FIGURE 7. Shells, dorsal view. A. Helicarion cuvieri, AM C443929. B. Helicarion cuvieri, BMNH 197780 (S of Vitrina verrauxii). C. Helicarion mastersi, AM C101139 (H). D. Helicarion mastersi, AM C101138 (PRH of H. mastersi callidus). E. Mysticarion insuetus, AM C113776 (S). F. Mysticarion porrectus, AM C101136 (PRH). G. Mysticarion hyalina, BMNH 1983075 (H). H. Parmavitrina planilabris, AM C103630. I. Peloparion helenae, AM C101142 (H). J. Brevisentis jacksoniensis, BMNH not registered (S). K. Brevisentis jacksoniensis, AM C101143 (H of B. exclusus). L. Fastosarion superba, BMNH not registered (POS). Scale bars 3 mm (G, I–K), 5 mm (A–F, H), 10 mm (L). Photographs by M. Allan (D, I), H. Barlow (A, C, H), D. Beechey (E–F, K), W. Ponder (B, G, ...
FIGURE 16. Microsculptures of the protoconch (A–E) and teleoconch (F–I). SEM. A. Mysticarion porrect...
FIGURE 40. Radulae. SEM. A–C. Coneuplecta pampini, AM C438751. D–F. Coneuplecta calculosa, AM C37789...
FIGURE 14 Shell microsculpture. A–C. Fastosarion griseolus, MO55568 (A = protoconch, B = early teleo...
FIGURE 8. Shells, lateral view. A. Helicarion cuvieri, AM C443929. B. Helicarion cuvieri, BMNH 19778...
FIGURE 9. Shells, ventral view. A. Helicarion cuvieri, AM C443929. B. Helicarion cuvieri, BMNH 19778...
FIGURE 21. Shells, ventral view. A. Stanisicarion freycineti, AM C391188. B. Stanisicarion virens, B...
FIGURE 26. Shells, dorsal view. A. Westracystis lissus, BMNH 90.12.30.80–4 (S). B. Westracystis liss...
FIGURE 6. Live Helicarionidae. A–B. Helicarion mastersi, AM C399075. Whole animal (A); close-up of c...
FIGURE 28. Shells, ventral view. A. Westracystis lissus, BMNH90.12.30.80–4 (S). B. Westracystis liss...
FIGURE 20. Shells, lateral view. A. Stanisicarion freycineti, AM C391188. B. Stanisicarion virens, B...
FIGURE 19. Shells, dorsal view. A. Stanisicarion freycineti, AM C391188. B. Stanisicarion virens, BM...
FIGURE 5. External morphology of semislugs. A. Helicarion cuvieri, AM C424333 (Corinna, TAS). B. Mys...
FIGURE 7 Shells of Clade A species. A. Fastosarion superbus, MO77446. B. Fastosarion aquavitae, MO50...
FIGURE 17. Radulae. SEM. A–C. Fastosarion superba, AM C425248. D–F. Stanisicarion freycineti, AM C39...
FIGURE 15. Radulae. SEM. A–C Helicarion mastersi, AM C334204. D–F. Mysticarion porrectus, QMMO29298....
FIGURE 16. Microsculptures of the protoconch (A–E) and teleoconch (F–I). SEM. A. Mysticarion porrect...
FIGURE 40. Radulae. SEM. A–C. Coneuplecta pampini, AM C438751. D–F. Coneuplecta calculosa, AM C37789...
FIGURE 14 Shell microsculpture. A–C. Fastosarion griseolus, MO55568 (A = protoconch, B = early teleo...
FIGURE 8. Shells, lateral view. A. Helicarion cuvieri, AM C443929. B. Helicarion cuvieri, BMNH 19778...
FIGURE 9. Shells, ventral view. A. Helicarion cuvieri, AM C443929. B. Helicarion cuvieri, BMNH 19778...
FIGURE 21. Shells, ventral view. A. Stanisicarion freycineti, AM C391188. B. Stanisicarion virens, B...
FIGURE 26. Shells, dorsal view. A. Westracystis lissus, BMNH 90.12.30.80–4 (S). B. Westracystis liss...
FIGURE 6. Live Helicarionidae. A–B. Helicarion mastersi, AM C399075. Whole animal (A); close-up of c...
FIGURE 28. Shells, ventral view. A. Westracystis lissus, BMNH90.12.30.80–4 (S). B. Westracystis liss...
FIGURE 20. Shells, lateral view. A. Stanisicarion freycineti, AM C391188. B. Stanisicarion virens, B...
FIGURE 19. Shells, dorsal view. A. Stanisicarion freycineti, AM C391188. B. Stanisicarion virens, BM...
FIGURE 5. External morphology of semislugs. A. Helicarion cuvieri, AM C424333 (Corinna, TAS). B. Mys...
FIGURE 7 Shells of Clade A species. A. Fastosarion superbus, MO77446. B. Fastosarion aquavitae, MO50...
FIGURE 17. Radulae. SEM. A–C. Fastosarion superba, AM C425248. D–F. Stanisicarion freycineti, AM C39...
FIGURE 15. Radulae. SEM. A–C Helicarion mastersi, AM C334204. D–F. Mysticarion porrectus, QMMO29298....
FIGURE 16. Microsculptures of the protoconch (A–E) and teleoconch (F–I). SEM. A. Mysticarion porrect...
FIGURE 40. Radulae. SEM. A–C. Coneuplecta pampini, AM C438751. D–F. Coneuplecta calculosa, AM C37789...
FIGURE 14 Shell microsculpture. A–C. Fastosarion griseolus, MO55568 (A = protoconch, B = early teleo...