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36 results for “Leptosomatidae”
Figure 1 in An integrative approach to characterize cryptic species in the Thoracostoma trachygaster Hope, 1967 complex (Nematoda: Leptosomatidae)
Figure 1. Sampling points along the California coastline in 2007, 2009, and 2010. White, black, and the dotted area represent clades I, II, and III, respectively.
Figure 9 in An integrative approach to characterize cryptic species in the Thoracostoma trachygaster Hope, 1967 complex (Nematoda: Leptosomatidae)
Figure 9. Morphology of Thoracostoma igniferum sp. nov., pictures are from the holotype. A, tail region with spicules (SP), gubernaculums (GU), apophysis (AP), and ventromedian precloacal supplement (PS); B, anterior region with ocelli (ES) and nerve ring (NR); C, head region with a well-developed cephalic capsule with irregular undulations of the posterior edge (PCC) and amphid (AM); D, cephalic capsule at middle level with the ventral tropis (T).
Figure 4. A in An integrative approach to characterize cryptic species in the Thoracostoma trachygaster Hope, 1967 complex (Nematoda: Leptosomatidae)
Figure 4. A, nonmetric multidimensional scaling (MDS) comparing video-measured individuals from clades I and II found in 2007. B, nonmetric MDS comparing directly measured individuals from slides from clades I, II, and III found in 2009 and 2010 including sexual characters (males only).
Supplementary material 1 from: Zograf JK, Semenchenko AA, Mordukhovich VV (2024) New deep-sea species of Aborjinia (Nematoda, Leptosomatidae) from the North-Western Pacific: an integrative taxonomy and phylogeny. ZooKeys 1189: 231-256. https://doi.org/10.3897/zookeys.1189.111825
Light microscopy, DIC. Leptosomatides sp., female
Figure 7 from: Zograf JK, Semenchenko AA, Mordukhovich VV (2024) New deep-sea species of Aborjinia (Nematoda, Leptosomatidae) from the North-Western Pacific: an integrative taxonomy and phylogeny. ZooKeys 1189: 231-256. https://doi.org/10.3897/zookeys.1189.111825
Figure 7 Aborjinia sp. A anterior end of female B head end of female C tail of female. Scale bars: 250 µm (B); 500 µm (C); 1000 µm (A).
Figure 3 from: Zograf JK, Semenchenko AA, Mordukhovich VV (2024) New deep-sea species of Aborjinia (Nematoda, Leptosomatidae) from the North-Western Pacific: an integrative taxonomy and phylogeny. ZooKeys 1189: 231-256. https://doi.org/10.3897/zookeys.1189.111825
Figure 3 Aborjinia profunda sp. nov. A anterior end of male B head of male C male reproductive system D male tail. Abbreviation: c.s – cephalic sensilla. Scale bars: 100 µm (B); 200 µm (D); 500 µm (A); 2000 µm (C).
Figure 1 from: Zograf JK, Semenchenko AA, Mordukhovich VV (2024) New deep-sea species of Aborjinia (Nematoda, Leptosomatidae) from the North-Western Pacific: an integrative taxonomy and phylogeny. ZooKeys 1189: 231-256. https://doi.org/10.3897/zookeys.1189.111825
Figure 1 Map of the investigated area. Dots indicate sampled stations: A1 – Aborjinia sp. juvenile; A2 – Aborjinia sp. female; A3 – Aborjinia profunda sp. nov. male.
Figure 9 from: Zograf JK, Semenchenko AA, Mordukhovich VV (2024) New deep-sea species of Aborjinia (Nematoda, Leptosomatidae) from the North-Western Pacific: an integrative taxonomy and phylogeny. ZooKeys 1189: 231-256. https://doi.org/10.3897/zookeys.1189.111825
Figure 9 Consensus ITS2 secondary structure and the hemi compensatory base change (hemi-CBCs) derived from Aborjinia species. The four stems are labelled. Each type of base change (H1-H3) indicates by unique color. CU and GU change that relates to H1 or H2 depending on comparison pair.
Figure 2 from: Zograf JK, Semenchenko AA, Mordukhovich VV (2024) New deep-sea species of Aborjinia (Nematoda, Leptosomatidae) from the North-Western Pacific: an integrative taxonomy and phylogeny. ZooKeys 1189: 231-256. https://doi.org/10.3897/zookeys.1189.111825
Figure 2 Examined species of Aborjinia, entire bodies, light microscopy AAborjinia sp., female (assembled panorama) BTerebelus sp. with juvenile of Aborjinia sp. CAborjinia profunda sp. nov., male. Scale bars: 5000 µm.
Figure 8 from: Zograf JK, Semenchenko AA, Mordukhovich VV (2024) New deep-sea species of Aborjinia (Nematoda, Leptosomatidae) from the North-Western Pacific: an integrative taxonomy and phylogeny. ZooKeys 1189: 231-256. https://doi.org/10.3897/zookeys.1189.111825
Figure 8 Light microscopy, DIC. Aborjinia sp., female A anterior end B head C anterior end with cephalic sensilla D tail end with spinneret E pharynx-intestine connection F cellular bodies of the cervical excretory gland G ovary H vulva region. Abbreviation: c.e.g. – cervical excretory gland, h.s. – cephalic sensilla; i – intestine, o – ovary, o.l.s. – outer labial sensilla, ph – pharynx, v – vulva. Scale bars: 50 μm (C); 100 μm (D); 500 µm (A, B, E, F–H).
Figure 10 from: Zograf JK, Semenchenko AA, Mordukhovich VV (2024) New deep-sea species of Aborjinia (Nematoda, Leptosomatidae) from the North-Western Pacific: an integrative taxonomy and phylogeny. ZooKeys 1189: 231-256. https://doi.org/10.3897/zookeys.1189.111825
Figure 10 Bayesian phylogeny of the family Leptosomatidae, using concatenated 18S and 28S rDNA and SYM+ G model of nucleotide substitution. Enoplus sp. (Enoplidae) and Phanodermatidae gen. sp. were used as outgroup to root tree. Bayesian posterior probabilities (PP) are given above tree nodes and bootstrap support values found in the ML analysis are shown below nodes. Specimens obtained in this study are in bold.
Figure 6 from: Zograf JK, Semenchenko AA, Mordukhovich VV (2024) New deep-sea species of Aborjinia (Nematoda, Leptosomatidae) from the North-Western Pacific: an integrative taxonomy and phylogeny. ZooKeys 1189: 231-256. https://doi.org/10.3897/zookeys.1189.111825
Figure 6 Aborjinia profunda sp. nov. SEMA anterior end of male B head of the male C amphideal fovea D posterior end of the male E spicules protruding from cloacal opening F spicules G tail tip with spinneret opening. Scale bars: 2 µm (C); 20 µm (B, D, E, F, G); 100 µm (A).
Figure 5 from: Zograf JK, Semenchenko AA, Mordukhovich VV (2024) New deep-sea species of Aborjinia (Nematoda, Leptosomatidae) from the North-Western Pacific: an integrative taxonomy and phylogeny. ZooKeys 1189: 231-256. https://doi.org/10.3897/zookeys.1189.111825
Figure 5 Aborjinia profunda sp. nov. Light microphotographs of transverse sections A buccal cavity at the upper level of the head (h) B buccal cavity surrounded with pharyngeal glands C pharyngeal region tightly filled with pharyngeal glands bodies D midbody with intestine and gonad E posterior region at the level of distal part of spicules F posterior region close to cloacal opening. Abbreviation: bc – buccal cavity, c – cloaca, cu – cuticle, gc – germinal cells, h – heilostoma, i – intestine, lc – lateral chords, pg – pharyngeal glands, s – spicules, vc – ventral chords. Scale bars: 20 µm (A–C); 50 µm (E, F); 100 µm (D).
Figure 4 from: Zograf JK, Semenchenko AA, Mordukhovich VV (2024) New deep-sea species of Aborjinia (Nematoda, Leptosomatidae) from the North-Western Pacific: an integrative taxonomy and phylogeny. ZooKeys 1189: 231-256. https://doi.org/10.3897/zookeys.1189.111825
Figure 4 Aborjinia profunda sp. nov., male. Light microscopy, DIC A–C head D, E cellular bodies of the cervical excretory gland F crystalloid bodies G, H posterior end region I the vesicula seminalis region. Abbreviations: a – amphid, a.t. – anterior testis, c.s. – cephalic sensillum, c.e.g. – cervical excretory gland, n.r. – nerve ring, p.t. – posterior testis, s. – spinneret, sp. – spicules, vd – vas deferens. Scale bars: 50 µm.
Fig. 4 in A New Species of Free-living Marine Nematode, Proplatycoma tsukubae sp. nov. (Enoplida: Leptosomatidae), from Japan
Fig. 4. Proplatycoma tsukubae sp. nov. A, immature female body; B, immature female head; C, immature female reproductive system; D, immature female posterior region. Abbreviations: a.o., anterior ovary; m.l., microlabium; v., vulva.
Fig. 2 in A New Species of Free-living Marine Nematode, Proplatycoma tsukubae sp. nov. (Enoplida: Leptosomatidae), from Japan
Fig. 2. Differential interference contrast micrographs of Proplatycoma tsukubae sp. nov. A, male head (holotype); B, male amphidial flap (holotype), C, male amphidial flap (paratype); D, male cloacal region (holotype); E, precloacal ventromedian supplements (holotype); F, precloacal ventrolateral supplements (holotype); G, tip of male tail with terminal setae (holotype); H, immature female amphidial aperture. Abbreviations: a.p.s., anterior precloacal ventromedian supplement; c., cloaca; m.l., microlabium; c.c., cephalic capsule; p.p.s., posterior precloacal ventromedian supplement; p.s., postcloacal ventromedian supplement.
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