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Figs 1–2 in Macrobiotus polypiformis sp. nov., a new tardigrade (Macrobiotidae; hufelandi group) from the Ecuadorian Pacific coast, with remarks on the claw abnormalities in eutardigrades

Figs 1–2. Macrobiotus polypiformis sp. nov., holotype, habitus, dorso-ventral projection. 1. Seen in PCM. 2. Seen in DIC. Scale bars in μm.

FIGURE 65 b in A description of the new tardigrade Macrobiotus reinhardti (Eutardigrada: Macrobiotidae, harmsworthi group) with some remarks on the oral cavity armature within the genus Macrobiotus Schultze

FIGURE 65 b. The same SEM as 65 a but not coloured. Arrows indicate three bands of teeth (I – III) and the oral cavity fold (f). The star (*) indicates the most dorsal lamella.

FIGURE 65 a in A description of the new tardigrade Macrobiotus reinhardti (Eutardigrada: Macrobiotidae, harmsworthi group) with some remarks on the oral cavity armature within the genus Macrobiotus Schultze

FIGURE 65 a. Oral cavity armature of the hufelandi type (photomicrograph of the same specimen of Macrobiotus sp. as is shown on figs 55 a – 60 b). Colour codes for individual bands of teeth: I band = red; II band = yellow; III band = blue. Oral cavity ring fold = green. The star (*) indicates the most dorsal lamella. (SEM)

FIGURES 59 a – 64 a in A description of the new tardigrade Macrobiotus reinhardti (Eutardigrada: Macrobiotidae, harmsworthi group) with some remarks on the oral cavity armature within the genus Macrobiotus Schultze

FIGURES 59 a – 64 a. Oral cavity armature of the hufelandi type (series of photomicrographs of one specimen of Macrobiotus sp.). Colour codes for individual bands of teeth: I band = red; II band = yellow; III band = blue. Oral cavity ring fold = green. The star (*) indicates the most dorsal lamella. (SEM)

FIGURES 41 – 44 in A description of the new tardigrade Macrobiotus reinhardti (Eutardigrada: Macrobiotidae, harmsworthi group) with some remarks on the oral cavity armature within the genus Macrobiotus Schultze

FIGURES 41 – 44. Macrobiotus reinhardti sp. nov. – processes and surfaces of eggs; note arrow on fig. 42 indicates a pore in the basal portion of process, arrow on fig. 43 indicates wrinkled surface between processes and arrow on fig. 44 indicates smaller pore in the surface between processes. (SEM)

FIGURES 45 – 50 in A description of the new tardigrade Macrobiotus reinhardti (Eutardigrada: Macrobiotidae, harmsworthi group) with some remarks on the oral cavity armature within the genus Macrobiotus Schultze

FIGURES 45 – 50. Macrobiotus reinhardti sp. nov. – intentionally damaged egg; 45 – general view, 46 48 – the sequence of closer views of the internal structure of processes; 49 – single process; 50 – torn wall of process; arrows on figs 48 – 49 indicate pores in the internal wall of processes, arrows on fig. 50 indicate external and internal walls of process. (SEM)

FIGURES 18 – 19 in A description of the new tardigrade Macrobiotus reinhardti (Eutardigrada: Macrobiotidae, harmsworthi group) with some remarks on the oral cavity armature within the genus Macrobiotus Schultze

FIGURES 18 – 19. Macrobiotus reinhardti sp. nov. – hind legs; 18 – dorsal view, note fine granulation on the legs; 19 – ventral view, note larger lunules on the internal claws (paratypes). (SEM)

FIGURES 30 – 31 in A description of the new tardigrade Macrobiotus reinhardti (Eutardigrada: Macrobiotidae, harmsworthi group) with some remarks on the oral cavity armature within the genus Macrobiotus Schultze

FIGURES 30 – 31. Macrobiotus reinhardti sp. nov. – process on the circumference of egg; 30 – surface, 31 – middle section (DIC).

FIGURES 25 – 29 in A description of the new tardigrade Macrobiotus reinhardti (Eutardigrada: Macrobiotidae, harmsworthi group) with some remarks on the oral cavity armature within the genus Macrobiotus Schultze

FIGURES 25 – 29. Macrobiotus reinhardti sp. nov. 25 – 27 – surfaces of eggs; 28 – middle section of egg (note the embryo inside); 29 – the first instar hatching. (DIC)

FIGURES 8 – 16 in A description of the new tardigrade Macrobiotus reinhardti (Eutardigrada: Macrobiotidae, harmsworthi group) with some remarks on the oral cavity armature within the genus Macrobiotus Schultze

FIGURES 8 – 16. Macrobiotus reinhardti sp. nov. 8 11 – sequential sections of buccal apparatus (from ventral to dorsal view); 12 16 – sequential sections of the oral cavity (from ventral to dorsal view), arrows indicate bands of teeth (paratype). (DIC)

FIGURES 2 – 3 in A description of the new tardigrade Macrobiotus reinhardti (Eutardigrada: Macrobiotidae, harmsworthi group) with some remarks on the oral cavity armature within the genus Macrobiotus Schultze

FIGURES 2 – 3. Macrobiotus reinhardti sp. nov. – habitus; 2 – ventral view, 3 – middle section view (paratype). (DIC)

Fig. 21 in Integrative taxonomy supports two new species of Macrobiotus (Tardigrada: Eutardigrada: Macrobiotidae) allowing further discussion on the genus phylogeny

Fig. 21. Bayesian phylogenetic reconstruction of Superclade I of the family Macrobiotidae. Values at nodes are BI posterior probability supports, nodes with support <0.70 were collapsed whereas nodes with maximum support values (1.00) are not shown. Newly sequenced taxa are bolded and marked with red font. The scale bar represents substitutions per position.

Fig. 20 in Integrative taxonomy supports two new species of Macrobiotus (Tardigrada: Eutardigrada: Macrobiotidae) allowing further discussion on the genus phylogeny

Fig. 20. Macrobiotus mileri sp. nov., SEM images of eggs (ISEA PAS). A–B. Entire egg. C–F. Details of egg processes and the surface between them. Empty indented arrowheads indicate pores in center of terminal discs, filled flat arrowheads indicate small pores around bases of egg processes, filled indented arrowheads indicate thickenings around bases of egg processes. Scale bars in μm.

Fig. 19 in Integrative taxonomy supports two new species of Macrobiotus (Tardigrada: Eutardigrada: Macrobiotidae) allowing further discussion on the genus phylogeny

Fig. 19. Macrobiotus mileri sp. nov., PCM images of the eggs under ×1000 magnification (ISEA PAS). A–C. Egg surface. D–E. Midsections of egg processes. Empty indented arrowheads indicate pores / light-refracting dots in the center of the terminal discs, filled flat arrowheads indicate small pores around bases of the egg processes, filled indented arrowheads indicate dark thickenings around bases of the egg processes. Scale bars in μm.

Fig. 18 in Integrative taxonomy supports two new species of Macrobiotus (Tardigrada: Eutardigrada: Macrobiotidae) allowing further discussion on the genus phylogeny

Fig. 18. Macrobiotus mileri sp. nov., mouth opening and the oral cavity armature seen under SEM (paratypes, ISEA PAS). A–B. The mouth opening of a single paratype visible from lateral and frontal view respectively. C–D. The oral cavity armature of a single paratype seen under SEM from different angles, dorsal (C) and ventral (D) view, respectively. Empty arrows indicate cuticular pores, filled flat arrowheads indicate the first band of tenth, empty flat arrowheads indicate the second band of teeth, and filled indented arrowheads indicate the third band of teeth. Scale bars in μm.

Fig. 17 in Integrative taxonomy supports two new species of Macrobiotus (Tardigrada: Eutardigrada: Macrobiotidae) allowing further discussion on the genus phylogeny

Fig. 17. Macrobiotus mileri sp. nov., PCM images of the buccal apparatus (all from holotype, IL.001.11, ISEA PAS, forma aporata). A. An entire buccal apparatus. B–C. The oral cavity armature, dorsal and ventral teeth respectively. D–E. Placoid morphology, dorsal and ventral placoids, respectively. The filled flat arrowheads indicate the first band of teeth, the empty flat arrowheads indicate the second band of teeth, the filled indented arrowheads indicate the third band of teeth, and the empty indented arrowheads indicate central and subterminal constrictions in the first and second macroplacoid, respectively. Scale bars in μm.

Fig. 16 in Integrative taxonomy supports two new species of Macrobiotus (Tardigrada: Eutardigrada: Macrobiotidae) allowing further discussion on the genus phylogeny

Fig. 16. Macrobiotus mileri sp. nov., images of claws (paratypes, ISEA PAS). A. Claws II with smooth lunulae (PCM, forma aporata). B. Claws IV with dentate lunulae (PCM, forma aporata). C. Dentate lunulae (PCM, forma aporata). D. Claws II with smooth lunulae, respectively (SEM, forma porata). E. Claws IV with dentate lunulae (SEM, forma porata). The empty arrow indicates a singular cuticular pore, filled indented arrowheads indicate shadowed extensions extending from the lunulae (under PCM), filled flat arrowheads indicate paired muscles attachments, and empty indented arrowheads indicate the horseshoe structure connecting the anterior and the posterior claw. Scale bars in μm.

Fig. 13 in Integrative taxonomy supports two new species of Macrobiotus (Tardigrada: Eutardigrada: Macrobiotidae) allowing further discussion on the genus phylogeny

Fig. 13. Macrobiotus mileri sp. nov., a schematic drawing of a specimen belonging to forma porata, showing the distribution of patches of cuticular pores, body and leg granulation as well as the gartershaped structures on legs I–III.

Fig. 14 in Integrative taxonomy supports two new species of Macrobiotus (Tardigrada: Eutardigrada: Macrobiotidae) allowing further discussion on the genus phylogeny

Fig. 14. Macrobiotus mileri sp. nov., PCM images of dense granulation patches and cuticular structures on legs (paratypes, ISEA PAS). A. Granulation on the external, proximal and internal surface of leg II. B. Garter-shaped structure and granulation on the external surface of leg II. C. Granulation on the internal surface of leg III. D. Granulation on the hind leg. The empty arrow indicates a cuticular pore, filled arrows indicate the garter-shaped structure. All photographs taken from specimens belonging to forma aporata; scale bars in μm.

Fig. 15 in Integrative taxonomy supports two new species of Macrobiotus (Tardigrada: Eutardigrada: Macrobiotidae) allowing further discussion on the genus phylogeny

Fig. 15. Macrobiotus mileri sp. nov., SEM images of dense granulation patches and cuticular structures on legs (paratypes, ISEA PAS). A. Granulation and garter-shaped structure on the external surface of leg I (forma porata). B. Granulation and garter-shaped structure on the external surface of leg II (forma aporata). C. Granulation on the internal surface of leg II (forma porata). D. Granulation on the hind leg (forma porata). Empty arrows indicate cuticular pores, filled arrows indicate the garter-shaped structure, empty flat arrowheads indicate the small cuticular bulge / fold, filled flat arrowheads indicate small pores in between granulation that are visible only under SEM. Scale bars in μm.