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Fig. 17 in The genus Milnesium (Eutardigrada, Apochela, Milnesiidae) in Argentina: description of three new species and key to the species of South America

Fig. 17. Milnesium irenae sp. nov. A. Holotype, ♀ (slide No. UNLPam 1657-1). B. Paratype, ♀ (slide No. UNLPam 1599-3). C. Paratype, ♀ (slide No. UNLPam 1656-3). Cephalic region. A. Buccal tube and the noticeable development of the stylets, their furcae and supports. B. The reduced medio-ventral peribuccal papilla (arrow) in a paratype. C. Another paratype showing the same structures as in A, illustrating clearly the whale-tail shaped stylet furcae; the peribuccal lamellae are partially visible. Scale bars = 10 µm.

Fig. 10 in The genus Milnesium (Eutardigrada, Apochela, Milnesiidae) in Argentina: description of three new species and key to the species of South America

Fig. 10. Semi-schematic drawing of pseudoplate configuration in the senior specimens of Milnesium pelufforum sp. nov.

Fig. 13 in The genus Milnesium (Eutardigrada, Apochela, Milnesiidae) in Argentina: description of three new species and key to the species of South America

Fig. 13. Milnesium irenae sp. nov., holotype, ♀ (slide No. UNLPam 1657-1). Habitus. Scale bar = 50 µm.

Fig. 16 in The genus Milnesium (Eutardigrada, Apochela, Milnesiidae) in Argentina: description of three new species and key to the species of South America

Fig. 16. Milnesium irenae sp. nov. A–B. Paratype, ♀ (slide No. UNLPam 1367-1). C. Paratype, ♀ (slide No. MCNS tar. 000023-2). D. Paratype, ♀ (slide No. UNICT 5899). Details of the cuticular ornamentation of the caudal segments (where it is more evident). A. Muscular attachments, grooves and rugosity arrangement, and, partially, the reticular pattern, are visible. B. Schematic drawing based on A, showing all components of the ornamentation: muscular attachments (arrows), grooves and rugosity system (in light grey) which forms crossings in some areas (arrowheads), reticular pattern. C. The reticular pattern is well visible. D. All cuticular sculpture components as in A are shown in another paratype. Scale bars = 10 µm.

Fig. 8 in The genus Milnesium (Eutardigrada, Apochela, Milnesiidae) in Argentina: description of three new species and key to the species of South America

Fig. 8. Milnesium pelufforum sp. nov., holotype, ♀ (slide No. MCNS tar. 000021-3). Habitus. Scale bar = 50 µm.

Fig. 7 in The genus Milnesium (Eutardigrada, Apochela, Milnesiidae) in Argentina: description of three new species and key to the species of South America

Fig. 7. Milnesium pelufforum sp. nov., paratype, young (slide No. UNLPam 503-1). Buccal tube and claws. A. Buccal tube and related structures. B. Claws of legs I; the black arrow indicates the accessory points, the black arrowhead indicates the leg cuticular bar. C. Claws of legs IV; the white arrowhead indicates a 'lunule'. Scale bars = 10 µm.

Fig. 5 in The genus Milnesium (Eutardigrada, Apochela, Milnesiidae) in Argentina: description of three new species and key to the species of South America

Fig. 5. Semi-schematic drawing of pseudoplate configuration in the young specimens of Milnesium pelufforum sp. nov.

Fig. 6 in The genus Milnesium (Eutardigrada, Apochela, Milnesiidae) in Argentina: description of three new species and key to the species of South America

Fig. 6. Milnesium pelufforum sp. nov., paratype, young (slide No. 5898 (Pilato and Binda Collection)). Details of the cuticular ornamentation. A. General view of the dorsal cuticle showing several bands of sculptured cuticle and the cuticular groove at the level of legs III (arrow). B. Magnification of a portion of dorsal cuticle shown in A, better showing the cuticular dimples, some with evident internal structure (arrowheads), and others with more or less out of focus internal structure (the internal of the dimples is not bright, e.g., the dimples in the centre of the photo). Scale bars: A = 20 µm; B = 10 µm.

Fig. 2 in The genus Milnesium (Eutardigrada, Apochela, Milnesiidae) in Argentina: description of three new species and key to the species of South America

Fig. 2. Milnesium pelufforum sp. nov. Schematic drawing of cuticular dimples showing their shapes and different appearances of internal structures.

Fig. 3 in The genus Milnesium (Eutardigrada, Apochela, Milnesiidae) in Argentina: description of three new species and key to the species of South America

Fig. 3. Milnesium pelufforum sp. nov., paratype, young (slide No. 5898 (Pilato and Binda Collection)). Habitus. The arrowhead indicates the dorsal cuticular groove constantly present in young specimens at the level of legs III. Scale bar = 30 µm.

Fig. 1 in The genus Milnesium (Eutardigrada, Apochela, Milnesiidae) in Argentina: description of three new species and key to the species of South America

Fig. 1. Milnesium pelufforum sp. nov. Schematic drawing of a young and a senior specimen showing the ten sculptured bands.

Fig. 9 in The genus Milnesium (Eutardigrada, Apochela, Milnesiidae) in Argentina: description of three new species and key to the species of South America

Fig. 9. Milnesium pelufforum sp. nov., holotype, ♀ (slide No. MCNS tar. 000021-3), under UV fluorescence microscope, showing various pseudoplates. Scale bar = 50 µm.

Fig. 19 in The genus Milnesium (Eutardigrada, Apochela, Milnesiidae) in Argentina: description of three new species and key to the species of South America

Fig. 19. Milnesium quiranae sp. nov., paratype, ♀ (slide No. UNLPam 566-1). Buccal tube and claws of a young. A. Buccal tube and related structures. B. Legs I and II; the black arrow indicates the accessory points, the black arrowhead indicates the leg cuticular bar, the white arrowhead indicates a lunule. C. Leg III; the black and the white arrowheads indicate the same as in B. D. Legs IV with their claws. Scale bars = 10 µm.

Fig. 12 in The genus Milnesium (Eutardigrada, Apochela, Milnesiidae) in Argentina: description of three new species and key to the species of South America

Fig. 12. Milnesium pelufforum sp. nov., holotype, ♀ (slide No. MCNS tar. 000021-3). Cephalic region and claws. A. Cephalic region with the buccal tube and related structures in focus. B. Claws of legs I. C. Claws of legs III. D. Claws of legs IV. In B–D the black arrows indicate the accessory points, the white arrows indicate the basal spurs, the white arrowheads indicate the 'lunulae', the black arrowheads indicate the leg cuticular bars. Scale bars = 10 µm.

Fig. 21 in The genus Milnesium (Eutardigrada, Apochela, Milnesiidae) in Argentina: description of three new species and key to the species of South America

Fig. 21. Buccal tube, peribuccal papillae and claws of senior specimens of Milnesium quiranae sp. nov. A, C–E. Holotype, ♀ (slide No. MCNS Tar.000024-3). B. Paratype, ♀ (slide No. UNLPam 560-1). A. Buccal tube and related structures. B. Reduced medioventral peribuccal papilla (black arrowhead). C. Leg II with its claws; the black arrow indicates the accessory points, the black arrowhead indicates the leg cuticular bar. D. Leg III with its claws. E. Legs IV with their claws, the white arrowhead indicates a lunule. Scale bars = 10 µm.

Fig. 4 in An Integrative Description Of A New Richtersius Species From Greece (Tardigrada: Eutardigrada: Richtersiusidae)

Fig. 4. Richtersius tertius sp. n. mouth opening with peribuccal structures and oral cavity armature of an adult (SEM). A = general view of the mouth opening; B = details of the oral cavity armature. Asterisk indicates the circular sensory field, filled arrow indicates the divided peribuccal velum/lamina, filled flat arrowheads indicate the first band of teeth, empty flat arrowheads indicate the teeth of the second band, dorsal and ventral teeth of

Fig. 1 in An Integrative Description Of A New Richtersius Species From Greece (Tardigrada: Eutardigrada: Richtersiusidae)

Fig. 1. Richtersius tertius sp. n. habitus. A = adult, dorsoventral projection (holotype, PCM); B = hatchling, dorsoventral projection (PCM). Scale bars in μm

Fig. 2 in An Integrative Description Of A New Richtersius Species From Greece (Tardigrada: Eutardigrada: Richtersiusidae)

Fig. 2. Richtersius tertius sp. n. pores. A = pores on the hatchling dorsal cuticle (PCM); B–E = pores on the hatchling dorsal cuticle (SEM). Scale bars in Μm

Fig. 7 in An Integrative Description Of A New Richtersius Species From Greece (Tardigrada: Eutardigrada: Richtersiusidae)

Fig. 7. Richtersius tertius sp. n. egg chorion morphology (SEM). A – entire egg; B–C = Details of egg surface and processes; D = magnification of the egg process. Filled flat arrowheads

Fig. 5 in An Integrative Description Of A New Richtersius Species From Greece (Tardigrada: Eutardigrada: Richtersiusidae)

Fig. 5. Richtersius tertius sp. n. buccal apparatus (PCM). A = dorsal projection of the entire buccal apparatus; B = later view of the buccal crown; C = ventral view of the buccal crown; D = stylet support insertion point of the buccal apparatus; E = macroplacoid morphology visible in ventral view. Filled arrows indicate the ventro-lateral triangular apophysis, filled indented arrowheads indicate dorsal spikes, empty indented arrowheads indicate constrictions in the macroplacoids, the empty arrow indicates the cuticular hook on the dorsal apophysis, the black filled arrow indicates the cuticular hook on the ventral apophysis, filled flat arrowheads indicate the second band of teeth in the oral cavity. Scale bars in Μm