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23 results for “Streptocephalus”
FIGURE 5. Streptocephalus spinifer GURNEY. A in Updated diagnoses for the Indian species of Streptocephalus (Crustacea: Branchiopoda: Anostraca)
FIGURE 5. Streptocephalus spinifer GURNEY. A. Male, lateral view of head. B.Ventral view of the frontal appendage showing spine. C. Frontal appendage. D. Medial view of antennae showing protuberances. E. Male antennae, lateral view. F. Male antennae, medial view. G. Abdominal segment showing spines. H. Lateral view of male genital region with spine on the distal end. I. Upper view of the same. J. Ventral view of the same showing protuberances at the basal end. K. Retracted penis showing the spines on the surface. L. Lateral view of female abdomen and broodpouch. M. Male, telson. N. Cyst. O. Details of cyst showing ridges, depression and pores.
FIGURE 4. Streptocephalus longimanus BOND. A in Updated diagnoses for the Indian species of Streptocephalus (Crustacea: Branchiopoda: Anostraca)
FIGURE 4. Streptocephalus longimanus BOND. A. Male, lateral view of head. B. Protuberance C. Male antennae, lateral view. D. Medial view of male antennae. E. Female, ventral view of head. F. Single antennae. G. Ventral view of male genital region, arrow showing the smooth protuberance. H. Lateral view of female abdomen with broodpouch. I. Male, Telson. J. Cyst. K. Details of cyst showing the ridges, depression and pores.
FIGURE 3. Streptocephalus echinus BOND. A in Updated diagnoses for the Indian species of Streptocephalus (Crustacea: Branchiopoda: Anostraca)
FIGURE 3. Streptocephalus echinus BOND. A. Male, lateral view of head. B. Male antennae, lateral view. C. Male antennae, medial view. D. Female, ventral view of head. E. Ventral view of male genital region, arrow showing the spines on the protuberances. F. Female abdomen with broodpouch, lateral view. G. Cyst. H. Higher magnification showing ridges, depression and pores.
FIGURE 2. Streptocephalus simplex BOND. A in Updated diagnoses for the Indian species of Streptocephalus (Crustacea: Branchiopoda: Anostraca)
FIGURE 2. Streptocephalus simplex BOND. A. Male, lateral view of head. B. Fleshy process on the second antennae. C. Male antennae, lateral view. D. Medial view of male antenane. E. Ventral view of male genital region, arrow showing the spines on the protuberances. F. Distal part of protracted penis showing spines on their surface. G. Female, ventral view of head. H. Single antennae (upper view). I. Lateral view of female abdomen and broodpouch. J. Cyst. K. Details of cyst showing ridges, depression and pores.
FIGURE 1. Streptocephalus dichotomus BAIRD. A in Updated diagnoses for the Indian species of Streptocephalus (Crustacea: Branchiopoda: Anostraca)
FIGURE 1. Streptocephalus dichotomus BAIRD. A. Male, lateral view of head. B. Male antennae, lateral view. C. Medial view of second antennae. D. Female, ventral view of head. E. Ventral view of male genital region, arrow showing the spines on the protruberances. F. Protracted penis G. Female abdomen, lateral view of broodpouch. H. Higher magnification of the terminal end of ovisac. I. Cysts. J. Details of cyst surface with ridge, depression and pores. K. Male, Telson.
FIGURE 1. Streptocephalus sirindhornae from China. A in Morphological characterization of Streptocephalus sirindhornae (Branchiopoda: Anostraca) from South East Asia: First record of the Streptocephalidae from China
FIGURE 1. Streptocephalus sirindhornae from China. A, New localities (black circles) in China, and type locality (empty circle) in Thailand. B, lateral view of male right second antenna. C, medial ventral view of male right second antenna. D, ventral view of male genitalia showing the left gonopod with the lateral linguiform outgrowth. E, external morphology of typical egg.
FIGURE 1 in A new species of Streptocephalus (Crustacea: Anostraca: Streptocephalidae) from the Western Ghats, India, with a key to the Asian species
FIGURE 1. Distribution of Streptocephalus sahyadriensis sp. nov. Shaded (grey) region represents northern part of the Western Ghat range, Maharashtra state, India. Black dots represent the collection localities.
FIGURE 2 in A new species of Streptocephalus (Crustacea: Anostraca: Streptocephalidae) from the Western Ghats, India, with a key to the Asian species
FIGURE 2. Streptocephalus sahyadriensis sp. nov. Male. A, Head, left lateral view. B–F, left second antenna. B, "thumb". C, "finger". D, "finger" basal portion, detail. E, "finger" middle portion, detail. F, 'finger" distal portion, detail. G,Egg. (scale bar = 50µm).
FIGURE 9 in Diversity and distribution of Anostraca in temporary ponds in Western Africa with description of a new species of Streptocephalus Baird, 1852 (Pancrustacea: Branchiopoda: Streptocephalidae)
FIGURE 9. Streptocephalus wolof sp. nov., male from Diembéreng, Ziguinchor, Senegal: A, head, dorsal view, arrow points a marginal beak; B, tip of first antenna; C, genital and abdominal segments; D, gonopore, lateral view; E, cercopods, ventral view. Scale bars: A–C, E = 0.5 mm; D = 0.2 mm.
FIGURE 8 in Diversity and distribution of Anostraca in temporary ponds in Western Africa with description of a new species of Streptocephalus Baird, 1852 (Pancrustacea: Branchiopoda: Streptocephalidae)
FIGURE 8. Streptocephalus wolof sp. nov., male from Diembéreng, Ziguinchor, Senegal: A, genital and abdominal segments., arrow points small cuticle projections; B, gonopods; C, cercopods. lo, lateral linguiform outgrowts; sia, spinulated inner appendix; bp, basal part of gonopods; ep, everted part of gonopods. Scale bars = 0.5 mm.
FIGURE 6 in Diversity and distribution of Anostraca in temporary ponds in Western Africa with description of a new species of Streptocephalus Baird, 1852 (Pancrustacea: Branchiopoda: Streptocephalidae)
FIGURE 6. Streptocephalus wolof sp. nov., male from Diembéreng, Ziguinchor, Senegal: A, head dorsal view; B, tip of first antenna; C, frontal appendage, lateral view; arrow points acute projection; D, second antenna, dorsal view; E, labrum lateral view. Aj = apical joint, sp = small papillae, apr = anterior primary ramus, pr = posterior ramus, s = spur. Scale bars = 0.5 mm.
FIGURE 5. A in Diversity and distribution of Anostraca in temporary ponds in Western Africa with description of a new species of Streptocephalus Baird, 1852 (Pancrustacea: Branchiopoda: Streptocephalidae)
FIGURE 5. A, temporary pond in Diembéreng, habitat of Streptocephalus wolof sp. nov.; B, several living male specimens of S. wolof sp. nov. from the same pond figured in A; note the presence/absence of the red coloration in the cercopods; C, habitus of a female specimen from the same pond figured in A; note the brood pouch coloration and the red color extended over the cercopods and the last abdominal segments.
FIGURE 4 in Diversity and distribution of Anostraca in temporary ponds in Western Africa with description of a new species of Streptocephalus Baird, 1852 (Pancrustacea: Branchiopoda: Streptocephalidae)
FIGURE 4. Bayesian phylogenetic relationships of Streptocephalus based on concatenated coxI and ITS markers. High posterior probabilities (>0.90) are depicted by black dots.
FIGURE 3 in Diversity and distribution of Anostraca in temporary ponds in Western Africa with description of a new species of Streptocephalus Baird, 1852 (Pancrustacea: Branchiopoda: Streptocephalidae)
FIGURE 3. Electronic scanning microscope images of the eggs of: A, Streptocephalus wolof sp. nov., 2 km north of Podor; B, Streptocephalus zeltneri, Bandafassi; C, Streptocephalus sudanicus, Gourel Yoba; D, Branchinella (B.) chudeaui, Tilagne Tokossel. Scale bar indicates 100 µm for each egg sample.
FIGURE 7 in Diversity and distribution of Anostraca in temporary ponds in Western Africa with description of a new species of Streptocephalus Baird, 1852 (Pancrustacea: Branchiopoda: Streptocephalidae)
FIGURE 7. Streptocephalus wolof sp. nov., male from Diembéreng, Ziguinchor, Senegal: A, first thoracopod; B, detail of endites 3–5 of first thoracopod; C, seventh thoracopod; D, detail of endites 3–5 of seventh thoracopod; E, eleventh thoracopod. EX = exopodite, EN = endopodite, EP = epipodite, PE = preepipodite, 1–5 = endites. Scale bars = 0.5 mm.
FIGURE 2 in Diversity and distribution of Anostraca in temporary ponds in Western Africa with description of a new species of Streptocephalus Baird, 1852 (Pancrustacea: Branchiopoda: Streptocephalidae)
FIGURE 2. Map of Senegal showing the known localities of the four recorded freshwater species of Anostraca, including their respective type localities in Senegal and Mali. The three eco-regions are depicted by different colored areas.
FIGURE 1 in Diversity and distribution of Anostraca in temporary ponds in Western Africa with description of a new species of Streptocephalus Baird, 1852 (Pancrustacea: Branchiopoda: Streptocephalidae)
FIGURE 1. Different sampled water masses with presence of Anostraca across Senegal: A, Tilagne, Sahel eco-region, habitat of Branchinella chudeaui; B, Bandafassi, Sudanian savanna, habitat of Streptocephalus zeltneri; C, Bokiladji, Sahel eco-region, both are habitats of Streptocephalus wolof sp. nov.; D, Gourel Yoba, Sudanian savanna, habitat of Streptocephalus sudanicus.
FIGURE 2. Streptocephalus longimanus. A & B in An updated and detailed taxonomical account of the large Branchiopoda (Crustacea: Branchiopoda: Anostraca, Notostraca, Spinicaudata) from the Yale North India Expedition deposited in the Yale Peabody Natural History Museum
FIGURE 2. Streptocephalus longimanus. A & B, eggs (Scale bars: A: 0.2 mm; B: 0.1 mm)
Figure 4 from: Shu S-S, Rogers DC, Chen X-Y, Sanoamuang L (2018) Streptocephalus diversity in Myanmar, with description of a new species (Branchiopoda, Anostraca). ZooKeys 734: 1-12. https://doi.org/10.3897/zookeys.734.21153
Figure 4 Streptocephalus shinsawbuae sp. n. A male anterior ramus (thumb) B male distal antennomere base C male posterior primary ramus (upper finger) primary small spines and hyaline large spines D egg.
Figure 3 from: Shu S-S, Rogers DC, Chen X-Y, Sanoamuang L (2018) Streptocephalus diversity in Myanmar, with description of a new species (Branchiopoda, Anostraca). ZooKeys 734: 1-12. https://doi.org/10.3897/zookeys.734.21153
Figure 3 Streptocephalus shinsawbuae sp. n. A medial view of male second antenna B lateral view of male second antenna C gonopod, ventral view D male head, anterior view E brood pouch, left lateral view F female head and antennae, right side, anterior view. Scale bars 1 mm.
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