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FIGURE 3 in Three new species of the family Cirolanidae Dana, 1852 (Isopoda, Cymothoida) from the shallow Brazilian bathyal

FIGURE 3. Dolicholana ivanyae spec. nov., Holotype, male, 15 mm (MNRJ 20208). A–B = Maxilla 1–2; C= Antenna 1; D = Antenna 2; E = Maxilliped; F = Mandible. Scale bars = 0.5 mm.

FIGURE 2 in Three new species of the family Cirolanidae Dana, 1852 (Isopoda, Cymothoida) from the shallow Brazilian bathyal

FIGURE 2. Dolicholana ivanyae spec. nov., Holotype, male, 15 mm (MNRJ 20208). A = Head oblique view; B = Head ventral view; C = Head dorsal view; D = Head = frontal view; E = Pleontelson. Scale bars = 0.5 mm.

FIGURE 12 in Three new species of the family Cirolanidae Dana, 1852 (Isopoda, Cymothoida) from the shallow Brazilian bathyal

FIGURE 12. Natatolana hadassae spec. nov., Holotype, female, 30.1 mm, (MOUFPE 15647). A–E = Pleopods 1–5; F = Uropod. Scale bars = 2 mm.

FIGURE 10 in Three new species of the family Cirolanidae Dana, 1852 (Isopoda, Cymothoida) from the shallow Brazilian bathyal

FIGURE 10. Natatolana hadassae spec. nov., Holotype, female, 30.1 mm, (MOUFPE 15647). A–D = Pereopods 1–4. Scale bars = 2 mm.

FIGURE 9 in Three new species of the family Cirolanidae Dana, 1852 (Isopoda, Cymothoida) from the shallow Brazilian bathyal

FIGURE 9. Natatolana hadassae spec. nov., Holotype, female, 30.1 mm, (MOUFPE 15647). A–B = Maxilla 1–2; C= Antenna 1; D = Antenna 2; E = Maxilliped; F = Mandible. Scale bars = 2 mm.

FIGURE 5 in Three new species of the family Cirolanidae Dana, 1852 (Isopoda, Cymothoida) from the shallow Brazilian bathyal

FIGURE 5. Dolicholana ivanyae spec. nov., Holotype, male, 15 mm (MNRJ 20208). A–C = Pereopods 5–7; D = Pereonites 6–7; pleonites 1–5 (Paratype, Male, 8 mm, MZUSP 25641). Scale bars = 0.5 mm.

FIGURE 7. X in Two new species of the bathyal holothurian genus Pannychia (Elasipodida, Laetmogonidae) from Japanese waters

FIGURE 7. X-ray μCT scanning image of a calcareous ring and SEM images of ossicles from a tentacle of Pannychia rinkaimaruae sp. nov. (holotype, NSMT E-13404). A, aboral view of calcareous ring; B, rods from a tentacle; C, end plate from a tube foot; D, rods from tube foot. R and IR mean radial and interradial elements of calcareous ring, respectively. Roman numerals with R and Arabic numerals with IR denote the positions of the elements of the calcareous ring. Rap indicates anterior processes of a radial element; Ro, opening of a radial element; IRap, an anterior process of an interradial element.

FIGURE 9 in Two new species of the bathyal holothurian genus Pannychia (Elasipodida, Laetmogonidae) from Japanese waters

FIGURE 9. Maximum likelihood tree based on partial COI sequences of 5 species of genus Pannychia. The values labeling nodes are the bootstrap support from the ML analysis (values below 70 are omitted). The scale bar indicates branch length in substitutions per site.

FIGURE 8 in Two new species of the bathyal holothurian genus Pannychia (Elasipodida, Laetmogonidae) from Japanese waters

FIGURE 8. SEM images of wheel ossicles from dorsal and ventral body walls of Pannychia rinkaimaruae sp. nov. (A, B from dorsal body wall; C, D from ventral body wall; holotype, NSMT E-13404). A, large wheels with triangular rim teeth and calcareous membrane, convex side view (left) and concave side view (right); B, small wheels with conical rim teeth but without calcareous membrane, convex side view (left) and concave side view (right); C, large wheels with triangular rim teeth and calcareous membrane, convex side view (left) and concave side view (right); D, small wheels with conical rim teeth but without calcareous membrane, convex side view (left) and concave side view (right).

FIGURE 6 in Two new species of the bathyal holothurian genus Pannychia (Elasipodida, Laetmogonidae) from Japanese waters

FIGURE 6. External morphology of Pannychia rinkaimaruae sp. nov. (holotype, NSMT E-13404). A, dorsal view after preservation; B, ventral view after preservation; C, dorsal view before preserved in alcohol; D, ventral view before preserved in alcohol. Mouth is right, and anus is left. No scale bar is available in C and D.

FIGURE 5 in Two new species of the bathyal holothurian genus Pannychia (Elasipodida, Laetmogonidae) from Japanese waters

FIGURE 5. SEM images of wheel ossicles from ventral body walls of Pannychia nagasakimaruae sp. nov. (holotype, NSMT E-13401). A, large wheels with triangular rim teeth and calcareous membrane, convex side view (left) and concave side view (right); B, mid-sized wheels with rim teeth but calcareous membrane incompletely covering the nave, convex side view (left) and concave side view (right); C, small wheels without brim teeth and calcareous membrane, regular forms convex side view (C1 left) and concave side view (C1 right), irregular form with additional holes deriving on outer rim (C2); D, a perforated wheel.

FIGURE 4 in Two new species of the bathyal holothurian genus Pannychia (Elasipodida, Laetmogonidae) from Japanese waters

FIGURE 4. SEM images of wheel ossicles from dorsal body wall of Pannychia nagasakimaruae sp. nov. (A, B, C from holotype, NSMT E-13401; D from a paratype, NSMT E-9443). A, large wheels with triangular rim teeth and calcareous membrane, convex side view (left) and concave side view (right); B, mid-sized wheels with rim teeth but calcareous membrane incompletely covering the nave, convex side view (left) and concave side view (right); C, small wheels without rim teeth and calcareous membrane, regular forms (C1) convex side view (left) and concave side view (right), irregular form (C2); D, a perforated wheel.

FIGURE 3. X in Two new species of the bathyal holothurian genus Pannychia (Elasipodida, Laetmogonidae) from Japanese waters

FIGURE 3. X-ray μCT scanning image of the calcareous ring and SEM images of rod ossicles from a tentacle of Pannychia nagasakimaruae sp. nov. (holotype, NSMT E-13404). A, aboral view of calcareous ring; B, rod ossicles from a tentacle. R and IR mean radial and interradial elements of calcareous ring, respectively. Roman numerals with R and Arabic numerals with IR denote the positions of the elements of the calcareous ring. Rap indicates anterior processes of a radial element; Rdn, deep indentation of a radial element; IRap, an anterior process of an interradial element.

FIGURE 2 in Two new species of the bathyal holothurian genus Pannychia (Elasipodida, Laetmogonidae) from Japanese waters

FIGURE 2. External morphology of Pannychia nagasakimaruae sp. nov. A, dorsal view after preservation (holotype, NSMT E-13401); B, ventral view after preservation (holotype, NSMT E-13401); C, dorsal lateral view before in preserved in alcohol (a paratype, NSMT E-9442). Mouth is right, and anus is left. Several papillae, tube feet, and tentacles are damaged and lost.

FIGURE 1 in Two new species of the bathyal holothurian genus Pannychia (Elasipodida, Laetmogonidae) from Japanese waters

FIGURE 1. Known records of Japanese Pannychia specimens and sampling localities of Pannychia nagasakimaruae sp. nov. and Pannychia rinkaimaruae sp. nov. Closed rhombuses mean P. henrici; open star P. moseleyi; open circles P. virgulifera; open rhombuses P. nagasakimaruae sp. nov.; closed circles P. rinkaimaruae sp. nov. Bold characters with symbols show sampling localities of P. nagasakimaruae sp. nov. and P. rinkaimaruae sp. nov.

FIG. 27. —A-C in The unknown bathyal of the Canaries: new species and new records of deep-sea Mollusca

FIG. 27. —A-C, Kurtiella pellucida (Jeffreys, 1881), left and right valves from DW133 (4.3 and 5.6 mm); new to the Canaries; D-F, Crassatina marchadi Cosel, 1995, left and right valves from DW 133 (3.0 and 4.3 mm); new to Spanish waters; G, H, Halicardia angulata (Jeffreys, 1882), specimen from DW130 (3.8 mm); new to Spanish waters; I, Spheniopsis senegalensis Cosel, 1995, specimen from DW133 (3.6 mm); new to Spanish waters; J, Spheniopsis senegalensis, inside of a left valve, same locality (4.7 mm).

FIG. 26. — A, B in The unknown bathyal of the Canaries: new species and new records of deep-sea Mollusca

FIG. 26. — A, B, Pristigloma minima (Seguenza, 1877), valve from DW130 (1.7 mm); new to Spanish waters; C, Limopsis angusta Jeffreys, 1879, specimen from DW126 (height 5.2 mm without barbs); new to the Canaries; D, Limopsis angusta, inside of a valve, same locality (4.7 mm); E, Lima marioni P. Fischer, 1882, valve from DW130 (18.0 mm); new to the Canaries; F, Limatula gwyni (Sykes, 1903), valve from DW120 (5.6 mm); new to the Canaries; G, Limatula laminifera (E. A. Smith, 1885), valve from DW130 (2.8 mm); new to the Canaries.

FIG. 21. — A, B, Gymnobela multilirata n in The unknown bathyal of the Canaries: new species and new records of deep-sea Mollusca

FIG. 21. — A, B, Gymnobela multilirata n. sp., holotype from DW130 (height 2.2 mm); C, D, paratype, same locality (height 2.7 mm); E, protoconch of another paratype, same locality. Scale bar: 200 µm.

FIG. 20. — A, B in The unknown bathyal of the Canaries: new species and new records of deep-sea Mollusca

FIG. 20. — A, B, Spirotropis centimata (Dall, 1889), shell from off Cap Ghir, Morocco, "Talisman" 1883 sta. 43-44 (28.7 mm); C, protoconch of the same specimen; D-F, Spirotropis guancha n. sp., holotype from DW128 (spm., 16.2 mm); F, protoconch of the holotype. Scale bars: 1 mm.

FIG. 23. — A-F in The unknown bathyal of the Canaries: new species and new records of deep-sea Mollusca

FIG. 23. — A-F, Teretia megalembryon (Dautzenberg & H. Fischer, 1896) n. comb.: A, B, shell from DW 130 (height 2.8 mm); C, SEM micrograph of another specimen, same locality (height 2.1 mm); D, E, protoconch and detail of protoconch I, same specimen; F, detail of microsculpture on the shoulder, same specimen; G-I, Teretia teres (Reeve, 1844): G, protoconch of a specimen from Djibouti Banks, Alboran Sea; H, detail of protoconch I; I, detail of microsculpture on the shoulder, same specimen. Scale bars: A-C, E, F, I, 100 µm; D, G, 500 µm.