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Figure 3 in A molecular analysis of the phylogenetic position of the suborder Cavernicola within the Tricladida (Platyhelminthes), with the description of a new species of stygobiont flatworm from Benin

Figure 3. Novomitchellia bursaelongata Harrath, Sluys & Riutort, sp. nov. A, holotype. Microphotograph of sagittal section of the pharynx; musculature composed of subepithelial layer of circular fibres, followed by a layer of longitudinal fibres (arrowhead), and outer subepithelial layer of circular muscle (arrow). B, paratype V.Pl. 7225.3. Sagittal section showing the numerous, dorsal testes (arrowheads). C, holotype. Sagittal section showing ventral position of ovary and oviduct, above the ventral nerve cord. D, photomicrograph of the copulatory apparatus of the holotype in sagittal section; large arrow indicates direction of head. E, sagittal section of the copulatory apparatus of the holotype showing connection between common oviduct and bursal canal; large arrow indicates direction of head. Abbreviations: A, atrium; BC, bursal canal; CB, copulatory bursa; CM, circular muscle; COD, common oviduct; DS, dorsal side; ED, ejaculatory duct; G, gonopore; L, lumen; OD, oviduct; OV, oviduct; PP, penis papilla; SV, seminal vesicle; VD, vas deferens; VNC, ventral nerve cord; VS, ventral side. Scale bars = 200 µm.

Figure 1. Bayesian tree inferred from the 18S in A molecular analysis of the phylogenetic position of the suborder Cavernicola within the Tricladida (Platyhelminthes), with the description of a new species of stygobiont flatworm from Benin

Figure 1. Bayesian tree inferred from the 18S rDNA sequences showing the relationship of the new Novomitchellia species to other Tricladida species included in this analysis. Maximum likelihood (ML) yielded the same topology. Asterisks at nodes indicate posterior probabilities = 1/bootstrap values> 75% obtained respectively in the ML and Bayesian inference analyses. Scale bar: number of substitutions per nucleotide position.

Figure 4 in A molecular analysis of the phylogenetic position of the suborder Cavernicola within the Tricladida (Platyhelminthes), with the description of a new species of stygobiont flatworm from Benin

Figure 4. Novomitchellia bursaelongata Harrath, Sluys & Riutort, sp. nov. Sagittal reconstruction of the copulatory apparatus of the holotype. Abbreviations: A, atrium; BC, bursal canal; CB, copulatory bursa; COD, common oviduct; G, gonopore; GL, glands; M, mouth; OD, oviduct; PB, penis bulb; PH, pharynx; PP, penis papilla; VD, vas deferens. Scale bar = 150 µm.

Figure 2 in A molecular analysis of the phylogenetic position of the suborder Cavernicola within the Tricladida (Platyhelminthes), with the description of a new species of stygobiont flatworm from Benin

Figure 2. Novomitchellia bursaelongata Harrath, Sluys & Riutort, sp. nov. Holotype. A, photograph of preserved specimen in dorsal view; some protuberances are seen on the head (arrowheads); arrow indicates the tail (T). B, photograph of preserved specimen in ventral view; arrow indicates the pharynx (PH). Scale bars not available.

FIGURE 2 in A new species of Dugesia (Platyhelminthes, Tricladida, Dugesiidae) from the Afromontane forest in South Africa, with an overview of freshwater planarians from the African continent

FIGURE 2. Dugesia afromontana. Habitus of living specimens, (A) fissiparous individual, (B) ex-fissiparous individual.

FIGURE 1 in A new species of Dugesia (Platyhelminthes, Tricladida, Dugesiidae) from the Afromontane forest in South Africa, with an overview of freshwater planarians from the African continent

FIGURE 1. Geographic distribution of all species of the genus Dugesia recorded from the African continent.

FIGURE 3. Dugesia afromontana. Holotype ZMA V in A new species of Dugesia (Platyhelminthes, Tricladida, Dugesiidae) from the Afromontane forest in South Africa, with an overview of freshwater planarians from the African continent

FIGURE 3. Dugesia afromontana. Holotype ZMA V.Pl. 7108.1, sagittal reconstructions of the copulatory apparatus (anterior to the left), (A) male copulatory apparatus, (B) female copulatory apparatus.

FIGURE 8 in A new species of Geoplana (Platyhelminthes: Tricladida: Geoplanidae) from the Western Amazon Basin with comments on the land planarian fauna from Peru

FIGURE 8. Records of land planarians from Peru. The black dots indicate areas with records and the relative size (and numbers inside them) indicates the number of localities cited for a given region. The species are listed for each region. The star indicates the type locality of G. excelentissima.

FIGURE 7 in A new species of Geoplana (Platyhelminthes: Tricladida: Geoplanidae) from the Western Amazon Basin with comments on the land planarian fauna from Peru

FIGURE 7. Geoplana excelentissima sp. nov. A, Female reproductive system, detail of the vagina opening into the female atrium. B, Male reproductive system showing the structure of the prostatic vesicle.

FIGURE 6 in A new species of Geoplana (Platyhelminthes: Tricladida: Geoplanidae) from the Western Amazon Basin with comments on the land planarian fauna from Peru

FIGURE 6. Geoplana excelentissima sp. nov. Sagittal reconstruction of the copulatory apparatus (anterior end to the right).

FIGURE 5 in A new species of Geoplana (Platyhelminthes: Tricladida: Geoplanidae) from the Western Amazon Basin with comments on the land planarian fauna from Peru

FIGURE 5. Geoplana excelentissima sp. nov. A, Sagittal section of the pharynx (anterior end to the left). B, Sagittal section of the copulatory apparatus (anterior end to the right).

FIGURE 4 in A new species of Geoplana (Platyhelminthes: Tricladida: Geoplanidae) from the Western Amazon Basin with comments on the land planarian fauna from Peru

FIGURE 4. Geoplana excelentissima sp. nov. A nematode larva below the ventral cutaneous musculature.

FIGURE 3 in A new species of Geoplana (Platyhelminthes: Tricladida: Geoplanidae) from the Western Amazon Basin with comments on the land planarian fauna from Peru

FIGURE 3. Geoplana excelentissima sp. nov. A, Transversal section of the pre-pharyngeal region. Arrow heads show the glandular margin. B, Detail of the ventral side showing the oviduct and the efferent duct. C, Detail of the testes in the dorsal side. D, Detail of the glandular margin.

FIGURE 2 in A new species of Geoplana (Platyhelminthes: Tricladida: Geoplanidae) from the Western Amazon Basin with comments on the land planarian fauna from Peru

FIGURE 2. Geoplana excelentissima sp. nov. Schematic drawing of the colour pattern and eyes of anterior (left) and posterior (right) body regions, in dorsal view from preserved specimen.

FIGURE 1 in A new species of Geoplana (Platyhelminthes: Tricladida: Geoplanidae) from the Western Amazon Basin with comments on the land planarian fauna from Peru

FIGURE 1. Geoplana excelentissima sp. nov. External view of a living specimen. A, Dorsal view. B, Ventral view. The anterior end is on the left.

FIGURE 26 in Three new species of land flatworms and comments on a complex of species in the genus Geoplana Stimpson (Platyhelminthes: Continenticola)

FIGURE 26. Geoplana baptistae sp. nov.: photograph of a live specimen (paratype MZU PL.00124) in dorsal view. Scale bar: 30 mm.

FIGURES 31–32 in Three new species of land flatworms and comments on a complex of species in the genus Geoplana Stimpson (Platyhelminthes: Continenticola)

FIGURES 31–32. Geoplana baptistae sp. nov.: (31) diagrammatic sagittal composite reconstruction of the copulatory apparatus of the holotype; (32) diagrammatic horizontal composite reconstruction of the copulatory apparatus of paratype MZU PL.00125. (cmc) common muscle coat, (cov) common glandular ovovitelline duct, (ej) ejaculatory duct, (fa) female atrium, (go) gonopore, (ma) male atrium, (ov) ovovitelline ducts, (pp) penis papilla, (pv) prostatic vesicle, (sc) secretory cells, (sv) spermiducal vesicle, (va) vagina. Scale bar: 1 mm.

FIGURES 16–17 in Three new species of land flatworms and comments on a complex of species in the genus Geoplana Stimpson (Platyhelminthes: Continenticola)

FIGURES 16–17. Geoplana carbayoi sp. nov.: (16) colour pattern and (17) detail of eyes pattern of a preserved specimen (paratype MZU PL.00114) in dorsal view. (e) eyes. Scale bar: 5 mm.

FIGURES 18–19 in Three new species of land flatworms and comments on a complex of species in the genus Geoplana Stimpson (Platyhelminthes: Continenticola)

FIGURES 18–19. Geoplana carbayoi sp. nov.: (18) pre-pharyngeal region of the holotype in transverse section; (19) pharynx of the holotype in sagittal section. (de) dorsal epidermis, (di) dorsal insertion, (es) esophagus, (gm) glandular margin, (i) intestine, (im) internal musculature, (lu) pharyngeal lumen, (m) mouth, (mm) mesenchymatic muscles, (om) outer musculature, (n) nerve plate, (pp) pharyngeal pouch, (sc) secretory cells, (t) testes, (v) vitellaria, (ve) ventral epidermis, (vi) ventral insertion. Scale bar: 1 mm.

FIGURES 11–15 in Three new species of land flatworms and comments on a complex of species in the genus Geoplana Stimpson (Platyhelminthes: Continenticola)

FIGURES 11–15. Geoplana ficki sp. nov.: (11) copulatory apparatus of paratype MZU PL.00103 from São Francisco de Paula in horizontal section; (12) copulatory apparatus of paratype MZU PL.00111 from São Francisco de Paula in horizontal section; (13) detail of paired portions of the prostatic vesicle of paratype MZU PL.00103 from São Francisco de Paula in horizontal section; (14) opening of spermiducal duct into one of the paired portions of prostatic vesicle in sagittal section (holotype); (15) encysted stage of a parasite (arrow), possibly metacercariae, in paratype MZU PL.00106. (de) dorsal epidermis, (ej) ejaculatory duct, (fa) female atrium, (go) gonopore, (ma) male atrium, (ov) oviduct, (pp) penis papilla, (pv) prostatic vesicle, (sv) spermiducal vesicle, (va) vagina. Scale bar: 0.5 mm.