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    FIGURE 5. Callorhynchocotyle marplatensis. A. Whole mount. B in Towards addressing the current state of confusion within the Hexabothriidae Price, 1942 (1908): Callorhynchocotyle Suriano & Incorvaia, 1982 (Monogenea: Hexabothriidae) re-visited, with the preliminary evaluation of novel parameters for measuring haptoral armature of hexabothriids

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    FIGURE 5. Callorhynchocotyle marplatensis. A. Whole mount. B. Enlarged anterior section of whole mount. C. Enlarged mid-section of whole mount. Abbreviations: ao, anterior section of ovary; ap, appendix; ci, cirrus; dv, distal portion of vagina; eg, egg; ep, excretory pore; i, intestinal caecum; ivt, indentation of ventral tegument surrounding ovate distal cirrus; ji, junction of caeca posterior to testes; oot, ootype; os, oral sucker; p, pharynx; po, posterior section of ovary; sr, seminal receptacle; t, testes; vas, vas deferens; vd, vitteline duct; vp, vaginal pore; 1–3, sucker-sclerite complexes 1–3. Scale bars = 1000µm.Published as part of Vaughan, David & Christison, Kevin, 2012, Towards addressing the current state of confusion within the Hexabothriidae Price, 1942 (1908): Callorhynchocotyle Suriano & Incorvaia, 1982 (Monogenea: Hexabothriidae) re-visited, with the preliminary evaluation of novel parameters for measuring haptoral armature of hexabothriids, pp. 1-34 in Zootaxa 3229 on page 16, DOI: 10.5281/zenodo.28032

    A new species of Myxinidocotyle (Monogenea: Acanthocotylidae: Myxinidocotylinae) from captive sixgill hagfish, Eptatretus hexatrema (Chordata: Myxinidae), with amendment of the subfamily diagnosis

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    Vaughan, David B., Christison, Kevin W. (2010): A new species of Myxinidocotyle (Monogenea: Acanthocotylidae: Myxinidocotylinae) from captive sixgill hagfish, Eptatretus hexatrema (Chordata: Myxinidae), with amendment of the subfamily diagnosis. Zootaxa 2650: 47-56, DOI: 10.5281/zenodo.19880

    FIGURE 2. Myxinidocotyle eptatreti n in A new species of Myxinidocotyle (Monogenea: Acanthocotylidae: Myxinidocotylinae) from captive sixgill hagfish, Eptatretus hexatrema (Chordata: Myxinidae), with amendment of the subfamily diagnosis

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    FIGURE 2. Myxinidocotyle eptatreti n. sp. A. Marginal hook. B. Pharynx. C. Male accessory gland reservoirs with ducts. Abbreviations: dar, distal male accessory gland reservoir; du, ducts leading to male accessory gland reservoirs; eg, egg; mct, male copulatory tube; par, proximal male accessory gland reservoir (other abbreviations as for Figure 1). Scale bars: A. 15 μm, B. 100 μm, C. 200 μm.Published as part of Vaughan, David B. & Christison, Kevin W., 2010, A new species of Myxinidocotyle (Monogenea: Acanthocotylidae: Myxinidocotylinae) from captive sixgill hagfish, Eptatretus hexatrema (Chordata: Myxinidae), with amendment of the subfamily diagnosis, pp. 47-56 in Zootaxa 2650 on page 51, DOI: 10.5281/zenodo.19880

    FIGURE 5 in Species of Hexabothriidae (Monogenea) may have extensive distribution ranges reflecting multiple host species: evidence from three new South African records

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    FIGURE 5. Heteronchocotyle gymnurae accessory sclerite. Scale bar = 50 μm.Published as part of Vaughan, David B., Christison, Kevin W., Hansen, Haakon & Bullard, Stephen A., 2023, Species of Hexabothriidae (Monogenea) may have extensive distribution ranges reflecting multiple host species: evidence from three new South African records, pp. 151-180 in Zootaxa 5254 (2) on page 163, DOI: 10.11646/zootaxa.5254.2.1, http://zenodo.org/record/772725

    FIGURE 10 in Species of Hexabothriidae (Monogenea) may have extensive distribution ranges reflecting multiple host species: evidence from three new South African records

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    FIGURE 10. Hypanocotyle bullardi female reproductive system. Abbreviations as for Figures 3 and 7. Scale bar = 1000 μm.Published as part of Vaughan, David B., Christison, Kevin W., Hansen, Haakon & Bullard, Stephen A., 2023, Species of Hexabothriidae (Monogenea) may have extensive distribution ranges reflecting multiple host species: evidence from three new South African records, pp. 151-180 in Zootaxa 5254 (2) on page 172, DOI: 10.11646/zootaxa.5254.2.1, http://zenodo.org/record/772725

    FIGURE 6 in Species of Hexabothriidae (Monogenea) may have extensive distribution ranges reflecting multiple host species: evidence from three new South African records

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    FIGURE 6. Heteronchocotyle gymnurae male reproductive system. Abbreviations: cgp, common genital pore; dvd, distal glandular region of vas deferens. Other abbreviations as for Figure 4. Scale bar = 400 μm.Published as part of Vaughan, David B., Christison, Kevin W., Hansen, Haakon & Bullard, Stephen A., 2023, Species of Hexabothriidae (Monogenea) may have extensive distribution ranges reflecting multiple host species: evidence from three new South African records, pp. 151-180 in Zootaxa 5254 (2) on page 164, DOI: 10.11646/zootaxa.5254.2.1, http://zenodo.org/record/772725

    FIGURE 1. Hexabothriid sucker sclerite morphological measurements. A in Towards addressing the current state of confusion within the Hexabothriidae Price, 1942 (1908): Callorhynchocotyle Suriano & Incorvaia, 1982 (Monogenea: Hexabothriidae) re-visited, with the preliminary evaluation of novel parameters for measuring haptoral armature of hexabothriids

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    FIGURE 1. Hexabothriid sucker sclerite morphological measurements. A. rectangular grid (quad), circumference length (cir), total length; line a–b, total diameter; line c–d. B. Shaft width; line e–f; inner diameter; line f–g. C. Shaft length; line h–i. D. Aperture angle (x) from vertex (f) by rays f–j, f–k. E. Hook-side curve length; line l–m; shaft-side curve length; line n–o. F. Aperture; line j–k. Other abbreviations: gui, guide line.Published as part of Vaughan, David & Christison, Kevin, 2012, Towards addressing the current state of confusion within the Hexabothriidae Price, 1942 (1908): Callorhynchocotyle Suriano & Incorvaia, 1982 (Monogenea: Hexabothriidae) re-visited, with the preliminary evaluation of novel parameters for measuring haptoral armature of hexabothriids, pp. 1-34 in Zootaxa 3229 on page 4, DOI: 10.5281/zenodo.28032

    FIGURE 9 in Species of Hexabothriidae (Monogenea) may have extensive distribution ranges reflecting multiple host species: evidence from three new South African records

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    FIGURE 9. Hypanocotyle bullardi male reproductive system. Abbreviations: cgp, common genital pore; dvd, distal vas deferens; lcc, large conspicuous cells of the proximal vas deferens wall; ms, muscular proximal section of male copulatory organ; nms, non-muscular proximal section of male copulatory organ; pvd, proximal vas deferens; ve, vas efferens; other abbreviations as for Figure 3. Scale bar = 1000 μm.Published as part of Vaughan, David B., Christison, Kevin W., Hansen, Haakon & Bullard, Stephen A., 2023, Species of Hexabothriidae (Monogenea) may have extensive distribution ranges reflecting multiple host species: evidence from three new South African records, pp. 151-180 in Zootaxa 5254 (2) on page 171, DOI: 10.11646/zootaxa.5254.2.1, http://zenodo.org/record/772725

    FIGURE 4. Male copulatory organ. A. Dendromonocotyle citrosa n in Overview of South African Dendromonocotyle (Monogenea: Monocotylidae), with descriptions of 2 new species from stingrays (Dasyatidae) kept in public aquaria

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    FIGURE 4. Male copulatory organ. A. Dendromonocotyle citrosa n. sp. ex Two Oceans Aquarium, distal portion of male copulatory organ. B. Dendromonocotyle citrosa ex uShaka Sea World Aquarium: sf – spiral filament. C. Dendromonocotyle ukuthena n. sp. male copulatory organ (mco): eb – ejaculatory bulb, mdist – missing distal portion of male copulatory organ, ms – muscular sheath. D. Distal portion of male copulatory organ of D. ukuthena n. sp. showing criss-crossed sperm duct (sd). E. Missing distal portion of male copulatory organ of D. ukuthena n. sp. with area of possible point of breakage (bp). F. Distal portion of male copulatory organ of D. colorni showing the accessory flange (af) and spiral filament (sf). G. Possible area of D. ukuthena n. sp distal portion of male copulatory organ re-growth (r): bp – breakage point, sd – criss-crossed sperm duct. Scale bar =. Scale bars: A, B, D, F = 100μm; C, E, G = 50μm.Published as part of Vaughan, David, Chisholm, Leslie & Christison, Kevin, 2008, Overview of South African Dendromonocotyle (Monogenea: Monocotylidae), with descriptions of 2 new species from stingrays (Dasyatidae) kept in public aquaria, pp. 26-44 in Zootaxa 1826 on page 31, DOI: 10.5281/zenodo.18310

    FIGURE 2 in Species of Hexabothriidae (Monogenea) may have extensive distribution ranges reflecting multiple host species: evidence from three new South African records

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    FIGURE 2. Erpocotyle catenulata male reproductive system. Abbreviations: dr, distal region of male copulatory organ (= cr, cirrus); mco, male copulatory organ; pc, prostatic gland cells; vd, vas deferens. Scale bar = 100 μm.Published as part of Vaughan, David B., Christison, Kevin W., Hansen, Haakon & Bullard, Stephen A., 2023, Species of Hexabothriidae (Monogenea) may have extensive distribution ranges reflecting multiple host species: evidence from three new South African records, pp. 151-180 in Zootaxa 5254 (2) on page 156, DOI: 10.11646/zootaxa.5254.2.1, http://zenodo.org/record/772725
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