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Figure 13 from: Dayrat B, Goulding TC, Khalil M, Apte D, Tan SH (2019) A new species and new records of Onchidium slugs (Gastropoda, Euthyneura, Pulmonata, Onchidiidae) in South-East Asia. ZooKeys 892: 27-57. https://doi.org/10.3897/zookeys.892.39524
Figure 13 Types of intestinal loops in the genus Onchidium. Small black arrows indicate the direction of the intestinal transport, which starts in the blue loop. A blue loop turns clockwise. A yellow loop turns counterclockwise. A green loop is transitional in between a blue loop and a yellow loop. The orientation of the transitional (green) loop is indicated with a red arrow. Details on individuals of O. reevesii, O. typhae, O. stuxbergi can be found in Dayrat et al. (2016)AO. typhae, type II with a transitional loop at 9 o'clock, [1007] BO. typhae, type II with a transitional loop at 8 o'clock (from Dayrat et al. 2016: fig. 5E) CO. stuxbergi, type III with a transitional loop at 3 o'clock (from Dayrat et al. 2016: fig. 11B) DO. stuxbergi, type III with a transitional loop at 1 o'clock, (PNM 041200) EO. stuxbergi, type III with a transitional loop at 8 o'clock, [5605] FO. reevesii, holotype, type III with a transitional loop at 2 o'clock (from Dayrat et al. 2016: fig. 14A) GO. melakense, type III with a transitional loop at 1 o'clock, holotype [5979] (USMMC 00075) HO. melakense, type III with a transitional loop at 5 o'clock, [5978] (USMMC 00076). Scale bars: 3 mm (A, H), 5 mm (B, C, E–G), 4 mm (D).
Figure 12 from: Dayrat B, Goulding TC, Khalil M, Apte D, Tan SH (2019) A new species and new records of Onchidium slugs (Gastropoda, Euthyneura, Pulmonata, Onchidiidae) in South-East Asia. ZooKeys 892: 27-57. https://doi.org/10.3897/zookeys.892.39524
Figure 12 Name-bearing types of Onchidium multinotatum and Onchidium pallidipesA digestive system, type III with a transitional loop at 2 o'clock (based on marks left by the intestine in the digestive gland), dorsal view, holotype, O. multinotatum (ZMB/Moll 240117) B digestive system, type III with a transitional loop at 2 o'clock, dorsal view, lectotype, O. pallidipes (NMNH 127328) C anterior, male, copulatory parts, lectotype, O. pallidipes (NMNH 127328). Abbreviations: ag accessory penial gland, dd deferent duct, ddg dorsal lobe of digestive gland, i intestine, pdg posterior lobe of the digestive gland, ps penial sheath, rg rectal gland, rm penial retractor muscle, st stomach, v vestibule. Scale bars: 3 mm (A, B), 2 mm (C).
Figure 11 from: Dayrat B, Goulding TC, Khalil M, Apte D, Tan SH (2019) A new species and new records of Onchidium slugs (Gastropoda, Euthyneura, Pulmonata, Onchidiidae) in South-East Asia. ZooKeys 892: 27-57. https://doi.org/10.3897/zookeys.892.39524
Figure 11 Male, anterior, copulatory parts, Onchidium melakenseA, C Sumatra, [1723] (UMIZ 00001) B, E, F Peninsular Malaysia, holotype [5979] (USMMC 00075) D, G, H Peninsular Malaysia, holotype [5982] (USMMC 00076) A stalk and penial hooks B penial hook C penial hooks D flat disc at distal end of flagellum of penial accessory gland (the arrow indicates the hole through which the hollow spine protrudes) E hollow spine F hollow spine tip G hollow spine H hollow spine tip. Scale bars: 300 μm (A), 10 μm (B, C, F), 100 μm (D, G, H), 200 μm (E).
Figure 10 from: Dayrat B, Goulding TC, Khalil M, Apte D, Tan SH (2019) A new species and new records of Onchidium slugs (Gastropoda, Euthyneura, Pulmonata, Onchidiidae) in South-East Asia. ZooKeys 892: 27-57. https://doi.org/10.3897/zookeys.892.39524
Figure 10 Reproductive system, Onchidium melakenseA, B Peninsular Malaysia, holotype [5979] (USMMC 00075) C Sumatra, [1723] (UMIZ 00001) A posterior, hermaphroditic, reproductive parts B anterior, male, copulatory parts C anterior, male, copulatory parts. Abbreviations: ag accessory penial gland, arm anterior penial retractor muscle, dd deferent duct, fgm female gland mass, hg hermaphroditic gland, ov oviduct, ps penial sheath, rm penial retractor muscle, rs receptaculum seminis, sp spermatheca, v vestibule. Scale bars: 4 mm (A), 5 mm (B), 2 mm (C).
Figure 5 from: Dayrat B, Goulding TC, Khalil M, Apte D, Tan SH (2019) A new species and new records of Onchidium slugs (Gastropoda, Euthyneura, Pulmonata, Onchidiidae) in South-East Asia. ZooKeys 892: 27-57. https://doi.org/10.3897/zookeys.892.39524
Figure 5 Habitats, Onchidium melakenseA type locality, Peninsular Malaysia, Kuala Sepatang, old forest with tall Rhizophora trees, high in the tidal zone (ferns), in educational mangrove preserve (st 258) B Sumatra, Pulau Sinaboi, mangrove forest with medium Rhizophora and Avicennia trees, dead logs, hard mud (st 73) C old log with crevices which O. melakense typically favors (st 73) D mangrove pit viper (arrow) resting by a log (st 73).
Figure 9 from: Dayrat B, Goulding TC, Khalil M, Apte D, Tan SH (2019) A new species and new records of Onchidium slugs (Gastropoda, Euthyneura, Pulmonata, Onchidiidae) in South-East Asia. ZooKeys 892: 27-57. https://doi.org/10.3897/zookeys.892.39524
Figure 9 Radula, Onchidium melakense, Sumatra (UMIZ 00001) A left, half rows, [1720] B rachidian and innermost lateral teeth, [1720] C lateral teeth, [1723] D outermost, lateral teeth, [1723]. Abbreviations: 1llt first left lateral tooth, 1rlt first right lateral tooth, 2llt second left lateral tooth, 2rlt second right lateral tooth, hlt hook of lateral tooth, lc lateral cusp of rachidian tooth, mc median cusp of rachidian tooth, rt rachidian tooth. Scale bars: 200 μm (A), 10 μm (B), 60 μm (C), 20 μm (D).
Figure 1 from: Qiao P, Qin W, Ma H, Lin G, Zhang T (2019) Lithobius (Ezembius) hualongensis sp. nov. and Lithobius (Ezembius) sui sp. nov. (Lithobiomorpha, Lithobiidae), two new species of centipede from northwest China. ZooKeys 892: 77-92. https://doi.org/10.3897/zookeys.892.39033
Figure 1 Lithobius (Ezembius) hualongensis sp. nov. A, C, D holotype, male: A habitus, dorsal view C forcipular coxosternite, ventral view D male posterior segments and gonopods, ventral view B, E, F paratype, female: B ocelli and Tömösváry's organ (To), lateral view E female gonopods, dorsal lateral view F female posterior segments and gonopods, ventral view. Scale bars: 1 mm (A, C); 500 μm (D, F); 250 μm (B, E).
Figure 7 from: Anaya C, Schmidt-Rhaesa A, Hanelt B, Bolek MG (2019) A new species of Gordius (Phylum Nematomorpha) from terrestrial habitats in North America. ZooKeys 892: 59-75. https://doi.org/10.3897/zookeys.892.38868
Figure 7 Eggs of aquatic and terrestrial hairworms, light photomicrographs A egg of Gordius difficilis stained with Nile Blue; note the thin inner membrane (arrow) surrounding the larva B egg of Neochordodes occidentalis showing a thin inner membrane (arrow) surrounding the larva C egg of Paragordius obamai showing a developing larva surrounded by a thin inner membrane (arrow) D egg of Gordius terrestris sp. nov. showing a distinct thick inner membrane (arrow) surrounding the larva. Scale bars: 6 µm (A); 8 µm (B, C); 11 µm (D).
Figures 23-28 from: Valdez-Mondragón A, Navarro-Rodríguez CI, Solís-Catalán KP, Cortez-Roldán MR, Juárez-Sánchez AR (2019) Under an integrative taxonomic approach: the description of a new species of the genus Loxosceles (Araneae, Sicariidae) from Mexico City. ZooKeys 892: 93-133. https://doi.org/10.3897/zookeys.892.39558
Figures 23-28 Loxosceles tenochtitlan sp. nov. Male Holotype 23–25 left palp, prolateral, dorsal and retrolateral views respectively 26–28 detail of the bulb and embolus, dorsal, retrolateral and apical views, respectively. Scale bars: 0.5 mm (23–25), 0.2 mm (26–28).
Figure 5 from: Anaya C, Schmidt-Rhaesa A, Hanelt B, Bolek MG (2019) A new species of Gordius (Phylum Nematomorpha) from terrestrial habitats in North America. ZooKeys 892: 59-75. https://doi.org/10.3897/zookeys.892.38868
Figure 5 Gordius terrestris sp. nov., larvae, light (A, B) and SEM (C–F) photomicrographs A live larva, showing the preseptum (PRE), postseptum (POS) and pseudointestine (PI) B recently hatched larvae showing everted proboscis (arrow) C larva note the superficial annulations (small arrows) and a single terminal spine located (large arrow) on the posterior region of the postseptum (POS) D preseptum, showing the arrangement of three sets of cuticular hooks, including outer hooks (OH), middle hooks (MH) and inner hooks (IH); and fused ventral outer hooks (VOH) E anterior end with the eversible proboscis (P); note the distinct spines on the distal end of the left lateral side (LLS), right lateral side (RLS) and dorsal side (DS) in respect to the ventral outer hooks (VOH) F partially everted proboscis (P) showing pairs of small spines (numbers) and a larger terminal spine on the distal end of the left lateral (LLS), right lateral (RLS) and dorsal sides (DS). Scale bars: 12 µm (A); 13 µm (B); 8 µm (C); 2.5 µm (D); 6 µm (E) 0.8 µm (F).
Figure 6 from: Anaya C, Schmidt-Rhaesa A, Hanelt B, Bolek MG (2019) A new species of Gordius (Phylum Nematomorpha) from terrestrial habitats in North America. ZooKeys 892: 59-75. https://doi.org/10.3897/zookeys.892.38868
Figure 6 Gordius terrestris sp. nov., cysts, light photomicrographs A–B fully formed cysts in experimentally infected Physa acuta snails; note the folded larva surrounded by a clear cyst wall of unknown composition with a distinct inner layer (IL) and outer layer (OL) C remaining cyst wall after the folded larvae was extruded under coverslip pressure. Note the opening where the larvae emerged (arrow) D–F different focal planes showing the distinct larvae folding pattern; note the location of the terminal spine (arrow) in F and that the larva folds twice within the fully formed cyst. Scale bars: 20 µm (A–F).
Figure 8 from: Dayrat B, Goulding TC, Khalil M, Apte D, Tan SH (2019) A new species and new records of Onchidium slugs (Gastropoda, Euthyneura, Pulmonata, Onchidiidae) in South-East Asia. ZooKeys 892: 27-57. https://doi.org/10.3897/zookeys.892.39524
Figure 8 Radula, Onchidium melakense, Peninsular Malaysia, holotype [5979] (USMMC 00075) A rachidian and innermost lateral teeth B right lateral teeth C right lateral teeth. Abbreviations: 1llt first left lateral tooth, 1rlt first right lateral tooth, bls basal lateral spine, hlt hook of lateral tooth, lc lateral cusp of rachidian tooth, mc median cusp of rachidian tooth, rt rachidian tooth. Scale bars: 10 μm (A,) 20 μm (B, C).
Figure 1 from: Dayrat B, Goulding TC, Khalil M, Apte D, Tan SH (2019) A new species and new records of Onchidium slugs (Gastropoda, Euthyneura, Pulmonata, Onchidiidae) in South-East Asia. ZooKeys 892: 27-57. https://doi.org/10.3897/zookeys.892.39524
Figure 1 Phylogenetic tree showing the relationships between Onchidium individuals based on mitochondrial COI and 16S DNA sequences. Numbers by the nodes are the bootstrap values (Maximum Likelihood analysis) and the posterior probabilities (Bayesian analysis); only significant numbers (> 65% and > 0.9) are indicated. All other sequences serve as outgroups. Information on specimens can be found in the lists of material examined and Table 1. The colors used for each Onchidium species are the same as those used in Figs 2–4.
Figure 4 from: Dayrat B, Goulding TC, Khalil M, Apte D, Tan SH (2019) A new species and new records of Onchidium slugs (Gastropoda, Euthyneura, Pulmonata, Onchidiidae) in South-East Asia. ZooKeys 892: 27-57. https://doi.org/10.3897/zookeys.892.39524
Figure 4 Geographic distribution of the four known Onchidium species. Dots correspond to known records. The colors used for each Onchidium species are the same as those used in Figs 1–3.
Figure 4 from: Anaya C, Schmidt-Rhaesa A, Hanelt B, Bolek MG (2019) A new species of Gordius (Phylum Nematomorpha) from terrestrial habitats in North America. ZooKeys 892: 59-75. https://doi.org/10.3897/zookeys.892.38868
Figure 4 Gordius terrestris sp. nov., eggs and egg strings, light photomicrographs A newly deposited egg strings B egg string segment showing tightly aggregated undeveloped eggs; note the eggshell (arrow) C segment of an egg string showing developing larvae within eggs D eggs with fully developed larvae; note the distinct space between the eggshell and the thick inner membrane. Scale bars: 4 mm (A); 40 µm (B); 25 µm (C); 20 µm (D).
Figure 1 from: Anaya C, Schmidt-Rhaesa A, Hanelt B, Bolek MG (2019) A new species of Gordius (Phylum Nematomorpha) from terrestrial habitats in North America. ZooKeys 892: 59-75. https://doi.org/10.3897/zookeys.892.38868
Figure 1 Gordius terrestris sp. nov., adult male from Stillwater, Oklahoma, light (A, D, G) and SEM (B, C, E, F, H, I) photomicrographs A anterior body region showing typical color pattern, showing the distinct calotte (arrow) and dark ring B anterior end, dorsal view C areole pattern on the anterior body region. Note the weakly developed areoles (circle) and the presence of bristles (arrows) D midbody region, dorsal view, showing distinct white spots and medial line E Midbody region, dorsal view, showing typical cuticular pattern F areole pattern on the midbody region; note the weakly developed polygonal shaped areoles (circle) G posterior body region, ventral view, showing distinct coloration; note the darkly pigmented postcloacal crescent and dark pigmentation on inner sides of the tale lobes (TL) H ventral view of the posterior region, showing the cloaca (Cl) and postcloacal crescent (PCC) I areole pattern on the posterior body region; note the weakly developed polygonal shaped areoles (circle) and the bristles (arrows). Scale bars: 210 µm (A); 130 µm (B); 18 µm (C); 220 µm (D, G); 290 µm (E); 10 µm (F); 175 µm (H); 20 µm (I).
Figure 3 from: Anaya C, Schmidt-Rhaesa A, Hanelt B, Bolek MG (2019) A new species of Gordius (Phylum Nematomorpha) from terrestrial habitats in North America. ZooKeys 892: 59-75. https://doi.org/10.3897/zookeys.892.38868
Figure 3 Gordius terrestris sp. nov., adult females from Stillwater, Oklahoma, light (A, D, G) and SEM (B, C, E, F, H, I) photomicrographs A anterior body region showing typical color pattern, showing the distinct calotte (arrow) followed by a dark ring B anterior end, dorsal view C areole pattern on the anterior body region; note the weakly developed polygonal shaped areoles (circle) D midbody region, lateral view, showing typical color pattern E midbody region, dorsal view showing typical cuticular pattern F midbody region, dorsal view, showing finer details of the cuticle; note the branching bristles (arrow) G posterior body region, ventral view, showing typical coloration H posterior body region, ventral view showing the location of the cloaca (CL) I posterior body region, areole pattern on the posterior body region; note the weakly developed polygonal shaped areoles (circle). Scale bars: 160 µm (A); 150 µm (B); 10 µm (C); 440 µm (D, G); 330 µm (E); 15 µm (F, I); 190 µm (H).
Figure 3 from: Scheffrahn RH (2019) Rhynchotermes armatus, a new mandibulate nasute termite (Isoptera, Termitidae, Syntermitinae) from Colombia. ZooKeys 892: 135-142. https://doi.org/10.3897/zookeys.892.38743
Figure 3 A Ventral view of soldiers of Rhynchotermes perarmatus from Panama (left PN153) and R. armatus sp. nov. from Colombia (right, CO881) B same as A, but lateral view CR. perarmatus worker and D worker enteric valve armature (PN153).
Figure 7 from: Dayrat B, Goulding TC, Khalil M, Apte D, Tan SH (2019) A new species and new records of Onchidium slugs (Gastropoda, Euthyneura, Pulmonata, Onchidiidae) in South-East Asia. ZooKeys 892: 27-57. https://doi.org/10.3897/zookeys.892.39524
Figure 7 External morphology and digestive system, Onchidium melakense, Peninsular Malaysia A–C holotype [5979] (USMMC 00075) D [5978] (USMMC 00076) A dorsal, anterior view B posterior, ventral view (dotted lines indicate where the foot was cut to show the anus) C digestive system, dorsal view D digestive system, dorsal view. Abbreviations: a anus, ddg dorsal lobe of digestive gland, f foot (pedal sole), fo female opening, h hyponotum, i intestine, mo male opening, ol oral lobe, ot ocular tentacle, p pneumostome, pdg posterior lobe of the digestive gland, ppg peripodial groove, rg rectal gland, st stomach, tp transversal protuberance (on oral lobe). Scale bars: 5 mm (A–C), 3 mm (D).
Figure 1 from: Scheffrahn RH (2019) Rhynchotermes armatus, a new mandibulate nasute termite (Isoptera, Termitidae, Syntermitinae) from Colombia. ZooKeys 892: 135-142. https://doi.org/10.3897/zookeys.892.38743
Figure 1 Rhynchotermes armatus sp. nov. soldier A dorsal B lateral C ventral and D anterior views (inset is tip of left apical tooth).
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
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