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46 results for “Leydigia”
FIGURES 285–293. Leydigia laevis, parthenogenetic female from unnamed lake 8 in A revision of Leydigia Kurz, 1875 (Anomopoda, Cladocera, Branchiopoda), and subgeneric differentiation within the genus
FIGURES 285–293. Leydigia laevis, parthenogenetic female from unnamed lake 8, SW of Cooma, Australia. 285–286. Dorsal head pores. 287–288. Postero-ventral and posterior margin of valve. 289. Postabdomen. 290. Base of postabdomen in dorsal view. 291–292. Preanal margin. 293. Distal portion of postabndomen. Scale bar denotes 100 µm for 285, 289–290, 293; 10 µm for 286–288, 291–292.
FIGURES 216–222 in A revision of Leydigia Kurz, 1875 (Anomopoda, Cladocera, Branchiopoda), and subgeneric differentiation within the genus
FIGURES 216–222. Leydigia macrodonta, thoracic limbs of parthenogenetic female from Soetendalsvlei wetland, Republic of South Africa. 216–217. Limb I and its distal portion. 218. Limb II. 219–220. Limb III and armature of largest seta on its exopodite. 221. Limb IV. 222–223. Limb V and its gnathobase. Scale bar denotes 100 µm.
FIGURES 262–269 in A revision of Leydigia Kurz, 1875 (Anomopoda, Cladocera, Branchiopoda), and subgeneric differentiation within the genus
FIGURES 262–269. Leydigia laevis, medium-sized parthenogenetic female from a water body in vicinity of Longreach, Central Queensland, Australia, lectotype NHM 2002.692., its head, preanal part margin of postabdomen, and whole postabdomen. FIGURES 266–296. Large adult from unnamed lake 8, 22 km SW Cooma, New South Wales, Australia in lateral, anterior, dorsal and ventral view. Scale bar denotes 100 µm for 266–269, it was not taken for 262–265.
FIGURES 139–151 in A revision of Leydigia Kurz, 1875 (Anomopoda, Cladocera, Branchiopoda), and subgeneric differentiation within the genus
FIGURES 139–151. Leydigia australis, parthenogenetic female from unknown locality in Australia, possible type material of G. O. Sars (141, 144, 146–148), and from Castlereagh River at Coonabarabran, Australia (139–140, 142–143, 145, 149–151). 139–141. Labrum. 142. A fragment of valve surface. 143–145. Postabdomen and its preanal margin. 146–148. Its postanal margin and distal portion. 149–151. Antenna I, antenna II and its apical swimming seta. Scale bar denotes 100 µm.
FIGURES 87–97. Leydigia propinqua, maxilla I in A revision of Leydigia Kurz, 1875 (Anomopoda, Cladocera, Branchiopoda), and subgeneric differentiation within the genus
FIGURES 87–97. Leydigia propinqua, maxilla I and thoracic limbs of dissected paralectotype, parthenogenetic female from vicinity of Knysna. 87. Maxilla I and paragnath. 88–89. Limb I and its distal portion. 90–92. Limb II, its distal portion and distal armature of gnathobase. 93–95, Limb III, distal portion of its exopodite, and its inner portion. 96. Limb IV. 97–98. Limb V and its gnathobase. Scale bar denotes 100 µm.
FIGURES 50–60 in A revision of Leydigia Kurz, 1875 (Anomopoda, Cladocera, Branchiopoda), and subgeneric differentiation within the genus
FIGURES 50–60. Leydigia propinqua, parthenogenetic female, paralectotype from Knysna used for SEM. 50–52. Lateral, dorsal and latero-ventral view. 53–55. Head and dorsal head pores. 56. Labral keel. 57–58. Valve sculpture. 59–60. Armature of ventral margin of valve in external view, and posterior margin in internal view. Scale bar denotes 100 µm for 50–53, 10 µm for 54–60.
FIGURES 1–22. 1–13 in A revision of Leydigia Kurz, 1875 (Anomopoda, Cladocera, Branchiopoda), and subgeneric differentiation within the genus
FIGURES 1–22. 1–13. Leydigia louisi louisi, parthenogenetic females from River Makalia, Elmenteita district, Nakuru- Elmenteita basin, Rift Valley Province, central Kenya, lectotype (1, 3, 5–10, 12–13) and paralectotype (2, 4, 11), and from Verlorenvlei wetland, Cape of Good Hope province, Atlantic Coast, Republic of South Africa, coll. 11.08.2000 by G. Jones (14–17). 1–2. Lateral view. 3–4. Labral keel. 5–6. Armature of postero-ventral portion of valve and posterior margin in inner view. 7–9. Postabdomen, preanal and middle portion. 10–11. Postabdominal claws. 12. Joint of basal and distal segments of apical swimming seta. 13. Armature of largest seta on exopodite III. 14. IDL I. 15. Two distal setae of exopodite III. 16. Setae of exopodite IV. 17. Gnathobase V. 18–22. Leydigia louisi mexicana, parthenogenetic females from the type locality, Los Baños lagoon, State of Mexico, Mexico, coll. 25.02.1994 by J. Ciros-Pérez and M. Elías- Gutiérrez. 18. Joint of basal and distal segments of apical swimming seta. 19. IDL I. 20. Two distal setae of exopodite III.
FIGURES 33–49 in A revision of Leydigia Kurz, 1875 (Anomopoda, Cladocera, Branchiopoda), and subgeneric differentiation within the genus
FIGURES 33–49. Leydigia propinqua, paralectotypes from vicinity of Knysna, Republic of South Africa from tube GOS F12378b (33–43) and slide GOS F11146. 33–36. Parthenogenetic female in lateral view and variability of shape of its posterior margin. 37–38. Anterior and posterior view. 39. Head pores. 40. A fragment of valve surface. 41–43. Ephippial female in lateral and anterior view and a fragment of its valve. 44–46. Adult male, its head and posterior margin of valves. 47–49. Male postabdomen, its middle and distal portion. Scale bar denotes 100 µm.
FIGURES 116–138 in A revision of Leydigia Kurz, 1875 (Anomopoda, Cladocera, Branchiopoda), and subgeneric differentiation within the genus
FIGURES 116–138. Leydigia australis from unknown locality in Australia, female from tube GOS F 18336a (116, 118, 122–124, 126, 130) and male from slide GOS F 18336d (131–138), possible type material of G. O. Sars; females from Castlereagh River at Coonabarabran, New South Walles, Australia, coll. 10.08.1965 by B. V. Timms (117, 119–121, 125, 128–129). 116–118. Parthenogenetic female in lateral and anterior view. 119–121. Head shield and dorsal head pores. 122–123. Setae at anterior portion of valve margin. 124. Setae at middle of ventral margin. 125–128. Armature of postero-ventral and middle portions of valve in inner view. 129–130. Postero-dorsal portion of valve margin. 131–133. Adult male, its dorsal head pores and labral keel. 134–136. Postabdomen, armature of postanal margin, and its distal portion. 137–138. Antenna I and limb I. Scale bar denotes 100 µm.
FIGURES 78–86 in A revision of Leydigia Kurz, 1875 (Anomopoda, Cladocera, Branchiopoda), and subgeneric differentiation within the genus
FIGURES 78–86. Leydigia propinqua, parthenogenetic female, paralectotype from Knysna used for SEM. 78–81. Postabdomen and its postanal portion. 82–83. Postabdominal claws in lateral and latero-distal view. 84–85. Bases of postabdominal claws in lateral and dorso-lateral view. 86. Distal portion of limb I. Scale bar denotes 100 µm for 78–79, 10 µm for 80–86.
FIGURES 61–77 in A revision of Leydigia Kurz, 1875 (Anomopoda, Cladocera, Branchiopoda), and subgeneric differentiation within the genus
FIGURES 61–77. Leydigia propinqua, parts of dissected paralectotype, parthenogenetic female from vicinity of Knysna. 61–62. Labrum. 63–64. Setae at middle and postero-ventral region of valves. 65–66. Armature of posterior margin of valve in inner view. 67–70. Postabdomen anf middle of its postanal margin. 71. Series of lateral setae in middle of postanal margin. 72–73. Distal portion of postabdomen. 74. Postabdominal claw in inner view. 75. Antenna I. 76–77. Antenna II and its apical swimming seta. Scale bar denotes 100 µm.
FIGURES 107–115. 107–111. Leydigia australis, parthenogenetic female from tube GOS F 18336a in A revision of Leydigia Kurz, 1875 (Anomopoda, Cladocera, Branchiopoda), and subgeneric differentiation within the genus
FIGURES 107–115. 107–111. Leydigia australis, parthenogenetic female from tube GOS F 18336a, possibly type material of G. O. Sars from unknown locality in Australia. 107–108. Adult and its antenna II. 109–111. Postabdomen and its preanal margin. 112–115 Leydigia macrodonta, lectotype, parthenogenetic female from slide GOS F9222, marked as "S.A.Mus. I", Republic of South Africa. 112–113. General view and head. 114–115. Distal and basal portion of postabdomen. Scale bar denotes 100 µm.
FIGURES 23–32. 23–28 in A revision of Leydigia Kurz, 1875 (Anomopoda, Cladocera, Branchiopoda), and subgeneric differentiation within the genus
FIGURES 23–32. 23–28. Leydigia propinqua, lectotype, parthenogenetic female from vicinity of Knysna, Western Cape Province, Republic of South Africa. 23–25. General view, head and antenna I. 26–28. Posterior margin, postabdomen and exopodite III. 29–32 Leydigia propinqua, paralectotypes selected from samples provisionally marked by G. O. Sars as 'Leydigia capensis Sars' from Knysna. 29–30. Parthenogenetic female from slide GOS F11145 and its postabdomen. 31–32. Adult male from slide GOS F11146 and its postabdomen. Scale bar denotes 100 µm for 23–24, 26–32; 10 µm for 25.
FIGURES 239–249 in A revision of Leydigia Kurz, 1875 (Anomopoda, Cladocera, Branchiopoda), and subgeneric differentiation within the genus
FIGURES 239–249. Leydigia acanthocercoides, parthenogenetic females from Lake Burun, Ukraine (239–240, 242–243, 245–249), and Lake Krugloe, Russia (241, 244). 239–240. Postabdomen. 241–243. Its preanal margin, and armature of postanal margin. 244–245. Postabdominal claw in external and inner view. 246–247. Antenna I. 248–249. Antenna II and its apical swimming seta. Scale bar denotes 100 µm.
FIGURES 224–238 in A revision of Leydigia Kurz, 1875 (Anomopoda, Cladocera, Branchiopoda), and subgeneric differentiation within the genus
FIGURES 224–238. Leydigia acanthocercoides, parthenogenetic (224–235) and ephippial (236–238) females from Lake Burun, near Shchurovo, Krasnolimannij District, Donetsk Area, Ukraine, coll. 21.07.85 by O. Y. Lisatchev (224–226, 229, 231, 233–238), and Lake Krugloe, near Lotoshino, Moscow Area, Russia, coll. by N. M. Korovchinsky and M. A. Belyaeva (227–228, 230, 232). 224–226. Adult in lateral, anterior and dorsal view. 227–230. Head shield and dorsal head pores. 231–232. Labrum. 233. Fragment of valve. 234–235. Setae at anterior and postero-ventral portion of valve. 236–238. Ephippial female in lateral and anterior view, and sculpture of its valve. Scale bar denotes 100 µm.
FIGURES 194–203. Leydigia macrodonta, parthenogenetic female from slide GOS F9222 in A revision of Leydigia Kurz, 1875 (Anomopoda, Cladocera, Branchiopoda), and subgeneric differentiation within the genus
FIGURES 194–203. Leydigia macrodonta, parthenogenetic female from slide GOS F9222, lectotype from locality marked as "S.A.Mus. I" (194) and from Soetendalsvlei wetland, Western Cape Province, Republic of South Africa, coll. 25.08.2000 by G. Jones (195–203). 195–196. Adult anf juvenile. 197–198. Dorsal head pores. 199. Labrum. 200. A fragment of valve. 201–203. Armature of ventral, postero-ventral and posterior margin of valve. Scale bar denotes 100 µm.
FIGURES 294–315 in A revision of Leydigia Kurz, 1875 (Anomopoda, Cladocera, Branchiopoda), and subgeneric differentiation within the genus
FIGURES 294–315. Leydigia laevis, parthenogenetic female from vicinity of Longreach, paralectotype (303, 306, 310), from unnamed lake 8, SW of Cooma (296–297), and unknown locality in Victoria (294–295, 298–302, 304–305, 307–309, 311–315), Australia. 294–295. Labrum of adult. 296–297. Labrum of juvenile. 298–299. Setae at middle and postero-ventral portion of valve. 300–301. Postero-ventral valve portion. 302–303. Posterior margin of valve. 304–305. Postabdomen. 306–307. Its preanal margin. 308–310. Armature of postanal margiun and distal portion of postabdomen. 311. Postabdominal claw. 312. Antenna I. 313–315. Antenna II, distal spine on its basal segment and apical swimming seta. Scale bar denotes 100 µm.
FIGURES 99–106. 99–102. Leydigia africana Gurney, 1904 in A revision of Leydigia Kurz, 1875 (Anomopoda, Cladocera, Branchiopoda), and subgeneric differentiation within the genus
FIGURES 99–106. 99–102. Leydigia africana Gurney, 1904, lectotype, parthenogenetic female NHM 2002.690., which is obviously L. propinqua Sars, 1903. 103–106 'Paralectotype' of Leydigia africana Gurney, 1904, parthenogenetic female NHM 2002.691., which obviously belongs to a species different from the lectotype, namely, L. ciliata Gauthier, 1939 in its recent understanding. Scale bar denotes 100 µm.
FIGURES 270–284 in A revision of Leydigia Kurz, 1875 (Anomopoda, Cladocera, Branchiopoda), and subgeneric differentiation within the genus
FIGURES 270–284. Leydigia laevis, female from vicinity of Longreach, paralectotype (270, 280), from unnamed lake 8, SW of Cooma (271, 273–276, 281–284), and unknown locality in Victoria, GOS F 4147 (272, 277–279), Australia. 270–273. Adult in lateral view. 273. Its anterior view. 274–276. Juvenile, its postabdomen and preanal margin. 277–280. Head shield of adult, head pores, reticulation of valve it its dorsal and medial portion. 281–282. Ephippial female in lateral and anterior view. 283–284. Ephippium in lateral and anterior view. Scale bar denotes 100 µm.
FIGURES 169–182 in A revision of Leydigia Kurz, 1875 (Anomopoda, Cladocera, Branchiopoda), and subgeneric differentiation within the genus
FIGURES 169–182. Leydigia microps, parthenogenetic female from Green Point Common, lectotype from slide GOS F 9223 (169, 177) and paralectotype from slide GOS F 9226 (178), and locality marked as "C.S.I.R. Stream Survey, Val 150A", coll.12.06.1956 by A. D. Harrison and B. R. Allanson (170–176, 178–182), Republic of South Africa. 169–170. Lateral view. 171. Dorsal head pores. 172–173. Labrum. 174–176. Armature of ventral and postero-ventral portion of valve. 177–180. Postabdomen. 181–182. Its middle and distal portion. Scale bar denotes 100 µm.
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