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FIGURES 2–3 in Faunal survey and identification key for the trematodes (Platyhelminthes: Digenea) infecting Potamopyrgus antipodarum (Gastropoda: Hydrobiidae) as first intermediate host

FIGURES 2–3. Apatemon sp. I. 2, Sporocyst with developing cercariae. Scale bar = 100. Numerical scale division = 25. 3, Cercaria. Scale bar = 100. Numerical scale division = 5.

FIGURES 21–23. Coitocaecum spp. 21 in Faunal survey and identification key for the trematodes (Platyhelminthes: Digenea) infecting Potamopyrgus antipodarum (Gastropoda: Hydrobiidae) as first intermediate host

FIGURES 21–23. Coitocaecum spp. 21, Sporocyst, live (Taieri River Voucher). Scale bar = 100. Numerical scale division = 10. 22, Cercaria, live (photo of a Mataura River specimen different than voucher). Scale bar = 100. Numerical scale division = 10. 23, Close up of cercaria oral sucker showing two-pointed oral stylet, live (Ngaruroro River voucher). Scale bar = 15.

FIGURE 1 in Faunal survey and identification key for the trematodes (Platyhelminthes: Digenea) infecting Potamopyrgus antipodarum (Gastropoda: Hydrobiidae) as first intermediate host

FIGURE 1. General characteristics of the parthenitae and cercariae of the trematodes infecting Potamopyrgus antipodarum as first intermediate host. Microphallus sp. "livelyi" (sp. 13), whose embryos develop directly to metacercariae, is not figured. Species numbers and codes follow Table 1 and species accounts. Cercariae are all to scale, with additional magnified views of three small cercariae (indicated by dashed lines). Parthenitae are not to scale. Scale bars consistently indicate 100 µm.

FIGURES 14–16. Stegodexamine anguillae. 14 in Faunal survey and identification key for the trematodes (Platyhelminthes: Digenea) infecting Potamopyrgus antipodarum (Gastropoda: Hydrobiidae) as first intermediate host

FIGURES 14–16. Stegodexamine anguillae. 14, Redia, EtOH-fixed and acetocarmine-stained. Scale bar = 100. 15, Cercaria, live. Scale bar = 100. Numerical scale division = 10. 16, Close-up of live cercaria body to better indicate the four pairs of penetration glands. Scale bar = 100. Numerical scale division = 5.

FIGURES 30–32 in Faunal survey and identification key for the trematodes (Platyhelminthes: Digenea) infecting Potamopyrgus antipodarum (Gastropoda: Hydrobiidae) as first intermediate host

FIGURES 30–32. Virgulate sp. I. 30, Sporocysts, live (Taieri River voucher). Scale bar = 100. Numerical scale division = 10. 31, Cercaria, live (Taieri River voucher). Scale bar = 100. Numerical scale division = 2.5. 32, Close up of cercaria oral stylet showing oral stylet, live (Grey River voucher). Scale bar = 10.

FIGURE 4. Genital system. A in Hemicycla (Hemicycla) fuenterroquensis (Gastropoda: Helicoidea: Helicidae), a new species from La Palma, Canary Islands

FIGURE 4. Genital system. A, Hemicycla vermiplicata; B, H. fuenterroquensis sp. nov.; C, H. granomalleata; bc, bursa copulatrix; bd, bursa duct; cs, common stalk of the bursa copulatrix complex; d, diverticulum; ds, dart sac; e, epiphallus; f, flagellum; go, genital orifice; pp1, proximal penial papilla; pp2, distal penial papilla; pc, penial chamber; r, retractor muscle.

FIGURE 3. A in Hemicycla (Hemicycla) fuenterroquensis (Gastropoda: Helicoidea: Helicidae), a new species from La Palma, Canary Islands

FIGURE 3. A, Shell drawings of Hemicycla fuenterroquensis sp. nov., holotype, showing the placement of the measurements obtained for Table 1. B, Scatter plots of some shell measurements of the studied species. BH, body whorl height (at columella level); BP, body whorl frontal perimeter; BS, body whorl frontal surface (plane view); D1, maximum shell diameter; D2, shell diameter perpendicular to D1; FP, shell frontal perimeter; FS, shell frontal surface (plane view); SH, shell height; SP, shell perimeter (dorsal plane view); SS, shell surface (dorsal plane view).

FIGURE 2 in Hemicycla (Hemicycla) fuenterroquensis (Gastropoda: Helicoidea: Helicidae), a new species from La Palma, Canary Islands

FIGURE 2. Shells and details of the body whorl ornamentation of the three known Hemicycla species from La Palma Island. A, B, Hemicycla vermiplicata; C, D, H. fuenterroquensis sp. nov.; E, F, H. granomalleata. The arrows in Fig. 2 D highlight the weak microsculpture of the H. fuenterroquensis sp. nov. shell.

FIGURE 1 in Hemicycla (Hemicycla) fuenterroquensis (Gastropoda: Helicoidea: Helicidae), a new species from La Palma, Canary Islands

FIGURE 1. Geographical distribution of the known Hemicycla species from La Palma Island, and a detailed photograph of a Hemicycla fuenterroquensis sp. nov. specimen described in the present study.

FIGURES 47–55. 47, 48 in Deep-water Raphitomidae (Mollusca, Gastropoda, Conoidea) from the Campos Basin, southeast Brazil

FIGURES 47–55. 47, 48—Pleurotomella cf. anceyi Dautzenberg & Fischer, 1897, IBUFRJ 18984; 47—6.90 mm, whole shell; 48—protoconch. Figures 49, 50—Pleurotomella bureaui Dautzenberg & Fischer, 1897, IBUFRJ 19201; 49—4.30 mm, whole shell; 50—protoconch. Figures 51, 52, 53, 54, 55—Pleurotomella ybessa n. sp.; 51—Holotype MNRJ 30288; 12.26 mm, whole shell; 52, 54, 55—Paratype IBUFRJ 19191, 52—6.06 mm, whole shell; 54—detail of shell surface; 55—protoconch; 53—Paratype MCZ 374809; 5.88 mm, whole shell. Scale bars: 47, 49, 52 and 53 = 750 μm; 48, 50 and 55 = 250 μm; 51 = 2 mm; 54 = 25 μm.

FIGURES 38–46. 38, 39, 40 in Deep-water Raphitomidae (Mollusca, Gastropoda, Conoidea) from the Campos Basin, southeast Brazil

FIGURES 38–46. 38, 39, 40—Pleurotomella cala (Watson, 1885); 38—IBUFRJ 18982, 6.80 mm, whole shell; 39—IBUFRJ 18982, protoconch, 40—Syntype BMNH 1887.2.9.113-14. Figure 41—Pleurotomella packardii Verrill, 1872, Syntype USNM 37874. Figures 42, 43—Pleurotomella coelorhaphe Dautzenberg & Fischer, 1896, IBUFRJ 19181; 42—4.22 mm, whole shell; 43—protoconch. Figures 44, 45, 46—Pleurotomella perpauxilla (Watson, 1881); 44—IBUFRJ 15428, 3.46 mm, whole shell; 45—IBUFRJ 15428, protoconch; 46—Syntype BMNH 1887.2.9.1109. Scale bars: 38 = 1 mm; 39, 43 and 45= 250 μm; 40 and 41 = 2 mm; 42, 44 and 46 = 500 μm.

FIGURES 27–37. 27, 28 in Deep-water Raphitomidae (Mollusca, Gastropoda, Conoidea) from the Campos Basin, southeast Brazil

FIGURES 27–37. 27, 28—Gymnobela atypha (Bush, 1893); 27—IBUFRJ 16571, 20.42 mm, whole shell; 28—IBUFRJ 18924, protoconch. Figures 29, 30—Gymnobela bairdii (Verrill & Smith, 1884); 29—IBUFRJ 16437, 22.48 mm, whole shell; 30—IBUFRJ 18950, protoconch. Figures 31, 32—Gymnobela chyta (Watson, 1881); 31—IBUFRJ 16421, 31.54 mm, whole shell; 32—IBUFRJ 19178, protoconch. Figures 33, 34—Gymnobela xaioca n. sp.; 33—Holotype MNRJ 30287, 20.94 mm, whole shell; 34—Paratype IBUFRJ 16460, 14.34 mm, whole shell. Figures 35, 36—Gymnobela blakeana Dall, 1881; 35—IBUFRJ 16574, 10.02 mm, whole shell; 36—Syntype USNM 87427. Figure 37—Gymnobela aquilarum Watson, 1881, Holotype BMNH 1887.2.9.724. Scale bars: 27 and 29 = 3 mm; 28, 30 and 32 = 300 μm; 31 and 33 = 4 mm; 34, 35, 36 and 37 = 2 mm.

FIGURES 20–26. 20, 21 in Deep-water Raphitomidae (Mollusca, Gastropoda, Conoidea) from the Campos Basin, southeast Brazil

FIGURES 20–26. 20, 21—Magnella malmii (Dall, 1889), IBUFRJ 15980; 20—3,00 mm, whole shell; 21—protoconch. Figures 22, 23—Magnella watsoni (Dautzenberg, 1889), IBUFRJ 14967; 22—4.94 mm, whole shell; 23—protoconch. Figures 24, 25, 26—Magnella extensa (Dall, 1881); 24—IBUFRJ 18474, 3.30 mm, whole shell; 25—IBUFRJ 18474, protoconch; 26—Syntype MCZ 7147. Scale bars: 20 and 24 = 500 μm; 21, 23 and 25 = 250 μm; 22 and 26 = 1 mm.

FIGURES 1–11. 1, 2 in Deep-water Raphitomidae (Mollusca, Gastropoda, Conoidea) from the Campos Basin, southeast Brazil

FIGURES 1–11. 1, 2 —Aliceia aenigmatica Dautzenberg & Fischer, 1897, IBUFRJ 18442; 1—4.02 mm, whole shell; 2—protoconch; 3, 4—Famelica mirmidina Dautzenberg & Fischer, 1896; 1—IBUFRJ 18465, 4.94 mm, whole shell; 2—IBUFRJ 18452, protoconch; 5, 6, 7—Neopleurotomoides aembe n. sp.; 5, 8—Holotype MNRJ 30285; 5—3.18 mm, whole shell; 8—detail of shell surface; 6—Paratype MZSP 108228, 3.64 mm, whole shell; 7—Paratype MNRJ 30286, protoconch; 9, 10, 11—Eubela limacina (Dall, 1881); 9—Syntype MCZ 7111; 10—IBUFRJ 13847, 7.32 mm, whole shell; 11—IBUFRJ 15348, protoconch. Scale bars: 1, 3, 5 and 6 = 500 μm; 2, 4, 7 and 11 = 300 μm; 8 = 50 μm; 9 and 10 = 1 mm.

FIGURES 12–19. 12, 13 in Deep-water Raphitomidae (Mollusca, Gastropoda, Conoidea) from the Campos Basin, southeast Brazil

FIGURES 12–19. 12, 13—Xanthodaphne dalmasi Dautzenberg & Fischer, 1896, IBUFRJ 18498; 12—4.94 mm, whole shell; 13—protoconch; 14, 15 —Xanthodaphne araneosa Watson, 1881, IBUFRJ 18537; 14—5.18 mm, whole shell; 15—protoconch; 16, 17, 18, 19—Xanthodaphne pichi n. sp.; 16, 18, 19—Holotype MNRJ 30289; 16—3.88 mm, whole shell; 18—detail of shell surface; 19—protoconch; 17—Paratype IBUFRJ 17063, 6.98 mm, whole shell. Scale bars: 12, 15 and 16 = 500 μm; 13 and 19= 300 μm; 14 and 16 = 1 mm; 18 = 50 μm.

FIGURES 46–54. Shells. Figs. 46–48 in New land mollusk fauna from Serra da Capivara, Piauí, Brazil, with a new genus and five new species (Gastropoda: Orthalicoidea, Streptaxidae, Subulinidae)

FIGURES 46–54. Shells. Figs. 46–48: Streptartemon molaris n. sp.; Fig. 46, paratype MZSP 111843 (W 7.6 mm), apertural view; Fig. 47, same, detail of aperture in slightly inferior view; Fig. 48, paratype MZSP 112366, young specimen (W 6.1 mm), apertural view; Fig. 49, Lamellaxis cf. gracilis, MZSP 112406, apertural view (L 7.1 mm); Fig. 50, same species, MZSP 112354, apertural view (L 8.6 mm); Figs. 50–54, Beckianum beckianum; Fig. 51, MZSP 112411 (L 6.5 mm), apertural view; Fig. 52, same, right view; Fig. 53, same, dorsal view; Fig. 54, MZSP 111542 (L 4.8 mm), apertural view; Fig. 55, dorsal view.

FIGURES 35–45. Type shells. Figs. 42–45, Anctus prolatus n in New land mollusk fauna from Serra da Capivara, Piauí, Brazil, with a new genus and five new species (Gastropoda: Orthalicoidea, Streptaxidae, Subulinidae)

FIGURES 35–45. Type shells. Figs. 42–45, Anctus prolatus n. sp. holotype MZSP 112450 (L 25.2 mm); Fig. 35, frontal view; Fig. 36, same, right view; Fig. 37, same, dorsal view; Fig. 38, same, anterior view; Fig. 39, same, apical view; Fig. 40, paratype MZSP 111826 (L 24.1 mm), apertural view; Fig. 41, same, slightly left view; Figs. 42–45, Streptartemon molaris n. sp. shell of holotype MZSP 112451 (W 8.7 mm); Fig. 42, inferior view; Fig. 43, apical view; Fig. 44, apertural view; Fig. 45, same, detail of aperture.

FIGURES 16–23. Type shells. Figs. 16–22 in New land mollusk fauna from Serra da Capivara, Piauí, Brazil, with a new genus and five new species (Gastropoda: Orthalicoidea, Streptaxidae, Subulinidae)

FIGURES 16–23. Type shells. Figs. 16–22: Cyclodontina capivara n. sp. shell of types; Fig. 16, holotype MZSP 112448, apertural view (L 19.2 mm); Fig. 17, same, right view; Fig. 18, same, dorsal view; Fig. 19, paratype MZSP 111845–1, apertural view (L 20.4 mm); Fig. 30, same, #2 (L 17.0 mm); Fig. 21, paratype MZSP 111837, young specimen, apertural view (L 6.5 mm); Fig. 22, same, detail of apex in profile (W 2.0 mm); Fig. 23, Rhinus gilbertus n. sp., holotype, detail of apex in profile (W 1.5 mm).

FIGURES 24–34. Rhinus gilbertus n in New land mollusk fauna from Serra da Capivara, Piauí, Brazil, with a new genus and five new species (Gastropoda: Orthalicoidea, Streptaxidae, Subulinidae)

FIGURES 24–34. Rhinus gilbertus n. sp. type shells. Figs. 24–28, holotype MZSP 112449 (L 21.9 mm); Fig. 24, apertural view; Fig. 25, right view; Fig. 26, dorsal view; Fig. 27 anterior-slightly left view; Fig. 28, apical view; Fig. 29, paratype MZSP 111827, young specimen, apertural view (L 13.9 mm); Fig. 30, paratype MZSP 111844, apertural view (L 18.7 mm); Fig. 31, same, dorsal view; Fig. 32, paratype MZSP 111845, apertural view (L 18.7 mm); Fig. 33, same, dorsal view; Fig. 34, same, detail of last whorl with umbilicus.

FIGURES 2–15. Clinispira insolita n.g. et n in New land mollusk fauna from Serra da Capivara, Piauí, Brazil, with a new genus and five new species (Gastropoda: Orthalicoidea, Streptaxidae, Subulinidae)

FIGURES 2–15. Clinispira insolita n.g. et n. sp. type shells. Figs. 2–6, holotype MZSP 111847 (L 14.6 mm), Fig. 2, right view; Fig. 3, ventral view; Fig. 4, dorsal view; Fig. 5, apical view; Fig. 6, inferior view; Fig. 7, detail of aperture, right-slightly ventral view; Figs. 8–10, paratype MZSP 111846 (L 15.6 mm); Fig. 8, right view; Fig. 9, ventral view; Fig. 10, dorsal view; Fig. 11, paratype MZSP 112369, ventral view (L 14.0 mm); Fig. 12, same, dorsal view; Fig. 13, same, right view; Fig. 14, Paratype MZSP 112426, young specimen, apertural view (L 9.3 mm); Fig. 15, same, detail of apex in profile-slightly apical view.