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FIGURE 13. Trimma caudomaculatum, 28.1 in Trimma tevegae and T. caudomaculatum revisited and redescribed (Acanthopterygii, Gobiidae), with descriptions of three new similar species from the western Pacific

FIGURE 13. Trimma caudomaculatum, 28.1 mm SL, ROM 839CS, jaw teeth. A: ventromedial view of right upper jaw; B: dorsomedial view of right lower jaw. Specimen stained with alizarin and alcian blue. Photos by R. Winterbottom.

FIGURE 28 in Trimma tevegae and T. caudomaculatum revisited and redescribed (Acanthopterygii, Gobiidae), with descriptions of three new similar species from the western Pacific

FIGURE 28. Trimma hollemani, patterns of head papillae, based on the holotype (25.5 mm SL female, ROM 84878, Keruo Id, Raja Ampat). A: left lateral view; B: dorsal view. Specimen stained with cyanine blue. Photos by R. Winterbottom.

FIGURE 11 in Trimma tevegae and T. caudomaculatum revisited and redescribed (Acanthopterygii, Gobiidae), with descriptions of three new similar species from the western Pacific

FIGURE 11. Map of the distributions of the Trimma tevegae subgroup. Inverted triangle = T. burridgeae; square = T. caudomaculatum; triangle = T. corerefum; diamond = T. hollemani; circle = T. tevegae. Pink fill = tissue specimens available; blue fill = formalin-fixed specimens only; green fill = literature/photographic records only.

FIGURE 7. Trimma tevegae, 18.6 in Trimma tevegae and T. caudomaculatum revisited and redescribed (Acanthopterygii, Gobiidae), with descriptions of three new similar species from the western Pacific

FIGURE 7. Trimma tevegae, 18.6 mm SL male, ROM 92285, Rabaul, New Britain. Left lateral view of body to show pigmentation. Photo by R. Winterbottom.

FIGURE 6 in Trimma tevegae and T. caudomaculatum revisited and redescribed (Acanthopterygii, Gobiidae), with descriptions of three new similar species from the western Pacific

FIGURE 6. Trimma tevegae, left lateral view of freshly collected specimens from Rabaul, New Britain. A: 16.0 mm SL female, ROM 92139 (T013180). B: 16.8 mm SL male, ROM 92091. C: 19.2 mm SL female, ROM 92139. D: 19.8 mm SL male, ROM 92112 (T013172). Photos by R. Winterbottom.

FIGURE 5 in Trimma tevegae and T. caudomaculatum revisited and redescribed (Acanthopterygii, Gobiidae), with descriptions of three new similar species from the western Pacific

FIGURE 5. Trimma tevagae, live, Indonesia. A: Banda, ROM 98807. B: 18.6 mm SL, ROM T12746, Jailolo, Halmahera. C: uncollected specimen, Cendrawasih Bay. Photos by M.V. Erdmann.

FIGURE 4 in Trimma tevegae and T. caudomaculatum revisited and redescribed (Acanthopterygii, Gobiidae), with descriptions of three new similar species from the western Pacific

FIGURE 4. Trimma tevegae, image of head to show cephalic sensory papillae in A: lateral view, B: dorsal view, based primarily on a 19.1 mm SL male, ROM 85131, Raja Ampat, Indonesia. Some details added from additional specimens. Drawing traced from digital images by R. Winterbottom.

FIGURE 3. Trimma tevegae, 19.2 in Trimma tevegae and T. caudomaculatum revisited and redescribed (Acanthopterygii, Gobiidae), with descriptions of three new similar species from the western Pacific

FIGURE 3. Trimma tevegae, 19.2 mm SL male, ROM 92271, Rabaul, New Britain. Left lateral view of head to show cheek papillae, stained with cyanine blue. Photo by R. Winterbottom.

FIGURE 2 in Trimma tevegae and T. caudomaculatum revisited and redescribed (Acanthopterygii, Gobiidae), with descriptions of three new similar species from the western Pacific

FIGURE 2. Trimma tevegae, composite based mainly on an 18.6 mm SL male, ROM 92285, Rabaul, New Britain. Left lateral view of head to show cheek and opercular scales. Cheek scales: uppermost row = blue; middle row = pink; lowermost row = green. Opercular scales: supernumerary scale = red; uppermost row = gold; second row = light teal; third row = purple. Drawing traced from a digital image by R. Winterbottom, additional details added freehand.

FIGURE 1. Trimma tevegae, 18.2 in Trimma tevegae and T. caudomaculatum revisited and redescribed (Acanthopterygii, Gobiidae), with descriptions of three new similar species from the western Pacific

FIGURE 1. Trimma tevegae, 18.2 mm SL male, ROM 92177, Rabaul, New Britain. Dorsal view of head showing predorsal scales, anterior to left. Green = cycloid scales; yellow = ctenoid scales, purple ovals = posterior sensory papillae in row p. Drawing traced from a digital image by R. Winterbottom.

FIGURE 4. Limnodrilus profundicola. A–D in Limnodrilus sulphurensis n. sp., from a sulfur cave in Colorado, USA, with notes on the morphologically similar L. profundicola (Clitellata, Naididae, Tubificinae)

FIGURE 4. Limnodrilus profundicola. A–D. Atrium and penis sheath: A, from Lake Biwa, Japan; B, from Lake Michigan, USA; C, from Lake Peipsi, Estonia; D, from Lake Kuril'skoe, Kamchatka. E. Spermatheca, from Lake Peipsi, Estonia. F. Spermatheca, from Lake Michigan, USA. G. A ventral chaetal bundle in VI, from Pärnu River, Estonia. H. Three ventral chaetae in VIII, from Lake Michigan, USA. I. Ventral chaetae in VII, Pärnu River, Estonia. J. Ventral chaetae in IV, Lake Michigan. K. Head of penis sheath, Lake Michigan, USA.

FIGURE 3. Limnodrilus sulphurensis n in Limnodrilus sulphurensis n. sp., from a sulfur cave in Colorado, USA, with notes on the morphologically similar L. profundicola (Clitellata, Naididae, Tubificinae)

FIGURE 3. Limnodrilus sulphurensis n. sp. from Sulphur Cave. A. Dorsal and ventral chaetae from anterior segments, worm mounted in Canada balsam. B. Ventral chaetae in V, worm mounted in CMC-10. C. Ventral chaetae in VI, from the holotype. D. Dorsal chaetae in XLVII. E. Lateral view of segments V and VI, in a cleared whole mount, showing beginning of chloragogen in VI. F. Sagittal section from a posterior segment, showing dark chloragogen, a transverse blood vessel, and capillary vessels in epidermal layer. G, H. Sections through atria, showing junction with prostate gland. I. Penis sheaths, from a whole mount. J. Penis sheath, from the holotype. K. Ectal end of penis and sheath, from a sectioned, mature worm fixed in formalin. L. Ectal end of penis sheath, from a sectioned, nearly mature, unmated worm fixed in FAA. M. Spermatheca, from a transverse section. N. Spermatozeugma, from the holotype. O. Detail of spermathecal duct. Scale bars: 50 µm (A–D, F–H, K, L, N, O), 100 µm (E, I, J, M).

FIGURE 2. Limnodrilus sulphurensis n in Limnodrilus sulphurensis n. sp., from a sulfur cave in Colorado, USA, with notes on the morphologically similar L. profundicola (Clitellata, Naididae, Tubificinae)

FIGURE 2. Limnodrilus sulphurensis n. sp. from Sulphur Cave (A–D, F, G) and from Black Sulphur Springs (E), reproductive characters. A. Atrium and penis sheath of an unmated, nearly mature worm. B. Atrium and penis sheath from a mature, mated worm. C. Male duct from a mated worm. D, E. penis sheaths. F. Spermatozeugmata. G. Spermatheca.

FIGURE 1. Limnodrilus sulphurensis n in Limnodrilus sulphurensis n. sp., from a sulfur cave in Colorado, USA, with notes on the morphologically similar L. profundicola (Clitellata, Naididae, Tubificinae)

FIGURE 1. Limnodrilus sulphurensis n. sp. from Sulphur Cave, exterior and somatic characters. A. Anterior ends of two whole, unmounted worms. B. Ventral chaetal bundle in IV, from a mature worm (n=19, including 10 partially developed). C. Left to right: two ventral chaetae in V, one from XX, from a mature worm. D. Ventral chaetae (n=13, including 6 partially developed) in V, from a very small, immature worm (diameter 0.3 mm). E. Dorsal chaetae from a mature worm, two each from V, X, and XXX. F. Ventral view of blood vessels in a posterior segment, showing junction of capillary vessels with ventral blood vessel, lateral vessels and (laterally displaced) dorsal blood vessel. G. Lateral view of dorsal and ventral blood vessels, as in Figure 1F.

FIGURE 2 in Hemicycla (Adiverticula) diegoi (Gastropoda: Pulmonata: Helicidae), a new species from Tenerife, Canary Islands, with a phylogenetic analysis of conchologically similar species in the genus Hemicycla Swainson, 1840

FIGURE 2. Distribution of Hemicycla (Adiverticula) diegoi n. sp. (․: modern record) and Hemicycla (Adiverticula) mascaensis (●: modern records, Ο: (sub-)fossil record) on Tenerife, Canary Island, Spain. The map is based on the topographical map sheets in the Series L, scale 1:50000, Cartografía Militar de España for Tenerife, UTM (MGRS) coordinates, WGS-84 ellipsoid and datum, zone 28R, 100 x 100 km UTM-squares CS and DS with 5 km grid spacing. Symbols in the map correspond to1 x 1 km UTM-squares.

FIGURE 7 in Hemicycla (Adiverticula) diegoi (Gastropoda: Pulmonata: Helicidae), a new species from Tenerife, Canary Islands, with a phylogenetic analysis of conchologically similar species in the genus Hemicycla Swainson, 1840

FIGURE 7. Scatter plots of some linear shell measurements (see Fig. 1) that are frequently used to compare gastropod species. Black dots: Hemicycla (Adiverticula) diegoi n. sp.; gray dots: H. (A.) mascaensis.

FIGURE 1 in Hemicycla (Adiverticula) diegoi (Gastropoda: Pulmonata: Helicidae), a new species from Tenerife, Canary Islands, with a phylogenetic analysis of conchologically similar species in the genus Hemicycla Swainson, 1840

FIGURE 1. Shell and genital measurements for comparison of Hemicycla (Adiverticula) diegoi n. sp. (A–C) and Hemicycla (Adiverticula) mascaensis (D–E). A, B. Dorsal and lateral view of shell. Dmax = maximum diameter, Dmin = minimum diameter, SH = shell height, SpH = spire height, AH = aperture height, AB = aperture breadth, BWH = body whorl height. C, D. Aperture of shell. AWmax = maximum aperture width, AWmin = minimum aperture width, CW = callus width (C, for shell with open and D, for shell with covered umbilicus). E. Genital system. BC = length of bursa copulatrix, BCD = length of bursa copulatrix duct, DV = length of distal vagina, PV = length of proximal vagina, P = penis length, DEp = length of distal part of epiphallus (from the penis retractor muscle to the proximal end of the penis), PEp = length of proximal part of epiphallus (from the insertion point of the vas deferens to the penis retractor muscle), F = length of flagellum, Vsd = length of vas deferens, MG = length of mucus gland, DS = length of dart sac, SOv = length of spermoviduct, FOv = length of free oviduct, AlG = length of albumen gland.

FIGURE 4 in Hemicycla (Adiverticula) diegoi (Gastropoda: Pulmonata: Helicidae), a new species from Tenerife, Canary Islands, with a phylogenetic analysis of conchologically similar species in the genus Hemicycla Swainson, 1840

FIGURE 4. Hemicycla (Adiverticula) diegoi n. sp. A. living animal from the type locality (scale bar = 10 mm). B. Genital system (scale bar = 5 mm). C. Internal anatomy of the penis (scale bar = 1 mm) with proximal penial papilla (pp), distal penial papilla (dp), contact organ (co) and distal part of epiphallus (ep). D. Dart (scale bar = 1 mm). E. Mandible (scale bar = 1 mm). F–H. Radula teeth (scale bar = 10 μm): marginal teeth (F), outer lateral teeth (G), central and inner lateral teeth (H).

FIGURE 3 in Hemicycla (Adiverticula) diegoi (Gastropoda: Pulmonata: Helicidae), a new species from Tenerife, Canary Islands, with a phylogenetic analysis of conchologically similar species in the genus Hemicycla Swainson, 1840

FIGURE 3. Comparison of shells of Hemicycla (Adiverticula) diegoi n. sp. (holotype) (A–D) and Hemicycla (Adiverticula) mascaensis (E–H). A, E. Shell. B, F. Aperture. C, G. Last whorl sculpture. D, H. Protoconch. (A, E: scale bar = 10 mm; B, F: scale bar = 5mm; C, D, G, H: scale bar = 2.5 mm).

FIGURE 5 in Hemicycla (Adiverticula) diegoi (Gastropoda: Pulmonata: Helicidae), a new species from Tenerife, Canary Islands, with a phylogenetic analysis of conchologically similar species in the genus Hemicycla Swainson, 1840

FIGURE 5. Hemicycla (Adiverticula) mascaensis. A. Living animal from the type locality (scale bar = 10 mm). B. Genital system (scale bar = 5 mm). C. Internal anatomy of the penis (scale bar = 1 mm) with proximal penial papilla (pp), distal penial papilla (dp), contact organ (co) and distal part of epiphallus (ep). D. Dart (scale bar = 1 mm). E. Mandible (scale bar = 1mm). F–H. Radula teeth (scale bar = 10 μm): marginal teeth (F), outer lateral teeth (G), central and inner lateral teeth (H).