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FIGURE 1. A–Q in A new freshwater snail (Caenogastropoda: Cochliopidae) from the Atacama Desert, northern Chile

FIGURE 1. A–Q. Heleobia deserticola sp. nov. A. Shell of the holotype (MZUC 43067). B–K. Shells of the paratypes (MZUC 43068–43077). L. Operculum (1.70 mm total length). M–O. Penes of three individuals (0.64, 0.70 and 0.90 mm total length, respectively). Operculum and penes were photographed from both sides. P, Q. Egg capsules of the new species. P. Egg capsules attached to the adult shells. Q. Pre–hatching capsule isolated with a shelled juvenile inside. R. Shell of an adult snail from Carrera Pinto (SL 3.51 mm, SW 1.55 mm, AL 1.35 mm, AW 0.97 mm. S. Penis of this individual (0.75 mm total length).

FIGURE 6. Triphora portoricensis. A. BMSM 55396 in Five new species and two records of Triphorinae (Caenogastropoda, Triphoridae) from Brazil

FIGURE 6. Triphora portoricensis. A. BMSM 55396, shell from Bahamas, 3.07 mm long. B. BMSM 55394, idem, 2.13 mm long. C. IBUFRJ 9105, shell from Brazil, 8.86 mm long. D. MNRJ 17228, idem, 6.70 mm long. E–G, I, same shell as D. H, J– K, MNRJ 32880. Scale bars: A–E, 1 mm; F–H, 500 µm; I–K, 100 µm.

FIGURE 8 in Five new species and two records of Triphorinae (Caenogastropoda, Triphoridae) from Brazil

FIGURE 8. Triphora scylla sp. nov. A. MZSP 119013, holotype, 6.27 mm long. B. IBUFRJ 7568, paratype, 4.00 mm long. C. MNRJ 18593, paratype, 4.41 mm long. D, F, H, same shell as C. E, G, I–K, same shell as B. Scale bars: A–E, 1 mm; F–H, 500 µm; I, K, 100 µm; J, 50 µm.

FIGURE 5 in Five new species and two records of Triphorinae (Caenogastropoda, Triphoridae) from Brazil

FIGURE 5. Nanaphora leei sp. nov. A. MNRJ 34086, holotype, 5.83 mm long. B. MNRJ 29765, paratype, 4.87 mm long. C. MNRJ 29765, paratype, 3.20 mm long. D. MNRJ 32653, 4.96 mm long. E–F, I–K, same shell as B. G–H, holotype, not coated for SEM. Scale bars: A–E, 1 mm; F–H, 500 µm; I, K, 100 µm; J, 50 µm.

FIGURE 4. Nanaphora verbernei comb. nov. A–C. MNRJ 18756. A. Shell from Brazil, 3.29 in Five new species and two records of Triphorinae (Caenogastropoda, Triphoridae) from Brazil

FIGURE 4. Nanaphora verbernei comb. nov. A–C. MNRJ 18756. A. Shell from Brazil, 3.29 mm long. B. Idem, 3.40 mm long. C. Idem, 3.25 mm long. D. Idem, MZSP 85022, 3.20 mm long. E, G, same shell as D. F, H–J, same shell as A. Scale bars: A–D, F, 1 mm; E, G, 500 µm; H, J, 100 µm; I, 50 µm.

FIGURE 3 in Five new species and two records of Triphorinae (Caenogastropoda, Triphoridae) from Brazil

FIGURE 3. Eutriphora costai sp. nov. A. MNRJ 32604, holotype, 6.50 mm long. B. MNRJ 32544, paratype, 6.03 mm long. C. MNRJ 32066, paratype, 5.26 mm long. D. MNRJ 32544, paratype, 5.70 mm long. E–K, same shell as D. Scale bars: A–E, 1 mm; F–H, 500 µm; I, K, 100 µm; J, 50 µm.

FIGURE 2 in Five new species and two records of Triphorinae (Caenogastropoda, Triphoridae) from Brazil

FIGURE 2. Cheirodonta mizifio sp. nov. A. MNRJ 18696, holotype, 6.28 mm long. B. MNRJ 32555, paratype, 5.07 mm long. C. MNRJ 33082, paratype, 7.76 mm long. D. MNRJ 31622, paratype, 3.36 mm long. E–F, I, holotype, coated for SEM. G–H, MNRJ 31620. J, MNRJ 31614. K, MNRJ 32901. Scale bars: A–E, 1 mm; F–H, 500 µm; I, K, 100 µm; J, 50 µm.

FIGURE 7. A in Five new species and two records of Triphorinae (Caenogastropoda, Triphoridae) from Brazil

FIGURE 7. A. Triphora lilacina, lectotype, USNM 83087. B. Triphora cf. lilacina, FLMNH 238675, 7.22 mm long. C–K. Triphora charybdis sp. nov. C. MNRJ 18620, holotype, 8.19 mm long. D. MNRJ 33527, paratype, 6.05 mm long. E–F, I–J, holotype, coated for SEM. G, MNRJ 19480. H, MNRJ 31107. K, MNRJ 31107. Scale bars: B–E, 1 mm; F–H, 500 µm; I, K, 100 µm; J, 50 µm.

FIGURE 1. Terminology used for shell descriptions. A. Entire shell. B–C in Five new species and two records of Triphorinae (Caenogastropoda, Triphoridae) from Brazil

FIGURE 1. Terminology used for shell descriptions. A. Entire shell. B–C. Abapical portion of the shell. D–F. Protoconch. G. Protoconch, adapical view (procedure for counting whorls). H–K. Most common embryonic shell sculptures in Triphorinae, with rounded granules (H), reticulate pattern (I), arrowhead-shaped granules/cruciform tubercles (J) or axial vesicles (K). Abbreviations: (abc) abapical spiral cord, (ac) anterior canal, (adc) adapical spiral cord, (ap) aperture, (bc) basal cords, (es) embryonic shell, (ls) larval shell, (mc) median spiral cord, (pc) posterior canal, (pl) protoconch length, (pw) protoconch width, (sc) sutural cord, (sl) shell length, (snc) supranumerical cords, (spc) subperipheral cord, (sw) shell width.

FIGURE 31 in A review of the family Clenchiellidae (Mollusca: Caenogastropoda: Truncatelloidea)

FIGURE 31. Radulae of Colenuda kessneri (NTM P.6529) and Coleglabra nordaustralis (AMS C.307276). Colenuda kessneri: A, central, lateral and marginal teeth; B, central and lateral teeth. Coleglabra nordaustralis: C, central, lateral and marginal teeth; D, central and lateral teeth.

FIGURE 32 in A review of the family Clenchiellidae (Mollusca: Caenogastropoda: Truncatelloidea)

FIGURE 32. Reproductive anatomy of Colenuda kessneri (NTM P.6529; A–D) and Coleglabra nordaustralis (AMS C.307276; E–H). Colenuda kessneri: A, head with penis, dorsal view; B, penis, ventral view; C, female reproductive system shown from anterior (left) to posterior (right); D, female reproductive system shown from posterior (left) to anterior (right). Coleglabra nordaustralis: E, head with penis, dorso-lateral view; F, ovary; G, female reproductive system shown from anterior (left) to posterior (right); H, female reproductive system shown from posterior (left) to anterior (right). Scale bars: 500 µm. Abbreviations: ag, albumen gland; bc, bursa copulatrix; cb, cut base of penis; cg, capsule gland; co, coiled oviduct; lo, lobe; oo, oocyte; pd, penial duct; pp, penial papilla; ppw, position of posterior wall of mantle cavity; sr, seminal receptacle; uo, upper oviduct; v, vestibule.

FIGURE 33 in A review of the family Clenchiellidae (Mollusca: Caenogastropoda: Truncatelloidea)

FIGURE 33. Maximum Likelihood phylogeny of the Clenchiellidae based on the partial COI mitochondrial gene. Bootstrap support of>80% is indicated by branch nodes. The identifiers 'a, b' by the branch of Clenchiella varicosa n. sp. indicate that identical sequences from the same locality were obtained.

FIGURE 30 in A review of the family Clenchiellidae (Mollusca: Caenogastropoda: Truncatelloidea)

FIGURE 30. External and internal view (left to right) of opercula of: A, B, Colenuda kessneri (NTM P.6529); C, D, Coleglabra nordaustralis (AMS, C.307276). Scale bars: 200 µm.

FIGURE 22 in A review of the family Clenchiellidae (Mollusca: Caenogastropoda: Truncatelloidea)

FIGURE 22. Reproductive anatomy of Coliracemata mortoni (AMS C.460381). A, male head and penis; B, penis, ventral view; C, penis showing separate groups of apocrine glands; D, female reproductive system shown from anterior (left) to posterior (right); E, female reproductive system shown from posterior (left) to anterior (right). Scale bars: 200 µm. Abbreviations: ag, albumen gland; bc, bursa copulatrix; cag, clusters of apocrine glands; cb, cut base of penis; cg, capsule gland; co, coiled oviduct; ct, cephalic tentacle; fa, female aperture; gg, groups of apocrine glands; gm, glandular mass; pd, penial duct; ppw, position of posterior wall of mantle cavity; sr, seminal receptacle.

FIGURE 23 in A review of the family Clenchiellidae (Mollusca: Caenogastropoda: Truncatelloidea)

FIGURE 23. Head-foot of Coliracemata katurana (AMS C.445414). A, head, dorsal view; B, lateral view of head-foot; C, sole. Scale bars: 200 µm. Abbreviations: amg, anterior mucous gland, cc, compound cilia; ol, opercular lobe; gc, gland cells; s, snout.

FIGURE 29 in A review of the family Clenchiellidae (Mollusca: Caenogastropoda: Truncatelloidea)

FIGURE 29. Shell characters of Colenuda kessneri (NTM P.6529; A–E) and Coleglabra nordaustralis (AMS C.307276; F–K). Colenuda kessneri: A–C, from left towards right: dorsal, lateral and ventral view respectively; D, protoconch; E, dorsal sculptural detail. Coleglabra nordaustralis: F, dorsal sculptural detail; G, protoconch; H, dorsal view; I, J, lateral view; K, ventral view.

FIGURE 27 in A review of the family Clenchiellidae (Mollusca: Caenogastropoda: Truncatelloidea)

FIGURE 27. Coliracemata? microscopica (A, B) modified from the original illustrations by Annandale and Kemp (1916, fig. 3) and Coliracemata? innocens (C–E) modified from the original illustrations by Preston (1915, fig. 9a–c). Scale bars: 500 µm.

FIGURE 14 in A review of the family Clenchiellidae (Mollusca: Caenogastropoda: Truncatelloidea)

FIGURE 14. Type localities of Clenchiella victoriae, Cl. bicingulata, Cl. varicosa, Cl. iriomotensis, and all recorded localities of Cl. minutissima (type locality Vietnam).

FIGURE 10 in A review of the family Clenchiellidae (Mollusca: Caenogastropoda: Truncatelloidea)

FIGURE 10. Reproductive anatomy of Clenchiella varicosa (AMS C.460738). A, male head and penis; B, penis; C, female reproductive system shown from anterior (left) to posterior (right); D, female reproductive system shown from posterior (left) to anterior (right). Scale bars: 200 µm. Abbreviations: ag, albumen gland; bc, bursa copulatrix; cb, cut base of penis; cg, capsule gland; co, coiled oviduct; ct, cephalic tentacle; fa, female aperture; pd, penial duct; pl, penial lobe; ppw, position of posterior wall of mantle cavity; sr, seminal receptacle.

FIGURE 7 in A review of the family Clenchiellidae (Mollusca: Caenogastropoda: Truncatelloidea)

FIGURE 7. Reproductive anatomy of Clenchiella bicingulata (AMS C.460375). A, penis, ventral view; B, penis, dorsal view; C, testis; D, ovary; E, female reproductive system shown from anterior (left) to posterior (right); F, female reproductive system shown from posterior (left) to anterior (right). Scale bars: 200 µm. Abbreviations: ag, albumen gland; bc, bursa copulatrix; cb, cut base of penis; cg, capsule gland; co, coiled oviduct; pd, penial duct; pl, penial lobe; ppw, position of posterior wall of mantle cavity; sr, seminal receptacle; sv, seminal vesicle.