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Figs 49–53 in Comparative morphology of Dorsanum miran and Bullia granulosa from Morocco (Mollusca: Caenogastropoda: Nassariidae)

Figs 49–53. Bullia granulosa foregut anatomy: (49) buccal mass, right view, odontophore partially removed and deflected to the right, buccal cavity and oesophagus partially sectioned longitudinally, topology of transverse muscles also shown; (50) odontophore, ventral view, superficial layer of membrane and muscles removed and shown partially deflected to the right, radula still in situ; (51) region of mid-oesophagus sectioned longitudinally to show inner surface; (52) odontophore, dorsal view, outer layer of membrane and muscles removed, cartilages also deflected, some muscles on right side with portions artificially sectioned; (53) odontophore cartilages and some adjacent portions of intrinsic muscles, dorsal view. Scale bars = 1 mm.

Figs 43–48 in Comparative morphology of Dorsanum miran and Bullia granulosa from Morocco (Mollusca: Caenogastropoda: Nassariidae)

Figs 43–48. Bullia granulosa anatomy: (43) head-foot, female, right view; (44) head and haemocoel, ventral view, foot and columellar muscles removed; (45) pallial cavity roof, transverse section in mid-level of osphradium; (46) same, whole ventral view, transverse section in pallial oviduct artificially done, adjacent portion of visceral structures also shown; (47) foregut, ventral view, topology of some adjacent structures shown; (48) same, right view, proboscis and odontophore extracted. Scale bars = 2 mm.

Figs 40–42 in Comparative morphology of Dorsanum miran and Bullia granulosa from Morocco (Mollusca: Caenogastropoda: Nassariidae)

Figs 40–42. Dorsanum miran anatomy: (40) last whorl of visceral mass, ventral view, stomach seen in situ, renal region also shown; (41) nerve ring, dorsal view, oesophageal passage indicated by arrows; (42) same, ventral view. Scale bars = 1 mm.

Figs 35–39 in Comparative morphology of Dorsanum miran and Bullia granulosa from Morocco (Mollusca: Caenogastropoda: Nassariidae)

Figs 35–39. Dorsanum miran anatomy: (35) odontophore cartilages and adjacent part of intrinsic muscles, showing their origins, dorsal view; (36) right side of pallial cavity, male, ventral view; (37) penis in situ, deflected upwards, dorsal view, inner structures revealed by artificial translucence; (38) head and uncoiled penis, dorsal view, adjacent region of penis base also shown; (39) penis, dorsal view, detail of its apical region, inner structures revealed by artificial translucence. Scale bars = 1 mm.

Figs 32–34 in Comparative morphology of Dorsanum miran and Bullia granulosa from Morocco (Mollusca: Caenogastropoda: Nassariidae)

Figs 32–34. Dorsanum miran odontophore: (32) whole dorsal view, superficial membranes removed; (33) same, ventral view; (34) dorsal muscles mc and ma sectioned longitudinally and deflected, some narrow muscles also deflected and some sectioned transversely. Scale bars = 1 mm.

Figs 27–31 in Comparative morphology of Dorsanum miran and Bullia granulosa from Morocco (Mollusca: Caenogastropoda: Nassariidae)

Figs 27–31. Dorsanum miran anatomy: (27) detail of anterior end of pallial oviduct, ventral view, partially sectioned longitudinally; (28) pallial cavity roof and adjacent region of visceral mass, inner ventral view, ventral wall of pericardium removed, transverse section of pallial oviduct also shown; (29) foregut, right view, topology of nerve ring also shown; (30) head and haemocoel, ventral view, foot removed, proboscis opened longitudinally; (31) buccal mass, detail of its anterior end opened longitudinally, odontophore partially deflected. Scale bars = 2 mm.

Figs 21–26 in Comparative morphology of Dorsanum miran and Bullia granulosa from Morocco (Mollusca: Caenogastropoda: Nassariidae)

Figs 21–26. Dorsanum miran anatomy: (21) head-foot, female, anterior view, specimen with extended proboscis; (22) same, foot sole, ventral view; (23) same, longitudinal section through median line; (24) same, dorsal whole view; (25) head, ventral view, foot extracted; (26) pallial cavity roof, transverse section at mid-level of osphradium. Scale bars = 2 mm.

Figs 1–20 in Comparative morphology of Dorsanum miran and Bullia granulosa from Morocco (Mollusca: Caenogastropoda: Nassariidae)

Figs 1–20. SEM of shells, opercula and radulae: (1–8) Dorsanum miran; (1) shell, apertural view (length 22.9 mm); (2) right view; (3) dorsal view; (4) apical, slightly apertural view, broken shell showing columellar fold; (5) apertural view, detail of last whorl; (6) outer SEM view of operculum (4.0 × 3.0 mm); (7) operculum of shell in Fig. 1, inner (upper) and outer views (3.8 × 3.5 mm); (8) detail of extracted protoconch, profile; (9–15) Bullia granulosa; (9) shell, apertural view (length 29.4 mm); (10) right view; (11) dorsal view; (12) apertural view, detail of last whorl; (13) detail of shell apex in profile; (14) operculum, outer view (4.7 × 3.4 mm); (15) same, inner view; (16–17) D. miran radula, scale bar = 100 µm; (18–20) B. granulosa radula; (18) wide view, scale bar = 100 µm; (19) detail of lateral teeth, scale bar = 50 µm; (20) detail of rachidian teeth, scale bar = 50 µm.

Fig. 11 in New species from a 'lost world': Sulawesidrobia (Caenogastropoda, Tateidae) from ancient Lake Matano, Sulawesi, Indonesia

Fig. 11. Principal component analysis based on five shell measurements. Numbers are ZMB catalogue numbers.

Fig. 7. Distal female genitalia. A–B in New species from a 'lost world': Sulawesidrobia (Caenogastropoda, Tateidae) from ancient Lake Matano, Sulawesi, Indonesia

Fig. 7. Distal female genitalia. A–B. Sulawesidrobia wilsoni sp. nov. C–D. S. carsonae sp. nov. E–F. S. ehrlichi sp. nov. G–H. S. crutzeni sp. nov. I–J. S. dinersteini sp. nov. Abbreviations: aa = anterior albumen gland; ac = anterior capsule gland; bc = bursa copulatrix; bd = bursal duct; od = oviduct; pa = posterior albumen gland; pc = posterior capsule gland; vc = ventral channel.

Fig. 5 in New species from a 'lost world': Sulawesidrobia (Caenogastropoda, Tateidae) from ancient Lake Matano, Sulawesi, Indonesia

Fig. 5. SEM micrographs of cephalic tentacles. A. Sulawesidrobia wilsoni sp. nov. (ZMB 191842). B. S. carsonae sp. nov. (ZMB 107079). C. S. crutzeni sp. nov. (ZMB 191838). D. S. dinersteini sp. nov. (ZMB 107092). Arrows indicate field of cilia. Scale bars: A–B, D = 20 µm; C = 50 µm.

Fig. 4 in New species from a 'lost world': Sulawesidrobia (Caenogastropoda, Tateidae) from ancient Lake Matano, Sulawesi, Indonesia

Fig. 4. SEM micrographs of protoconchs. A–B. Sulawesidrobia carsonae sp. nov. (MZB Gst. 12119). C–D. S. ehrlichi sp. nov. (MZB Gst. 12121). Scale bars: A, C = 50 µm; B, D = 20 µm.

Fig. 1 in New species from a 'lost world': Sulawesidrobia (Caenogastropoda, Tateidae) from ancient Lake Matano, Sulawesi, Indonesia

Fig. 1. Map of Lake Matano with the sampling sites of Sulawesidrobia Ponder & Haase, 2005. Black symbols for new species, white for known ones. The red frame on the map of Sulawesi in the left-bottom insert shows the location of Lake Matano on the island. Black lines indicate roads. When several species occur at one locality, the central black dot marks the actual sampling site.

Fig. 8. Penis. A–B in New species from a 'lost world': Sulawesidrobia (Caenogastropoda, Tateidae) from ancient Lake Matano, Sulawesi, Indonesia

Fig. 8. Penis. A–B. Sulawesidrobia wilsoni sp. nov. (ZMB 191842). C–D. S. carsonae sp. nov. (ZMB 107079). E–F. S. ehrlichi sp. nov. (ZMB 107095). G. S. crutzeni sp. nov. (ZMB 191838). H. S. dinersteini sp. nov. (ZMB 107092). Arrow indicates lobe in H. Scale bars: A–F, H = 50 µm; G = 100 µm.

Fig. 6. Radula. A–C in New species from a 'lost world': Sulawesidrobia (Caenogastropoda, Tateidae) from ancient Lake Matano, Sulawesi, Indonesia

Fig. 6. Radula. A–C. Sulawesidrobia wilsoni sp. nov. D. S. carsonae sp. nov. E. S. ehrlichi sp. nov. F. S. crutzeni sp. nov. G–H. S. dinersteini sp. nov. Note different shapes of denticles on central and lateral teeth across species. Arrows indicate enlarged denticle on marginal tooth 1 in S. wilsoni sp. nov. Scale bars: A, C–G = 10 µm; B, H = 5 µm.

Fig. 10 in New species from a 'lost world': Sulawesidrobia (Caenogastropoda, Tateidae) from ancient Lake Matano, Sulawesi, Indonesia

Fig. 10. Maximum likelihood phylogenetic analysis. Outgroup pruned from tree. Taxa represented by "species name_ZMB catalogue number and specimen_abbreviation of lake". Numbers at nodes are bootstrap support values> 50. Scale in substitutions per site.

Fig. 3 in New species from a 'lost world': Sulawesidrobia (Caenogastropoda, Tateidae) from ancient Lake Matano, Sulawesi, Indonesia

Fig. 3. SEM micrographs of paratypes, all from type localities. A–B. Sulawesidrobia wilsoni sp. nov. (MZB Gst. 12117). C–D. S. carsonae sp. nov. (MZB Gst. 12119). E–F. S. ehrlichi sp. nov. (MZB Gst. 12121). G–H. S. crutzeni sp. nov. (MZB Gst. 12123). I–J. S. dinersteini sp. nov. (MZB Gst. 12125).

Fig. 2. Holotypes. A in New species from a 'lost world': Sulawesidrobia (Caenogastropoda, Tateidae) from ancient Lake Matano, Sulawesi, Indonesia

Fig. 2. Holotypes. A. Sulawesidrobia wilsoni sp. nov. (MZB Gst. 12116). B. S. carsonae sp. nov. (MZB Gst. 12118). C. S. ehrlichi sp. nov. (MZB Gst. 12120). D. S. crutzeni sp. nov. (MZB Gst. 12122). E. S. dinersteini sp. nov. (MZB Gst. 12124). Scale bar = 1 mm.

Fig. 9 in New species from a 'lost world': Sulawesidrobia (Caenogastropoda, Tateidae) from ancient Lake Matano, Sulawesi, Indonesia

Fig. 9. Bayesian phylogenetic analysis. Outgroup pruned from tree. Taxa represented by "species name_ZMB catalogue number and specimen_abbreviation of lake". Numbers at nodes are posterior probabilities> 0.50. Scale in substitutions per site.

Fig. 32 in Morphology and taxonomic assessment of eight genetic clades of Mercuria Boeters, 1971 (Caenogastropoda, Hydrobiidae), with the description of five new species

Fig. 32. Comparison among original descriptions of Mercuria emiliana (Paladilhe, 1869), M. balearica (Frauenfeld, 1865), M. maceana (Paladilhe, 1869) and Amnicola lanceolata Paladilhe, 1869 taken from Paladilhe (1869). Red lines remark the colour of the shells and operculum according to the author's criterion.