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FIGURES 7–8 in A new species of Supramontana Carbayo & Leal-Zanchet (Platyhelminthes, Continenticola, Geoplanidae) from the Interior Atlantic Forest

FIGURES 7–8. Supramontana argentina sp. nov. Sagittal reconstructions of the copulatory apparatus: holotype (7); paratype MLP 6698 (8). (cod) common glandular ovovitelline duct, (ej) ejaculatory duct, (fa) female atrium, (g) gonopore, (ma) male atrium, (od) ovovitelline duct, (pg) prostatic glands, (ph) pharynx, (pp) penis papilla, (pv) prostatic vesicle, (sd) sperm duct, (sg) shell glands, (v) vagina.

FIGURES 3–5 in A new species of Supramontana Carbayo & Leal-Zanchet (Platyhelminthes, Continenticola, Geoplanidae) from the Interior Atlantic Forest

FIGURES 3–5. Supramontana argentina sp. nov. (3) Schematic drawing of a transverse section of the cephalic region (holotype); (4) schematic drawing of a transverse section of the pre-pharyngeal region (paratype MLP 6476); (5) half of a transversal section of the pre-pharyngeal region (paratype MLP 6476). (cn) cutaneous nerve net, (cs) creeping sole, (dep) dorsal epidermis, (dl) dorsal cutaneous longitudinal musculature, (dp) dorsal parenchymatic musculature, (dvp) dorso-ventral parenchymatic musculature, (e) eye, (gs) glandular secretion, (i) intestine, (n) nervous plate, (od) ovovitelline duct, (r) retractor muscle, (sbp) sub-intestinal parenchymatic musculature, (sd) sperm duct, (se) sensory pit, (snp) sub-neural parenchymatic musculature, (spp) supra-intestinal parenchymatic musculature, (t) testes, (vit) vitellaria, (vl) ventral cutaneous longitudinal musculature.

FIGURE 2 in A new species of Supramontana Carbayo & Leal-Zanchet (Platyhelminthes, Continenticola, Geoplanidae) from the Interior Atlantic Forest

FIGURE 2. Supramontana argentina sp. nov. Schematic drawing of the colour pattern and eyes at the anterior third of body, in dorsal view (paratype MLP 6475). (e) eyes, (la) lateral bands, (m) median band, (pm) para-median stripes.

FIGURES 9–13 in A new species of Supramontana Carbayo & Leal-Zanchet (Platyhelminthes, Continenticola, Geoplanidae) from the Interior Atlantic Forest

FIGURES 9–13. Supramontana argentina sp. nov. (holotype). Sagittal sections: (9) copulatory apparatus; (10) penis papilla; (11) ovary; (12–13) details of the female reproductive system. (cod) common glandular ovovitelline duct, (ej) ejaculatory duct, (fa) female atrium, (g) gonopore, (i) intestine, (ma) male atrium, (od) ovovitelline duct, (ov) ovary, (pg) prostatic glands, (pp) penis papilla, (pv) prostatic vesicle, (sg) shell glands, (v) vagina, (vit) vitellaria, (vl) ventral cutaneous longitudinal musculature.

FIGURE 6 in A new species of Supramontana Carbayo & Leal-Zanchet (Platyhelminthes, Continenticola, Geoplanidae) from the Interior Atlantic Forest

FIGURE 6. Supramontana argentina sp. nov. (holotype). Sagittal section of the pharynx. (di) dorsal insertion, (i) intestine, (mo) mouth, (ph) pharynx, (php) pharyngeal pouch, (pl) pharyngeal lumen, (t) testes, (vi) ventral insertion, (vit) vitellaria. The arrowhead indicates the outer pharyngeal musculature and the arrow indicates the inner pharyngeal musculature.

FIGURE 3 in Three new species of freshwater Macrostomum (Platyhelminthes, Macrostomida) from southern China

FIGURE 3. Macrostomum heyuanensis et al., n. sp.: (A) horizontal whole body section; (B–D) longitudinal whole body section.

FIGURE 4 in Three new species of freshwater Macrostomum (Platyhelminthes, Macrostomida) from southern China

FIGURE 4. Macrostomum heyuanensis Wang & Sun, n. sp., ventral view: (A) body in whole; (B) profile of the tail; (C) copulatory apparatus; (D) penis stylet; (E) sperm.

FIGURE 11 in Three new species of freshwater Macrostomum (Platyhelminthes, Macrostomida) from southern China

FIGURE 11. Macrostomum bicaudatum Wang, Sun & Zhang, n. sp., ventral view: (A) whole body; (B) copulatory apparatus; (C) stylet; (D) distal end of stylet.

FIGURE 2 in Three new species of freshwater Macrostomum (Platyhelminthes, Macrostomida) from southern China

FIGURE 2. Macrostomum heyuanensis Wang & Sun, n. sp.: (A–F) photographed in life; (G and H) penis stylet; (I) sperm.

FIGURE 7. Macrostomum dongyuanensis Wang & Sun n in Three new species of freshwater Macrostomum (Platyhelminthes, Macrostomida) from southern China

FIGURE 7. Macrostomum dongyuanensis Wang & Sun n. sp..: (A-F) whole body photographed in life; (G) copulatory apparatus; (H and I) penis stylet; (J) sperm.

FIGURE 6 in Three new species of freshwater Macrostomum (Platyhelminthes, Macrostomida) from southern China

FIGURE 6. The phylogenetic tree of 18S rDNA gene generated with Neighbor-Joining method. (bootstrap=1000, Kimura 2- parameter type)

FIGURE 5 in Three new species of freshwater Macrostomum (Platyhelminthes, Macrostomida) from southern China

FIGURE 5. The phylogenetic tree of 18s rDNA generated with Maximum Likelihood method. (bootstrap=1000, Tamura-nei type)

FIGURE 10 in Three new species of freshwater Macrostomum (Platyhelminthes, Macrostomida) from southern China

FIGURE 10. Macrostomum bicaudatum Wang, Sun & Zhang, n. sp., dorsal view: (A) whole body photographed in life; (B) penis stylet; (C) permanent slide stained by the H.E. method.

FIGURE 9. Macrostomum dongyuanensis Wang & Sun n in Three new species of freshwater Macrostomum (Platyhelminthes, Macrostomida) from southern China

FIGURE 9. Macrostomum dongyuanensis Wang & Sun n. sp.: (A) whole body; (B) profile of the tail; (C) copulatory apparatus; (D) penis stylet; (E) sperm.

FIGURE 8. Macrostomum dongyuanensis Wang & Sun n in Three new species of freshwater Macrostomum (Platyhelminthes, Macrostomida) from southern China

FIGURE 8. Macrostomum dongyuanensis Wang & Sun n. sp.: (A–D) horizontal whole body section; (E and F) longitudinal whole body section.

FIGURE 5 in New Acotylea (Polycladida, Platyhelminthes) from the east coast of the North Atlantic Ocean with special mention of the Iberian littoral

FIGURE 5. Stylochus neapolitanus (Delle Chiaje, 1841–1844) Lang, 1884. A–C, living specimens; D, sagittal reconstruction of a whole specimen; E, sagittal reconstruction of the reproductive system (anterior to the right). Abbreviations: b, brain; cg, cement glands: de; ductus ejaculatorius; fp, female pore; i, intestine; ma, male atrium; mp, male pore: op, oral pore; ov, ovaries; pg, prostatic glands; ph, pharynx; pv, prostatic vesicle; spv, spermiducal vesicle; sv, seminal vesicle: t, tentacles; te, tentacular eyes; u, uterus; ve, vagina externa; vi, vagina interna.

FIGURE 6 in New Acotylea (Polycladida, Platyhelminthes) from the east coast of the North Atlantic Ocean with special mention of the Iberian littoral

FIGURE 6. Discocelis tigrina (Blanchard, 1847) Lang 1884. A–D, living specimens; E, sagittal reconstruction of a whole specimen; F, sagittal reconstruction of the reproductive system (anterior to the right). Abbreviations: ca, common atrium; cgo, common genital opening; i, intestine; Lv, Lang's vesicle; m, muscle layers; ml, male lobes; ofgs, opening of the female genital system; op, oral pore; ph, pharynx; po, prostatoid organs; spv, spermiducal vesicle; te, tentacular eyes.

FIGURE 4. Cryptocelis compacta Lang, 1884. A, B, E, F in New Acotylea (Polycladida, Platyhelminthes) from the east coast of the North Atlantic Ocean with special mention of the Iberian littoral

FIGURE 4. Cryptocelis compacta Lang, 1884. A, B, E, F living specimens; C, sagittal reconstruction of a whole specimen; D, sagittal reconstruction of the reproductive system (anterior to the right). Abbreviations; cg, cement glands; dpv, distal part of the prostatic vesicle; fa, female atrium; fp, female pore; fvs, false seminal vesicle; i, intestine; mc, male copulatory organ; mp, male pore: op, oral pore; ov, ovaries; ph, pharynx; pp, penis papilla; ppv, proximal part of the prostatic vesicle; shg, shell glands; spv, spermiducal vesicle; vd, vas deferens; ve, vagina externa; vi, vagina interna.

FIGURE 2. Hoploplana elisabelloi n in New Acotylea (Polycladida, Platyhelminthes) from the east coast of the North Atlantic Ocean with special mention of the Iberian littoral

FIGURE 2. Hoploplana elisabelloi n. sp. A–C, living specimens; D, histological section of a tentacle and tentacular eyes; E, histological section of the brain; F, histological section of the reproductive system (anterior to the left); G, sagittal reconstruction of a whole specimen; H, histological section of the cirrus; I, histological section of the stylet; J, sagittal reconstruction of the reproductive system. Abbreviations: b, brain; ce, cerebral eyes; cg, cement glands; ed, ejaculatory duct; esv, external seminal vesicle; fa, female atrium; fp, female pore; i, intestine; ma, male atrium; mp, male pore; op, oral pore; ov, ovaries; ovd, oviducts; ph, pharynx; pv, prostatic vesicle; sc, shell camera; spdb, spermiducal bulbs; st, stylet; t, tentacles; te, tentacular eyes; ve, vagina externa; vi, vagina interna.

FIGURE 1. Studied Acotylea species distribution. A in New Acotylea (Polycladida, Platyhelminthes) from the east coast of the North Atlantic Ocean with special mention of the Iberian littoral

FIGURE 1. Studied Acotylea species distribution. A, Acotylea distribution in Europe; B, Acotylea distribution in the Iberian Peninsula; C, Acotylea distribution in Galicia, Spain; D, Cryptocelis compacta (green dots); E, Hoploplana elisabelloi n. sp. (orange dots); F, Discocelis tigrina (purple dots); G, Armatoplana celta n. sp. (grey dots); H, Stylochus neapolitanus (blue dots).