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Fig. 4 in Two new rapacious nematodes from intertidal sediments, Gammanema magnum sp. nov. and Synonchium caudatubatum sp. nov. (Nematoda, Selachinematidae)

Fig. 4. Gammanema magnum sp. nov., paratype, ♀. A–B. Head, showing the small multispiral amphideal fovea, the leaf-like inner (arrowhead) and outer (black arrow) labial setae, the transverse rows of punctuations, and the buccal cavity as drawn in Fig. 2. C. Anterior region, showing the cylindrical pharynx surrounded by numerous cells, with anterior end swelling but not forming a bulb. D. Large spermatheca with globular to oval sperm cells. E. Overview, showing the slender body and conical tail. F. The intestine contains a prey nematode, likely a member of Epacanthion Wieser, 1953 (white arrow). Scale bars: 50 μm.

Fig. 7 in Two new rapacious nematodes from intertidal sediments, Gammanema magnum sp. nov. and Synonchium caudatubatum sp. nov. (Nematoda, Selachinematidae)

Fig. 7. Synonchium caudatubatum sp. nov., paratypes, ♀♀. A–B. Head, showing the same structures as male holotype. C. Spicules (arrow) of prey nematodes left in the intestine. D. Tail, showing the caudal glands with spinneret and the bluntly rounded tail with a protuberant caudal duct. E. Overview, showing the slightly slender body shape and two opposed testes. Scale bars: A–D = 50 µm, E = 100 µm.

Fig. 5 in Two new rapacious nematodes from intertidal sediments, Gammanema magnum sp. nov. and Synonchium caudatubatum sp. nov. (Nematoda, Selachinematidae)

Fig. 5. Synonchium caudatubatum sp. nov., holotype, ♂ (A, C–F) and a paratype, ♀ (B). A. Overview, showing the slightly slender body shape, the broad anterior buccal cavity and the narrow posterior buccal cavity with three mandibles, the cylindrical pharynx with anterior end swelling, the two opposed testes with oval sperm cells, the almost straight spicules without gubernaculum, the caudal glands with spinneret, and the bluntly rounded tail with a protuberant caudal duct. B. Overview, showing same structures as male holotype except the two reflexed ovaries. C. Each mandible has a large tooth flanked by three small teeth to each side. D–E. Head, showing the papillate sensilla, transverse oval amphideal fovea, transverse rows of punctuations, lateral cuticle pores, the broad anterior buccal cavity and the narrow posterior buccal cavity with three mandibles. F. Tail, showing the almost straight spicules without gubernaculum, the three caudal glands with spinneret, and the bluntly rounded tail with protuberant caudal duct. Scale bars: A–B, D–F = 50 μm, C = 50 μm.

Fig. 6 in Two new rapacious nematodes from intertidal sediments, Gammanema magnum sp. nov. and Synonchium caudatubatum sp. nov. (Nematoda, Selachinematidae)

Fig. 6. Synonchium caudatubatum sp. nov. holotype, ♂ (A–C) and a paratype, ♂ (D). A–B. Head, showing the papillate sensilla, transverse oval amphideal fovea, transverse rows of punctuations, lateral cuticle pores, the broad anterior buccal cavity and narrow posterior buccal cavity with three mandibles each with seven teeth, and the swelling anterior end of pharynx. C. Tail, showing the almost straight spicules without gubernaculum, and the bluntly rounded tail with a protuberant caudal duct. D. Overview, showing the slightly slender body. Scale bars: A–C = 30 µm, D = 100 µm.

Fig. 3 in Two new rapacious nematodes from intertidal sediments, Gammanema magnum sp. nov. and Synonchium caudatubatum sp. nov. (Nematoda, Selachinematidae)

Fig. 3. Gammanema magnum sp. nov., holotype, ♂. A. Surface view of head, showing the large amphideal fovea, outer labial setae (arrowheads), the slender cephalic setae (white arrows), and the transverse rows of punctuations. B. Neck region, showing the leaf-like inner labial setae (black arrows), the broad anterior buccal cavity reinforced by cuticularized rhabdia, each with about six pointed denticles at each posterior end, the narrow and cylindrical posterior buccal cavity surrounded by six broad rhabdia. C. Overview, showing the slender body and conical tail. D. Globular to oval sperm cells. E. Two unequally long spicules. F. Posterior region, showing the opposed testes with globular to oval sperm, the caudal glands with spinneret, and the conical tail. Scale bars: A–B = 50 μm, C–F = 100 μm.

Fig. 1 in Two new rapacious nematodes from intertidal sediments, Gammanema magnum sp. nov. and Synonchium caudatubatum sp. nov. (Nematoda, Selachinematidae)

Fig. 1. Gammanema magnum sp. nov., holotype, ♂. A. Surface view of head, showing the very large amphideal fovea, six leaf-like outer labial setae, four slender cephalic and four slender cervical setae, and the transverse rows of punctuations. B. Inside view of head, showing the broad anterior buccal cavity reinforced by cuticularized rhabdia each with about six pointed denticles at the posterior end, the narrow and cylindrical posterior buccal cavity surrounded by six broad rhabdia, and the anterior pharynx swelling but not forming a bulb. C. Neck region, showing the pharynx surrounded by numerous cells, nerve ring, the large intestine cells filled of inclusions, and the irregular intestine lumen. D. Posterior region, showing the opposed testes with globular to oval sperm cells (arrowheads), the unequally long spicules, the caudal glands (arrows), and the short and conical tail. E. Two spicules. Scale bars: 50 μm.

Fig. 2 in Two new rapacious nematodes from intertidal sediments, Gammanema magnum sp. nov. and Synonchium caudatubatum sp. nov. (Nematoda, Selachinematidae)

Fig. 2. Gammanema magnum sp. nov., paratype, ♀. A. Overview, showing the slender body shape, the cylindrical pharynx with anterior swollen portion, the two reflexed ovaries, the caudal glands with spinneret, and the conical tail. B. Surface view of head, showing the very small multispiral amphideal fovea, leaf-like inner (arrowheads) and outer (arrows) labial setae, four slender cephalic and four slender cervical setae, and the transverse rows of punctuations. C. Inside view of head, showing similar features as the male holotype. D. Cuticle with transverse rows of punctuations. E. Vulva. Scale bars: A = 100 μm, B–E = 50 μm.

Supplementary data to A description of Pseudechiniscus xiai sp. nov., with a key to genus Pseudechiniscus in China

<p>XLS from Wang, Lizhi, Xue, Jing, Li, Xiaochen (2018): A description of Pseudechiniscus xiai sp. nov., with a key to genus Pseudechiniscus in China. Zootaxa 4388 (2): 255-264, DOI: https://doi.org/10.11646/zootaxa.4388.2.7</p>

Fig. 20 in Osteology and relationships of Libanopycnodus wenzi gen. et sp. nov. and Sigmapycnodus giganteus gen. et sp. nov. (Pycnodontiformes) from the Late Cretaceous of Lebanon

Fig. 20. Sigmapycnodus giganteus gen. et sp. nov., holotype, neural arches and spines 21–24 (CLC S-497b), showing the hypercomplex contact between the arcocentra.

Fig. 17 in Osteology and relationships of Libanopycnodus wenzi gen. et sp. nov. and Sigmapycnodus giganteus gen. et sp. nov. (Pycnodontiformes) from the Late Cretaceous of Lebanon

Fig. 17. Sigmapycnodus giganteus gen. et sp. nov., holotype, skull and pectoral girdle (CLC S-497a, b).

Fig. 19 in Osteology and relationships of Libanopycnodus wenzi gen. et sp. nov. and Sigmapycnodus giganteus gen. et sp. nov. (Pycnodontiformes) from the Late Cretaceous of Lebanon

Fig. 19. Sigmapycnodus giganteus gen. et sp. nov., holotype, hyoid bar and coronoid region (CLC S-497b).

Fig. 5 in Osteology and relationships of Libanopycnodus wenzi gen. et sp. nov. and Sigmapycnodus giganteus gen. et sp. nov. (Pycnodontiformes) from the Late Cretaceous of Lebanon

Fig. 5. Libanopycnodus wenzi gen. et sp. nov., holotype, snout, prearticulars and hyoid bar (CLC S-574). Scale bar: 2 mm

Fig. 7 in Osteology and relationships of Libanopycnodus wenzi gen. et sp. nov. and Sigmapycnodus giganteus gen. et sp. nov. (Pycnodontiformes) from the Late Cretaceous of Lebanon

Fig. 7. Libanopycnodus wenzi gen. et sp. nov., holotype, eighteenth neural arch and spine (CLC S-574).

Fig. 9 in Osteology and relationships of Libanopycnodus wenzi gen. et sp. nov. and Sigmapycnodus giganteus gen. et sp. nov. (Pycnodontiformes) from the Late Cretaceous of Lebanon

Fig. 9. Libanopycnodus wenzi gen. et sp. nov., holotype, caudal skeleton (CLC S-574). The arrows point to the two most external principal caudal rays.

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Fig. 1 in Alfaites romeo gen. et sp. nov., a new Hyolitha from the Cambrian of Skryje-Týřovice Basin (Czech Republic)

Fig. 1. Maps showing the location of fossil sites in the middle Cambrian Buchava Formation within the Skryje-Týřovice Basin, Central Bohemia. A. Map of Europe with the Czech Republic. B. Map of the Czech Republic showing distribution of Palaeozoic rocks of Barrandian area. C. Simplified sketch map of the Skryje-Týřovice Basin. D. Geological map showing distribution of middle Cambrian Buchava Formation and location of the Buchava, Hradiště and Biskoupky localities. E. Stratigraphic position of the Buchava, Hradiště and Biskoupky localities and range of Alfaites romeo gen. et sp. nov. Geology modified from Mašek et al. (1997) and Vorel et al. (2014); lithostratigraphy and biostratigraphy after Fatka et al. (2011) and Vokáč (2002). 1 = Biskoupky locality; 2 = Buchava locality; 3 = Hradiště locality.

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Fig. 2 in Alfaites romeo gen. et sp. nov., a new Hyolitha from the Cambrian of Skryje-Týřovice Basin (Czech Republic)

Fig. 2. Alfaites romeo gen. et sp. nov. A-B. Holotype (NM L46640). A. Outer mould of internal side of operculum. B. Detail of outer mould of internal side of operculum with marked cardinal teeth. C–I. Paratypes. C. Outer mould of internal side of operculum (NM L46642). D. Outer mould of external side of operculum (NM L46646). E. Outer mould of external side of operculum (NM L46641). F. Outer mould of apertural part of conch – lateral view (NM L46645). G. Inner mould of apertural part of conch – dorsal view (NM L46645). H. Subtrigonal cross-section of conch (NM L46643). I. Outer mould of dorsal side of conch with distinct asymmetrical ribs (NM L46644). Scale = 1 mm.

Fig. 3 in Campydoroides manautei gen. et sp. nov. from New Caledonia and a reappraisal of the suborder Campydorina (Nematoda)

Fig. 3. Campydoroides manautei Holovachov gen. et sp. nov., non-type female from New Zealand (SMNH-175283). A. Female pharyngeal region, median section. B. Female anterior end, surface view. C. Female reproductive system. D. Female tail. Scale bar: 20 µm.

Fig. 4 in Campydoroides manautei gen. et sp. nov. from New Caledonia and a reappraisal of the suborder Campydorina (Nematoda)

Fig. 4. Campydoroides manautei Holovachov gen. et sp. nov., non-type female from New Zealand (SMNH-175283). A. Anterior end, median section. B. Anterior end, surface view. C. Vulval region. D. Base of pharynx. Scale bar: 20 µm.

Fig. 2 in Campydoroides manautei gen. et sp. nov. from New Caledonia and a reappraisal of the suborder Campydorina (Nematoda)

Fig. 2. Campydoroides manautei Holovachov gen. et sp. nov. A–B. Paratype female (SMNH Type-9167). C–F. Holotype (MNHN-BN511). A. Female pharyngeal region, median section. B. Female anterior end, median section. C–D. Female anterior end, surface view. E. Female reproductive system. F. Female tail. Scale bar: 20 µm.

Fig. 1 in Campydoroides manautei gen. et sp. nov. from New Caledonia and a reappraisal of the suborder Campydorina (Nematoda)

Fig. 1. Map of New Caledonia showing approximate position of sampled locations (modified from a map file available from https://d-maps.com/carte.php?num_car=15257).