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Figure 6. Transverse sections through a in Foregut anatomy and predation by Charonia lampas (Gastropoda: Prosobranchia: Neotaenioglossa) attacking Ophidiaster ophidianus (Asteroidea: Ophidiasteridae) in the Açores, with a review of triton feeding behaviour

Figure 6. Transverse sections through a single acinus of the posterior salivary glands of (A) Charonia lampas and (B) Gyrineum natator.

Figure 5 in Foregut anatomy and predation by Charonia lampas (Gastropoda: Prosobranchia: Neotaenioglossa) attacking Ophidiaster ophidianus (Asteroidea: Ophidiasteridae) in the Açores, with a review of triton feeding behaviour

Figure 5. Charonia lampas. (A) A detail of the salivary glands and their duct system after being turned to the left through 180◦; (B) a row of teeth that make up the taenioglossan radula; (C) the paired jaws at the entrance to the mouth.

Figure 3 in Foregut anatomy and predation by Charonia lampas (Gastropoda: Prosobranchia: Neotaenioglossa) attacking Ophidiaster ophidianus (Asteroidea: Ophidiasteridae) in the Açores, with a review of triton feeding behaviour

Figure 3. Charonia lampas. Faeces produced after consuming an autotomised arm of Ophidiaster ophidianus. (A) Phase 1, after consumption of the tube feet, coelomic tube feet ampullae, pyloric caecae and gonads. (B) Phase 2, after consumption of the exoskeleton.

Figure 4 in Foregut anatomy and predation by Charonia lampas (Gastropoda: Prosobranchia: Neotaenioglossa) attacking Ophidiaster ophidianus (Asteroidea: Ophidiasteridae) in the Açores, with a review of triton feeding behaviour

Figure 4. Charonia lampas. The foregut anatomy of the preserved specimen obtained from Spain, and as seen from the dorsal aspect.

Figure 2 in Foregut anatomy and predation by Charonia lampas (Gastropoda: Prosobranchia: Neotaenioglossa) attacking Ophidiaster ophidianus (Asteroidea: Ophidiasteridae) in the Açores, with a review of triton feeding behaviour

Figure 2. Charonia lampas consuming an autotomised arm of Ophidiaster ophidianus. (A, B) Phase 1, consumption of the tube feet (A); consumption of the coelomic tube feet ampullae, pyloric caecae and gonads (B). (C, D) Phase 2, consumption of the exoskeleton.

Figure 1 in Foregut anatomy and predation by Charonia lampas (Gastropoda: Prosobranchia: Neotaenioglossa) attacking Ophidiaster ophidianus (Asteroidea: Ophidiasteridae) in the Açores, with a review of triton feeding behaviour

Figure 1. Charonia lampas attacking Ophidiaster ophidianus. (A) Charonia lampas pursues its potential prey and "taps" it with its tentacles. Ophidiaster ophidianus attempts to flee. (B) Charonia lampas captures one of the prey arms, which is instantly autotomised. Ophidiaster ophidianus makes its escape after leaving behind the arm, which autotomised further into two pieces.

Figure 5 in An unusual, flagellum-bearing hydrobiid snail (Gastropoda: Rissooidea: Hydrobiidae) from Greece, with descriptions of a new genus and a new species

Figure 5. Renal and pallial section of female reproductive organs of Agrafia wiktori; bar represents 0.5 mm; bc, bursa copulatrix; cbc, duct of bursa copulatrix; ga, albumen gland; gn, capsule gland; gp, gonoporus; ov, oviduct; ovl, coil of (renal) oviduct; rs1, rs2, seminal receptacles 1 and 2 (after Radoman), respectively; vc, ventral channel.

Figure 4 in An unusual, flagellum-bearing hydrobiid snail (Gastropoda: Rissooidea: Hydrobiidae) from Greece, with descriptions of a new genus and a new species

Figure 4. Penis of Agrafia wiktori: (A, B) Dorsal view; (C) ventral view, with tubular penial gland; (D) the same tubular penial gland magnified; bar represents 0.5 mm for (A–C); arrow indicates outlet of tubular penial gland.

Figure 3 in An unusual, flagellum-bearing hydrobiid snail (Gastropoda: Rissooidea: Hydrobiidae) from Greece, with descriptions of a new genus and a new species

Figure 3. Protoconch and radula of Agrafia wiktori, scanning electron micrographs: (A) Protoconch habitus; (B, C) protoconch surface; (D–F) radula; arrow indicates fragment of protoconch with more visible sculpture; bar represents: (A) 100 µm, (B) 25 µm, (C) 10 µm, (D–F) 5 µm.

Figure 1 in An unusual, flagellum-bearing hydrobiid snail (Gastropoda: Rissooidea: Hydrobiidae) from Greece, with descriptions of a new genus and a new species

Figure 1. Map showing locality of origin of Agrafia wiktori (marked with X). Figure produced using Cartografx Professional Software.

Figure 7. Maximum likelihood phylogram for combined 18S and cytochrome oxidase subunit I in An unusual, flagellum-bearing hydrobiid snail (Gastropoda: Rissooidea: Hydrobiidae) from Greece, with descriptions of a new genus and a new species

Figure 7. Maximum likelihood phylogram for combined 18S and cytochrome oxidase subunit I (COI) sequences, bootstrap support.

Figure 6. Maximum likelihood phylogram for cytochrome oxidase subunit I in An unusual, flagellum-bearing hydrobiid snail (Gastropoda: Rissooidea: Hydrobiidae) from Greece, with descriptions of a new genus and a new species

Figure 6. Maximum likelihood phylogram for cytochrome oxidase subunit I (COI) sequences, bootstrap support (1000 replicates).

Figure 4 in The taxonomic status and phylogenetic relationships of the genus Aenigmomphiscola Kruglov and Starobogatov, 1981 (Gastropoda: Pulmonata: Lymnaeidae)

Figure 4. The radular morphology of Aenigmomphiscola and Omphiscola species. (A) Ae. kazakhstanica; (B) Ae. europaea; (C) Omphiscola glabra. Labels: c, central tooth; l, lateral teeth. Scale bars 2 µm.

Figure 1 in The taxonomic status and phylogenetic relationships of the genus Aenigmomphiscola Kruglov and Starobogatov, 1981 (Gastropoda: Pulmonata: Lymnaeidae)

Figure 1. Shells and copulative apparatuses of molluscs of the genera Aenigmomphiscola (A–C, E) and Omphiscola (D, F). (A–B, E) Ae. europaea (Russia, Moscow region); (C) Ae. kazakhstanica (Russia, Mountain Altay); (D, F) O. glabra (Germany, Saxony). Scale bars 1 mm. Labels: pp, praeputium; ps, penis sheath; ps1, ps2, two parts of the penis sheath in Ae. europaea; sd, spermiduct.

Figure 3. 18S in The taxonomic status and phylogenetic relationships of the genus Aenigmomphiscola Kruglov and Starobogatov, 1981 (Gastropoda: Pulmonata: Lymnaeidae)

Figure 3. 18S rRNA phylogenetic tree obtained using ML algorithm. Numbers below branches are bootstrap scores.

Figure 2 in The taxonomic status and phylogenetic relationships of the genus Aenigmomphiscola Kruglov and Starobogatov, 1981 (Gastropoda: Pulmonata: Lymnaeidae)

Figure 2. Phylogenetic trees of the lymnaeid species studied, obtained using the different molecular markers and different algorithms of tree building. (A) ITS-2 tree based on ML algorithm; (B) ITS-2 tree based on MP algorithm; (C) COI tree based on ML algorithm; (D) COI tree based on MP algorithm. Numbers below branches are bootstrap scores.

Figure 18 in Taxonomic revision of the Onchidiidae (Mollusca: Gastropoda: Pulmonata) from the Tropical Eastern Pacific

Figure 18. Internal folds of the penial sheath of Onchidella steindachneri, SMNH 103166 #1, Galapagos Islands: (A) internal lining of the distal portion of the penial sheath; (B) detail. Scale bars: A, 1 mm; B, 300 µm.

Figure 21 in Taxonomic revision of the Onchidiidae (Mollusca: Gastropoda: Pulmonata) from the Tropical Eastern Pacific

Figure 21. Reproductive system of Hoffmannola lesliei, Galapagos Islands: (A) male anterior organs, CASIZ 072952 #1, mature; (B) male anterior organs, CASIZ 078368 #1, mature; (C) male anterior organs, CASIZ 078368 #2, mature; (D) posterior (female) organs, CASIZ 078368 #1, mature. Scale bar: A, 1.5 mm; B, 0.75 mm; C, 3 mm; D, 2 mm. Abbreviations: dd, deferent duct; fgm, female gland mass; hd, hermaphroditic duct; hg, hermaphroditic gland; ov, oviduct; ps, penial sheath; rm, retractor muscle; rs, receptaculum seminis; sp, spermatheca; vg, vaginal gland.

Figure 15 in Taxonomic revision of the Onchidiidae (Mollusca: Gastropoda: Pulmonata) from the Tropical Eastern Pacific

Figure 15. Radular teeth of Onchidella steindachneri, Galapagos Islands: (A) entire radula, CASIZ 017922 #1; (B) rachidian tooth, CASIZ 078354 #1; (C) Left lateral teeth, superior view, CASIZ 078354 #1, arrow indicates small cusp on outer, lateral expansion of base of lateral tooth; (D) Right lateral teeth, hook and lateral denticle, inferior view, CASIZ 078745 #4, left arrow indicates small cusp on outer, lateral expansion of base of lateral tooth, and right arrow indicates triangular structure supporting flattened, dorsal hook. Scale bars: A, 1 mm; B, 10 µm; C, 20 µm; D, 20 µm.

Figure 9 in Taxonomic revision of the Onchidiidae (Mollusca: Gastropoda: Pulmonata) from the Tropical Eastern Pacific

Figure 9. Anterior genital (male) organs of Onchidella binneyi, Gulf of California: (A) CASIZ 082076 #1, mature; (B) FMNH 195976 #1, mature; (C) NMNH 805160 #2, immature; (D) CASIZ 021518 #4, mature; (E) CASIZ 078724 #1, mature; (F) CASIZ 078710 #1, mature; (G) CASIZ 078721 #1, mature; (H) CASIZ 021518 #2, immature; (I) CASIZ 006137 #3, not fully mature; (J) CASIZ 082076 #3, mature. Scale bar: A, 2 mm; B, 1 mm; C, 1 mm; D, 1 mm; E, 2 mm; F, 0.8 mm; G, 3 mm; H, 0.4 mm; I, 0.7 mm; J, 4 mm. Abbreviations: c, caecum; dd, deferent duct; ps, penial sheath; rm, retractor muscle.