A new species of Phyllochaetopterus (Chaetopteridae: Annelida) from near hydrothermal vents in the Lau Basin, western Pacific Ocean
FIGURE 3. Phyllochaetopterus lauensis n. sp., A, Lateral view of paratype OMNH-Iv5025. Arrows point to cirri of chaetiger 1. Four sections of plastron indicated by numbers 1-IV. B, Lateral view of head and A and B regions of the holotype. Four sections of plastron indicated by numbers I-IV. C, Ventral view of paratype USNM 1106928, showing different pigmentation pattern of plastron. D, Paratype OMNH-Iv5025, close-up dorsal view of A9 to C1 showing Bregion parapodia and fluid-filled swellings (sw). E, Paratype SAMA E3673, close-up dorsal view of head to chaetiger A1, showing small cirri of first chaetiger (arrows) with projecting internal chaetae.
FIGURE 8 in New crabs from hydrothermal vents of the Kermadec Ridge submarine volcanoes, New Zealand: Gandalfus gen. nov. (Bythograeidae) and Xenograpsus (Varunidae) (Decapoda: Brachyura)
FIGURE 8. Xenograpsus ngatama sp nov., holotype male 16.0 x 15.6 mm, Macauley Caldera (NIWA 18013). A, dorsal view. B, frontal view.
FIGURE 7 in New crabs from hydrothermal vents of the Kermadec Ridge submarine volcanoes, New Zealand: Gandalfus gen. nov. (Bythograeidae) and Xenograpsus (Varunidae) (Decapoda: Brachyura)
FIGURE 7. Xenograpsus ngatama sp nov. A, holotype male, 16.0 x 15.6 mm, Macauley Caldera (NIWA 18013). B–C, female, 34.8 x 33.1 mm Brothers Seamount (NZOI stn Z10782). D–E, male, 44.1 x 42.0 mm, Brothers Seamount (NZOI stn Z10782). A, male abdomen (scale bar = 2 mm). B, female abdomen (scale bar = 4 mm). C, left gonopore female (scale bar = 1 mm. D, G1 and G2 (scale bar = 2 mm), E, tip of G1 from opposite side (scale bar = 1 mm).
FIGURE 6 in New crabs from hydrothermal vents of the Kermadec Ridge submarine volcanoes, New Zealand: Gandalfus gen. nov. (Bythograeidae) and Xenograpsus (Varunidae) (Decapoda: Brachyura)
FIGURE 6. Xenograpsus ngatama sp. nov., holotype male, 16.0 x 15.6 mm, Macauley Caldera (NIWA 18013). A, dorsal view whole carapace (scale bar = 5 mm). B, magnified right anterolateral margin (scale bar = 2 mm). C, outer face right cheliped (scale bar = 2 mm). D, dorsal view right cheliped (scale bar = 2 mm). E, left third maxilliped (scale bar = 2 mm)., F, posterior view right P4 and P5 (scale bar = 5 mm);
FIGURE 9 in New crabs from hydrothermal vents of the Kermadec Ridge submarine volcanoes, New Zealand: Gandalfus gen. nov. (Bythograeidae) and Xenograpsus (Varunidae) (Decapoda: Brachyura)
FIGURE 9. Xenograpsus ngatama sp nov., male, 27.1 x 25.8 mm, Brothers Seamount (NZOI Z10782). A, dorsal view. B, frontal view.
FIGURE 5 in New crabs from hydrothermal vents of the Kermadec Ridge submarine volcanoes, New Zealand: Gandalfus gen. nov. (Bythograeidae) and Xenograpsus (Varunidae) (Decapoda: Brachyura)
FIGURE 5. Gandalfus puia sp. nov., male 36.7 x 22.6 mm, Macauley Caldera. A, first gonopod tip. B, spines on surface of first gonopod. C, second gonopod notch. D, second gonopod tip.
FIGURE 4 in New crabs from hydrothermal vents of the Kermadec Ridge submarine volcanoes, New Zealand: Gandalfus gen. nov. (Bythograeidae) and Xenograpsus (Varunidae) (Decapoda: Brachyura)
FIGURE 4. Gandalfus puia sp. nov., holotype male, 24.3 x 15.5 mm, Rumble III (NZOI stn Z10782). A, oblique frontal view. B, orbital region.
FIGURE 3 in New crabs from hydrothermal vents of the Kermadec Ridge submarine volcanoes, New Zealand: Gandalfus gen. nov. (Bythograeidae) and Xenograpsus (Varunidae) (Decapoda: Brachyura)
FIGURE 3. Gandalfus puia sp. nov., holotype male, 24.3 x 15.5 mm, Rumble III (NZOI stn Z10782). A, dorsal view. B, frontal view.
FIGURE 2 in New crabs from hydrothermal vents of the Kermadec Ridge submarine volcanoes, New Zealand: Gandalfus gen. nov. (Bythograeidae) and Xenograpsus (Varunidae) (Decapoda: Brachyura)
FIGURE 2. Gandalfus puia sp. nov., A–F: holotype male, 24.3 x 15.5 mm, Rumble III (NZOI stn Z10782). G, female, 36.5 x 22.1 mm Brothers Seamount (KOKO0506/32). A, frontal view left orbit (scale bar = 1 mm). B, posterior view right P5 (scale bar = 4 mm). C, male abdomen (scale bar = 4 mm). D, right G1 (scale bar = 1 mm). E, magnified distal part of right G1 (scale bar = 1 mm). F, right G2 with middle region magnified (both scale bars = 1 mm). G, female abdomen (scale bar = 5 mm).
FIGURE 1 in New crabs from hydrothermal vents of the Kermadec Ridge submarine volcanoes, New Zealand: Gandalfus gen. nov. (Bythograeidae) and Xenograpsus (Varunidae) (Decapoda: Brachyura)
FIGURE 1. Gandalfus puia sp. nov., holotype male, 24.3 x 15.5 mm, Rumble III (NZOI stn Z10782). A, Dorsal view carapace (scale bar = 4 mm). B, magnified right anterolateral margin (scale bar = 2 mm). C, outer face right cheliped (scale bar = 4 mm). D, outer face left cheliped (scale bar = 4 mm). E, dorsal view right cheliped (scale bar = 4 mm). F, third maxillipeds (scale bar = 2 mm).
FIGURE 1 in Two new species of Sericosura Fry & Hedgpeth, 1969 (Arthropoda: Pycnogonida: Ammotheidae) from a hydrothermal vent on the East Pacific Rise
FIGURE 1. Sericosura gemmaemonsis sp. nov., TVG0901, female holotype: A, trunk, dorsal view; B, trunk, lateral view; C, oviger and dentition spine, enlarged; D, palp; E, leg 1; F, tarsus, propodus, and claws of leg 1, enlarged; G, leg 3; H, tarsus, propodus, and claws of leg 3, enlarged. Scale bars = 1.0 mm.
FIGURE 2 in Two new species of Sericosura Fry & Hedgpeth, 1969 (Arthropoda: Pycnogonida: Ammotheidae) from a hydrothermal vent on the East Pacific Rise
FIGURE 2. Sericosura dentatus sp. nov., TVG0904, male holotype: A, trunk, dorsal view; B, trunk, lateral view; C, palp; D, oviger; E, leg 1; F, tarsus, propodus, and claws of leg 1, enlarged; G, leg 3; H, propodus, and claws of leg 3, enlarged; I, cement gland tube of leg 3, enlarged. Scale bars = 1.0 mm.
FIGURE 3 in Two new species of Sericosura Fry & Hedgpeth, 1969 (Arthropoda: Pycnogonida: Ammotheidae) from a hydrothermal vent on the East Pacific Rise
FIGURE 3. Sericosura dentatus sp. nov., TVG0903, female paratype: A, leg 3; B, tarsus, propodus, and claws of leg 3, enlarged; C, palp; D, oviger; E, oviger distal articles, enlarged. Scale bars = 1.0 mm.
FIGURE 3 in Probathylepadidae, a new family of Scalpelliformes (Thoracica: Cirripedia: Crustacea), for Probathylepas faxian gen. nov., sp. nov., from a hydrothermal vent in the Okinawa Trough
FIGURE 3. Probathylepas faxian sp. nov., a–m, holotype (MBM 240865) a. soft body; b. dorsal view of basal parts of cirrus VI and penis; c. lateral view of mouth; d. labrum and palp; e. mandible; f. maxilla I; g. maxilla II; h. cirrus I; i. cirrus II; j. intermediate segments of cirrus III; k. terminal segments of cirrus III; l. basal parts of cirrus VI and penis; m. terminal end of penis.
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