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FIG. 1 in Nouveaux Amphibdellatidae (Platyhelminthes, Monogenea, Monopisthocotylea) parasites des Torpedinidae (Pisces, Elasmobranchii) de Méditerranée

FIG. 1. — Mensurations utilisées dans l'étude des Amphibdelloides Price, 1937: A, crochets; B, barre ventrale; C, appareil copulateur mâle; D, vagin (flèches: sens de la mesure). Abréviations: a, longueur totale; b, distance du manche à la lame; c, distance du manche à la garde; d, distance de la garde à la pointe; e, longueur de la pointe; GA, glande accessoire; GP, gaine du pénis; P, pénis; S, pièce accessoire S; T, pièce accessoire T; vg, longueur du vagin; w, largeur de la barre ventrale; x, longueur de la barre ventrale.

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FIG. 3. — Amphibdelloides kechemirae n in Nouveaux Amphibdellatidae (Platyhelminthes, Monogenea, Monopisthocotylea) parasites des Torpedinidae (Pisces, Elasmobranchii) de Méditerranée

FIG. 3. — Amphibdelloides kechemirae n. sp.: A, A', crochets dorsaux; B, B', crochets ventraux; C, barre transversale ventrale; D, pénis; E, pièce accessoire T; F, pièce accessoire S; G, gaine musculaire du pénis; H, glande accessoire de l'appareil copulateur mâle; I, vagin. Échelles: 50 µm.

FIG. 6 in Neotropical Monogenoidea. 47. Phylogeny and coevolution of species of Rhinoxenus (Platyhelminthes, Monogenoidea, Dactylogyridae) and their Characiformes hosts (Teleostei, Ostariophysi) with description of four new species

FIG. 6. — Cladogram showing phylogenetic relationship of Characiformes based on morphologic data, after Buckup (1991). The cladogram represents only the families analyzed in the present work. *, Characoidea (sensu Buckup 1998); **, clade sensu Malabarba 1998.

FIG. 3 in Neotropical Monogenoidea. 47. Phylogeny and coevolution of species of Rhinoxenus (Platyhelminthes, Monogenoidea, Dactylogyridae) and their Characiformes hosts (Teleostei, Ostariophysi) with description of four new species

FIG. 3. — Sclerotized structures in Rhinoxenus; A-F, R. curimbatae n. sp.; A, male copulatory organ (MCO); B, vagina; C, ventral anchor; D, dorsal anchor; E, hook; F, ventral bar; G-M, R. guianensis n. sp.; G, male copulatory organ (MCO); H, vagina; I, hook from pair 2; J, hook from pairs 1, 3-7; K, ventral bar; L, ventral anchor; M, dorsal anchor. Scale bars: A, B, 20 μm; C, D, F, 30 μm; E, I, J, 15 μm; G, H, 10 μm; K-M, 50 μm.

FIG. 1 in Neotropical Monogenoidea. 47. Phylogeny and coevolution of species of Rhinoxenus (Platyhelminthes, Monogenoidea, Dactylogyridae) and their Characiformes hosts (Teleostei, Ostariophysi) with description of four new species

FIG. 1. — Sclerotized structures of selected Rhinoxenus species; A, R. piranhus Kritsky, Boeger & Thatcher, 1988, male copulatory organ (MCO); B, R. piranhus, vagina; C, R. nyttus Kritsky, Boeger & Thatcher, 1988, MCO; D, R. nyttus, detail of the base of the MCO (distal portion of MCO not shown); E, R. nyttus, ventral anchor; F, R. arietinus Kritsky, Boeger & Thatcher, 1988, MCO. Arrow indicates the circular tandem sclerotized brims. Scale bars: A-D, F, 20 μm; E, 50 μm.

FIG. 8 in Neotropical Monogenoidea. 47. Phylogeny and coevolution of species of Rhinoxenus (Platyhelminthes, Monogenoidea, Dactylogyridae) and their Characiformes hosts (Teleostei, Ostariophysi) with description of four new species

FIG. 8. — Summary of the proposed historical relationships of Rhinoxenus species and their hosts. The parasite cladogram (solid lines) is superimposed on that (broad grey lines) of their hosts taxa. Dotted lines indicate postulated extinction or sampling error of parasites; dashed-dotted lines indicate postulated dispersion of parasite clades; circles indicate cospeciation events; triangle indicates duplication event. *, clade sensu Malabarba 1998.

FIG. 4. — Rhinoxenus euryxenus n in Neotropical Monogenoidea. 47. Phylogeny and coevolution of species of Rhinoxenus (Platyhelminthes, Monogenoidea, Dactylogyridae) and their Characiformes hosts (Teleostei, Ostariophysi) with description of four new species

FIG. 4. — Rhinoxenus euryxenus n. sp.; A, holotype (ventral); B, vagina; C, male copulatory organ (MCO); D, hook from pairs 1, 3-7; E, hook from pair 2; F, ventral bar; G, ventral anchor; H, dorsal anchor. Scale bars: A, 100 μm; B-E, 10 μm; F-H, 50 μm.

FIG. 2. — Rhinoxenus anaclaudiae n in Neotropical Monogenoidea. 47. Phylogeny and coevolution of species of Rhinoxenus (Platyhelminthes, Monogenoidea, Dactylogyridae) and their Characiformes hosts (Teleostei, Ostariophysi) with description of four new species

FIG. 2. — Rhinoxenus anaclaudiae n. sp.; A, holotype (ventral); B, male copulatory organ (MCO); C, hook from pair 2; D, hook from pairs 1, 3-7; E, vagina; F, ventral bar; G, dorsal anchor; H, ventral anchor. Scale bars: A, 100 μm; B-E, 10 μm; F-H, 30 μm.

FIG. 7 in Neotropical Monogenoidea. 47. Phylogeny and coevolution of species of Rhinoxenus (Platyhelminthes, Monogenoidea, Dactylogyridae) and their Characiformes hosts (Teleostei, Ostariophysi) with description of four new species

FIG. 7. — Cladogram of hosts groups of Rhinoxenus species constructed from parasitological data and using Characiformes taxa analyzed in the present work. Dashed lines postulate dispersion. Each host group is labeled with its taxonomic epithet followed by the Rhinoxenus species parasitizing its members.

FIG. 13 in 41: New and previously described species of Dactylogyridae (Platyhelminthes) from the gills of marine and freshwater perciform fishes (Teleostei) with proposal of a new genus and a hypothesis on phylogeny

FIG. 13. — Strict consensus tree for sister-group relationships of 14 species of Euryhaliotrema n. gen. from eight equally parsimonious solutions obtained with PAUP*.

FIG. 10 in 41: New and previously described species of Dactylogyridae (Platyhelminthes) from the gills of marine and freshwater perciform fishes (Teleostei) with proposal of a new genus and a hypothesis on phylogeny

FIG. 10. — Sclerotized structures of Euryhaliotrema n. gen. species; A-G, Euryhaliotrema bychowskyi (Obodnikova, 1976) n. comb.; A, ventral anchor; B, vagina (ventral view); C, hook; D, copulatory complex (ventral view); E, dorsal anchor; F, ventral bar; G, dorsal bar; H-N, Euryhaliotrema paralonchuri (Lugue & Iannacone, 1989) n. comb; H, vagina (ventral view); I, hook; J, ventral bar; K, copulatory complex (ventral view); L, dorsal anchor; M, dorsal bar; N, ventral anchor. Scale bar: 25 µm.

FIG. 9. — Euryhaliotrema sagmatum n. gen., n in 41: New and previously described species of Dactylogyridae (Platyhelminthes) from the gills of marine and freshwater perciform fishes (Teleostei) with proposal of a new genus and a hypothesis on phylogeny

FIG. 9. — Euryhaliotrema sagmatum n. gen., n. sp.; A, whole mount (ventral view); B, vagina (ventral view); C, hook; D, copulatory complex (ventral view); E, ventral bar; F, dorsal bar; G, ventral anchor; H, dorsal anchor. Scale bars: A, 200 µm; B-H, 25 µm.

FIG. 6. — Euryhaliotrema succedaneus n. gen., n in 41: New and previously described species of Dactylogyridae (Platyhelminthes) from the gills of marine and freshwater perciform fishes (Teleostei) with proposal of a new genus and a hypothesis on phylogeny

FIG. 6. — Euryhaliotrema succedaneus n. gen., n. sp.; A, whole mount (composite, ventral view); B, vagina (ventral view); C, hook; D, ventral bar; E, dorsal bar; F, copulatory complex (ventral view); G, ventral anchor; H, dorsal anchor. Scale bars: A, 200 µm; B-H, 25 µm.

FIG. 3. — Euryhaliotrema potamocetes n. gen., n in 41: New and previously described species of Dactylogyridae (Platyhelminthes) from the gills of marine and freshwater perciform fishes (Teleostei) with proposal of a new genus and a hypothesis on phylogeny

FIG. 3. — Euryhaliotrema potamocetes n. gen., n. sp.; A, whole mount (composite, ventral view); B, vagina (ventral view); C, hook; D, copulatory complex (ventral view); E, ventral bar; F, dorsal bar; G, ventral anchor; H, dorsal anchor. Scale bars: A, 200 µm; B-H, 25 µm.

FIG. 2. — Euryhaliotrema lovejoyi n. gen., n in 41: New and previously described species of Dactylogyridae (Platyhelminthes) from the gills of marine and freshwater perciform fishes (Teleostei) with proposal of a new genus and a hypothesis on phylogeny

FIG. 2. — Euryhaliotrema lovejoyi n. gen., n. sp.; A, whole mount (composite, ventral view); B, vagina (ventral view); C, copulatory complex (ventral view); D, hook; E, ventral bar; F, dorsal bar; G, ventral anchor; H, dorsal anchor. Scale bars: A, 100 µm; B-H, 25 µm.

FIG. 1. — Euryhaliotrema chaoi n. gen., n in 41: New and previously described species of Dactylogyridae (Platyhelminthes) from the gills of marine and freshwater perciform fishes (Teleostei) with proposal of a new genus and a hypothesis on phylogeny

FIG. 1. — Euryhaliotrema chaoi n. gen., n. sp.; A, whole mount (composite, ventral view; germarium not totally inked in order to show the dorsal male reproductive organs); B, vagina (ventral view); C, ventral anchor; D, hook; E, copulatory complex (ventral view); F, G, dorsal anchors; H, ventral bar; I, dorsal bar. Scale bars: A, 200 µm; B-D, F-I, 25 µm; E, 50 µm.

FIG. 12 in 41: New and previously described species of Dactylogyridae (Platyhelminthes) from the gills of marine and freshwater perciform fishes (Teleostei) with proposal of a new genus and a hypothesis on phylogeny

FIG. 12. — Hypothesis for the evolutionary history of 14 species of Euryhaliotrema n. gen. based on 18 homologous series of morphological characters. Numbers above each branch refer to postulated evolutionary changes as indicated in the character analysis. Numbers below each branch refer to bootstrap support for 1000 replicates; only values ≥ 50% are presented. Tree length = 30; Consistency Index = 66.7%; Retention Index = 83.1%.

FIG. 8 in 41: New and previously described species of Dactylogyridae (Platyhelminthes) from the gills of marine and freshwater perciform fishes (Teleostei) with proposal of a new genus and a hypothesis on phylogeny

FIG. 8. — Euryhaliotrema carbunculus (Hargis, 1955) n. comb.; A, whole mount (dorsal view); B, copulatory complex (dorsal view); C, hook; D, vagina (dorsal view); E, ventral bar; F, dorsal bar; G, ventral anchor; H, dorsal anchor. Scale bars: A, 100 µm; B-H, 25 µm.

FIG. 7. — Euryhaliotrema atlantica n. gen., n in 41: New and previously described species of Dactylogyridae (Platyhelminthes) from the gills of marine and freshwater perciform fishes (Teleostei) with proposal of a new genus and a hypothesis on phylogeny

FIG. 7. — Euryhaliotrema atlantica n. gen., n. sp.; A, whole mount (composite, ventral view); B, vagina (ventral view); C, copulatory complex (ventral view); D, ventral bar; E, dorsal bar; F, ventral anchor; G, hook; H, dorsal anchor. Scale bars: A, 200 µm; B-H, 25 µm.

FIG. 11 in 41: New and previously described species of Dactylogyridae (Platyhelminthes) from the gills of marine and freshwater perciform fishes (Teleostei) with proposal of a new genus and a hypothesis on phylogeny

FIG. 11. — Sclerotized structures of Euryhaliotrema n. gen. species; A-G; Euryhaliotrema chrysotaeniae (Young, 1968) n. comb.; A, vagina (ventral view); B, ventral anchor; C, dorsal anchor; D, ventral bar; E, dorsal bar; F, hook; G, copulatory complex (ventral view); H-N; Euryhaliotrema lutiani (Yamaguti, 1953) n. comb.; H, ventral anchor; I, dorsal anchor; J, ventral bar; K, dorsal bar; L, vagina (ventral view); M, hook; N, copulatory complex (dorsal view); O-U; Euryhaliotrema johni (Tripathi, 1959) n. comb.; O, ventral anchor; P, dorsal anchor; Q, ventral bar; R, vagina (ventral view); S, hook; T, copulatory complex (ventral view); U, dorsal bar. Scale bar: 25 µm.