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FIGURE 2. Loveninema tubulosa gen. n in Swedish Plectida (Nematoda). Part 3. The genus Loveninema gen. n.

FIGURE 2. Loveninema tubulosa gen. n., sp. n., holotype female (A–C) and paratype male (D). A: Pharyngeal region, median section; B: Anterior end, surface view; C: Female tail; D: Male posterior region. Scale bar: A–D = 20 µm.

FIGURE 6. Loveninema unicornis gen. n in Swedish Plectida (Nematoda). Part 3. The genus Loveninema gen. n.

FIGURE 6. Loveninema unicornis gen. n., sp. n., holotype female (A–C) and paratype male (D). A: Pharyngeal region, median section; B: Anterior end, surface view; C: Female tail; D: Male posterior region. Scale bar: A–D = 20 µm.

FIGURE 5 in Two new species of the genus Daptonema Cobb, 1920 (Nematoda: Xyalidae) found in the monospecific Halophila ovalis patches within an intertidal mixed-species seagrass bed on the coast of the Andaman Sea, Thailand

FIGURE 5. Daptonema setihyalocella sp. n. Male (Holotype ZIHU 4081): A) Epidermal cells showing transparent appearance of the ventral chord in the anterior region. B) Epidermal cells showing transparent appearance of the dorsal chord in the anterior region. C) Amphid and epidermal cells showing transparent appearance of the lateral chord in the head region. D) Spicule and gubernaculum. Female (Allotype ZIHU 4085): E) Eggs and sperm cells in the uterus. F) Flat vulval gland. D, computer-integrated composite of original photomicrographs. A–E, left side view; F, right side view. Bar scales: A, B, 20 µm; C, D, F, 10 µm; E, 50 µm. Abbreviations: asterisk (*)—epidermal cell showing transparent appearance, amp—amphid, da —dorsal apophysis of gubernaculum, e—egg, gub —gubernaculum, lp—lateral piece of gubernaculum, ph—pharynx, s —sperm cell, spic —spicule, u —uterus, v —vulva, vgl —flat vulval gland.

FIGURE 2 in Two new species of the genus Daptonema Cobb, 1920 (Nematoda: Xyalidae) found in the monospecific Halophila ovalis patches within an intertidal mixed-species seagrass bed on the coast of the Andaman Sea, Thailand

FIGURE 2. Daptonema hyalocella sp. n. Male (Holotype ZIHU 3811; left side view): A) Entire body. B) Anterior region. C) Head region. D) Posterior region. E) Spicules and gubernaculum. Female (Allotype ZIHU 3817; left side view): F) Entire body. G) Vulval region. H) Posterior region. Bar scales: A, F, 100 µm; B, D, G, H: 20 µm; C, E, 10µm.

FIGURE 1 in Two new species of the genus Daptonema Cobb, 1920 (Nematoda: Xyalidae) found in the monospecific Halophila ovalis patches within an intertidal mixed-species seagrass bed on the coast of the Andaman Sea, Thailand

FIGURE 1. Location of the study site in the seagrass bed near Ban Pa Khlok, Phuket Province, Thailand. Asterisk, study site (8º 01' 20'' N, 98º 24' 40'' E).

FIGURE 3 in Two new species of the genus Daptonema Cobb, 1920 (Nematoda: Xyalidae) found in the monospecific Halophila ovalis patches within an intertidal mixed-species seagrass bed on the coast of the Andaman Sea, Thailand

FIGURE 3. Daptonema hyalocella sp. n. Male (A–C, Holotype ZIHU 3811; D, additional specimen): A) Epidermal cells showing transparent appearance of the dorsal and ventral chords in the head region. B) Amphid and epidermal cells showing transparent appearance of the lateral chord in the anterior region. C) Distal portion of the spicule and lateral piece of the gubernaculum. D) Epidermal cells showing transparent appearance of the dorsal, lateral and ventral chords in the pharyngeal region; transverse section, top is dorsal side. Female (Allotype ZIHU 3817): E) Epidermal cells showing transparent appearance of the dorsal and ventral chords in the anterior region. F) Uterus and postvulval sac in the vulval region. A–C, E, F, left side view; D, en face view. B, C, computer-integrated composite of original photomicrographs. Bar scales: A–D, 10 µm; E, F, 20 µm. Abbreviations: asterisk (*)—epidermal cell showing transparent appearance, amp—amphid, lp—lateral piece of gubernaculum, ph —pharynx, pvs —postvulval sac, spic—spicule, u —uterus, v—vulva.

FIGURE 4 in Two new species of the genus Daptonema Cobb, 1920 (Nematoda: Xyalidae) found in the monospecific Halophila ovalis patches within an intertidal mixed-species seagrass bed on the coast of the Andaman Sea, Thailand

FIGURE 4. Daptonema setihyalocella sp. n. Male (Holotype ZIHU 4081, left side view): A) Entire body. B) Anterior region. C) Head region. D) Posterior region. E) Spicule and gubernaculum. Female (Allotype ZIHU 4085; left side view): F) Entire body. G) Vulval region. H) Posterior region. Bar scales: A, F, 100 µm; B, D, H, 40 µm; C, E, 20 µm; G, 50 µm.

FIGURE 4. Halaphanolaimus sergeevae n in A new species of Halaphanolaimus (Nematoda: Leptolaimidae) from the southern Black Sea (Turkey) with a modified key for species identification

FIGURE 4. Halaphanolaimus sergeevae n. sp. Precloacal supplements along the mid-body of the holotype male. Scale bar=20 µm.

FIGURE 3.Halaphanolaimus sergeevae n in A new species of Halaphanolaimus (Nematoda: Leptolaimidae) from the southern Black Sea (Turkey) with a modified key for species identification

FIGURE 3.Halaphanolaimus sergeevae n. sp. Details of the holotype male. A. Anterior end showing the cuticularized stoma. B. Tail and cloacal region. Scale bars=20 µm.

FIGURE 2. Halaphanolaimus sergeevae n in A new species of Halaphanolaimus (Nematoda: Leptolaimidae) from the southern Black Sea (Turkey) with a modified key for species identification

FIGURE 2. Halaphanolaimus sergeevae n. sp. A. Amphid of paratype male 2, B. Stoma of paratype male 2, C. Total body of paratype male 2, D. Copulatory apparatus and tubular precloacal supplements of paratype male 2. Scale bars: A & B=20 µm; C=100 µm; D=50 µm.

FIGURE 1 in A new species of Halaphanolaimus (Nematoda: Leptolaimidae) from the southern Black Sea (Turkey) with a modified key for species identification

FIGURE 1. Halaphanolaimus sergeevae sp. nov. A. Total body of holotype male, B. Stoma of holotype male, C. Cuticular annules of holotype male, D. Tubular precloacal supplements of holotype male, E. Copulatory apparatus of holotype male, F. Tubular precloacal supplement at the level of pharyngeal bulbus of holotype male, G. Tail of holotype male, H. Pharynx of paratype female 2, I. Total body of paratype female 2. Scale bars: A & I=100 µm; B, C, D, E, F & G=20 µm; H=50 µm.

FIGURE 1 in Swedish Plectida (Nematoda). Part 1. Domorganus suecicus sp. n. from Skagerrak

FIGURE 1. Domorganus suecicus sp. n., holotype female (A–E, H–I) and paratype male (F–G). A: Anterior end, median section; B: Anterior end, surface view; C: Pharyngeal region; D: Renette cell and coelomocytes; E: Female tail, F: Male tail, G: Male cloacal region; H: Entire female; I: Anterior part of the female reproductive system. Scale bar: A–B, G = 10 µm; C–F, I = 20 µm, H = 50 µm.

FIGURE 9 in Description of two new and five known species of the genus Axonchium Cobb, 1920 (Nematoda: Dorylamida) from India with diagnostic compendia and keys to species of the genera Axonchium and Syncheilaxonchium Coomans & Nair, 1975

FIGURE 9. Axonchium parasaccatum Rahman, Jairajpuri & Ahmad, 1985. A: Entire female. B: Entire male. C: Anterior region. D: Anterior end showing amphid. E–F: Junction between two parts of pharynx. G–H: Pharyngo-intestinal junction. I: Female genital system. J: Vulval region. K: Female posterior end. L: Male posterior region. M: Spicule. N: Lateral guiding piece.

FIGURE 12. Axonchium meghalayense n in Description of two new and five known species of the genus Axonchium Cobb, 1920 (Nematoda: Dorylamida) from India with diagnostic compendia and keys to species of the genera Axonchium and Syncheilaxonchium Coomans & Nair, 1975

FIGURE 12. Axonchium meghalayense n. sp. A: Anterior region. B: Anterior end showing amphid. C: Junction between two parts of pharynx. D: Pharyngo-instestinal junction. E: Vulval region. F: Anterior uterine sac showing proximal constriction. G: Female posterior end. H: Ventromedian supplements. I–J: Male posterior end. (Scale bars A, B = 10 µm; C–J = 20 µm).

FIGURE 13. Axonchium noreasum n in Description of two new and five known species of the genus Axonchium Cobb, 1920 (Nematoda: Dorylamida) from India with diagnostic compendia and keys to species of the genera Axonchium and Syncheilaxonchium Coomans & Nair, 1975

FIGURE 13. Axonchium noreasum n. sp. A: Entire female. B: Entire male. C: Anterior region. D: Anterior end showing amphid. E–F: Junction between two parts of pharynx. G–H: Pharyngo-intestinal junction. I: Female genital system. J–K: Vulval region showing anterior uterine sac. L: Female posterior end. M: Male posterior region. N–O: Spicule.

FIGURE 6 in Description of two new and five known species of the genus Axonchium Cobb, 1920 (Nematoda: Dorylamida) from India with diagnostic compendia and keys to species of the genera Axonchium and Syncheilaxonchium Coomans & Nair, 1975

FIGURE 6. Axonchium neoeletum Rahman, Jairajpuri & Ahmad 1985. A–B: Anterior region. C: Anterior end showing amphid. D: Junction between two parts of pharynx. E: Vulval region. F: Female posterior end. G: Ventromedian supplements. H–I: Male posterior end. (Scale bars: A–C = 10 µm; D–I = 20 µm).

FIGURE 2. Axonchium amplicolle Cobb, 1920. A in Description of two new and five known species of the genus Axonchium Cobb, 1920 (Nematoda: Dorylamida) from India with diagnostic compendia and keys to species of the genera Axonchium and Syncheilaxonchium Coomans & Nair, 1975

FIGURE 2. Axonchium amplicolle Cobb, 1920. A: Anterior region. B: Anterior end showing amphid. C: Junction between two parts of pharynx. D: Pharyngo-instestinal junction. E–G: Vulval region. H–I. Female posterior end. (Scale bars: A, B = 10 µm; C–I = 20 µm).

FIGURE 1. Axonchium amplicolle Cobb, 1920. A in Description of two new and five known species of the genus Axonchium Cobb, 1920 (Nematoda: Dorylamida) from India with diagnostic compendia and keys to species of the genera Axonchium and Syncheilaxonchium Coomans & Nair, 1975

FIGURE 1. Axonchium amplicolle Cobb, 1920. A: Entire female. B: Anterior region. C: Anterior end showing amphid. D–E: Junction between two parts of pharynx. F–G: Pharyngo-intestinal junction. H: Female genital system. I–J: Vulval region showing anterior uterine sac. K–L: Female posterior end.

FIGURE 4. Axonchium elegans Jairajpuri, 1964. A–B in Description of two new and five known species of the genus Axonchium Cobb, 1920 (Nematoda: Dorylamida) from India with diagnostic compendia and keys to species of the genera Axonchium and Syncheilaxonchium Coomans & Nair, 1975

FIGURE 4. Axonchium elegans Jairajpuri, 1964. A–B: Anterior region. C: Anterior end showing amphid; D: junction between two parts of pharynx; E: Pharyngo-instestinal junction; F: Vulval region; G: Female posterior end; H–I: Male posterior end. (Scale bars: A–C = 10 µm; D–I = 20 µm).

FIGURE 8 in Description of two new and five known species of the genus Axonchium Cobb, 1920 (Nematoda: Dorylamida) from India with diagnostic compendia and keys to species of the genera Axonchium and Syncheilaxonchium Coomans & Nair, 1975

FIGURE 8. Axonchium phukani Rahman, Jairajpuri & Ahmad, 1985. A: Anterior region. B: Anterior end showing amphid. C: Junction between two parts of pharynx. D: Pharyngo-instestinal junction. E: Vulval region. F: Female posterior end. G: Ventromedian supplements. H–I: Male posterior end. (Scale bars: A, B = 10 µm; C–I = 20 µm).