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116 results for “Oligochaetes”
Fig. 3. Microdrile oligochaete PIN 5640 in A probable oligochaete from an Early Triassic Lagerstätte of the southern Cis-Urals and its evolutionary implications
Fig. 3. Microdrile oligochaete PIN 5640/212 (A) from the Petropavlovka Formation, Olenekian (Lower Triassic), Petropavlovka III section, Russia and extant Tubifex tubifex (Müller, 1774) (B) from the Khripan' River, Moscow region, Russia, SEM. A. Anterior part with possible prostomium (arrowed) A1). Posterior part of specimen with W-shaped depression (arrowed) and possible genital region (A2). B. Anterior part showing prostomium (arrowed) and arrangement of chaetae (B1). Genital region depicting male pores (arrowed) (B2).
Fig. 1. A in A probable oligochaete from an Early Triassic Lagerstätte of the southern Cis-Urals and its evolutionary implications
Fig. 1. A. Map showing the Lower Triassic locality Petropavlovka III (asterisk) on the Sakmara River valley bank near the village of Petropavlovka ca. 45 km north-east of the town of Orenburg, Russia, in the tectonic context (dashed lines, boundaries of tectonic regions; modified from Minikh and Minikh 1997). B. Combined stratigraphic log of Petropavlovka II–IV sections (modified from Tverdokhlebov 1967).
Fig. 2. Microdrile oligochaete PIN 5640 in A probable oligochaete from an Early Triassic Lagerstätte of the southern Cis-Urals and its evolutionary implications
Fig. 2. Microdrile oligochaete PIN 5640/212 (A) from Petropavlovka Formation, Olenekian (Lower Triassic), Petropavlovka III section, Russia and extant Tubifex tubifex (Müller, 1774) (B) from Khripan' River, Moscow region, Russia. A. Photograph under polarised light (A1) and SEM image depicting main features of the specimen (А2): general outlines (continuous line), W-shaped depression (long dashed line), prominent annuli (dashed line), dissepiments (dotted line), and post-mortem fractures (dash-and-dot line). B. SEM image. Dissepiments (asterisks), segments are numbered, depression in posterior part of genital region (arrow).
Figure 8 in Taxonomical studies of four new Aseptate Gregarine parasites belonging to the Genus Monocystis Stein, 1848 (Protozoa: Apicomplexa: Sporozoa) from an Oligochaete Host, Eutyphoeus orientalis (Annelida: Oligochaeta) of West Bengal, India
Figure 8. Monocystis csabai sp. nov. (Camera lucida drawings of different stages of life cycle) A. Trophozoite. B. Syzygy. C. Gametocyst D. Oocyst. Scales: A-C = 100µm; D = 10µm.
Figure 6 in Taxonomical studies of four new Aseptate Gregarine parasites belonging to the Genus Monocystis Stein, 1848 (Protozoa: Apicomplexa: Sporozoa) from an Oligochaete Host, Eutyphoeus orientalis (Annelida: Oligochaeta) of West Bengal, India
Figure 6. Monocystis satoi sp. nov. (Camera lucida drawings of different stages of life cycle) A-B. Trophozoite. C. Syzygy D. Gametocyst. E. Oocyst. Scales: A-D =100µm; E=10µm.
Figure 3 in Taxonomical studies of four new Aseptate Gregarine parasites belonging to the Genus Monocystis Stein, 1848 (Protozoa: Apicomplexa: Sporozoa) from an Oligochaete Host, Eutyphoeus orientalis (Annelida: Oligochaeta) of West Bengal, India
Figure 3. Monocystis indicus sp. nov. (Photomicrographs of different stages of life cycle) A. Trophozoite (white arrow – granulated endosarc). B. Syzygy. C. Gametocyst. D. Oocyst. Scales: A-C = 100µm, D = 10µm.
Figure 4 in Taxonomical studies of four new Aseptate Gregarine parasites belonging to the Genus Monocystis Stein, 1848 (Protozoa: Apicomplexa: Sporozoa) from an Oligochaete Host, Eutyphoeus orientalis (Annelida: Oligochaeta) of West Bengal, India
Figure 4. Monocystis indicus sp. nov. (Camera lucida drawings of different stages of life cycle) A. Trophozoite. B. Syzygy. C. Gametocyst. D. Oocyst. Scales: A-C =100µm; D = 10µm.
Figure 7 in Taxonomical studies of four new Aseptate Gregarine parasites belonging to the Genus Monocystis Stein, 1848 (Protozoa: Apicomplexa: Sporozoa) from an Oligochaete Host, Eutyphoeus orientalis (Annelida: Oligochaeta) of West Bengal, India
Figure 7. Monocystis csabai sp. nov. (Photomicrographs of different stages of life cycle) A. Trophozoite (white arrow- large rounded distinct nucleus); (black arrow- tapering pointed end). B. Syzygy. C. Gametocyst D. Oocyst. Scales: A-C = 100µm; D = 10µm.
Figure 1 in Taxonomical studies of four new Aseptate Gregarine parasites belonging to the Genus Monocystis Stein, 1848 (Protozoa: Apicomplexa: Sporozoa) from an Oligochaete Host, Eutyphoeus orientalis (Annelida: Oligochaeta) of West Bengal, India
Figure 1. Photomicrographs of different stages of the life history of Monocystis eutyphae sp. nov. obtained from the seminal vesicles of earthworm Eutyphoeus orientalis, A. Trophozoite(Black arrow - mucron); (white arrow - granulated endosarc). B. Syzygy. C. Gametocyst. D. Oocyst. Scales: A - C = 100µm; D = 10µm
Figure 3 in Description of three new species of Aseptate Gregarine, Monocystis von Stein, 1848 of Oligochaetes collected from Dhaka, Bangladesh
Figure 3. Monocystis hamidae sp. nov. (photomicrographs of different stages of the life cycle) A. Trophozoite; B. Gametocyst; C. Oocyst. Scale-bars. A-B, 100 µm; C, 10 µm.
Figure 5 in Description of three new species of Aseptate Gregarine, Monocystis von Stein, 1848 of Oligochaetes collected from Dhaka, Bangladesh
Figure 5. Monocystis ribbonae sp. nov. (photomicrographs of different stages of the life cycle) A. Trophozoite; B. Gametocyst; C. Oocyst. Scale-bars. A-B, 100 µm; C, 10 µm.
Figure 4 in Description of three new species of Aseptate Gregarine, Monocystis von Stein, 1848 of Oligochaetes collected from Dhaka, Bangladesh
Figure 4. Monocystis hamidae sp. nov. (camera lucida drawings of different stages of the life cycle) A. Trophozoite; B. Gametocyst; C. Oocyst. Scale-bars. A-B, 100 µm; C, 10 µm.
Figure 1 in Description of three new species of Aseptate Gregarine, Monocystis von Stein, 1848 of Oligochaetes collected from Dhaka, Bangladesh
Figure 1. Monocystis bangladeshensis sp. nov. (photomicrographs of different stages of the life cycle) A. Trophozoite; B. Gametocyst; C. Oocyst. Scale-bars. A-B, 100 µm; C, 10 µm.
Fig. 2 in First record of an aquatic oligochaete infesting fish
Fig. 2. Pristina aequiseta between gill filaments of Murray cod. (a) Low magnification showing gill filaments (Gf) and oligochaete (Ol). (b) Anterior end showing distinctive proboscis (Pb) and segments with setae (Se).
Fig. 1 in First record of an aquatic oligochaete infesting fish
Fig. 1. Fish mortality rate (fish/tank/day) for 16 tanks in a Murray cod recirculating aquaculture system infested with Pristina aequiseta (values represent mean and standard error).
FIG. 4 in Groundwater oligochaetes (Annelida, Clitellata) from the Mercantour National Park (France), with the descriptions of one new genus and two new stygobiont species
FIG. 4. — Marionina sambugarae Schmelz, n. sp.: A, segments IV-VI, lateral view (facing left) (paratype MNHN HEL 11.262.01d); B, clitellar region, lateral view (holotype MNHN HEL 11.262.01c); C, clitellar region, dorsal view, showing dorsally interrupted clitellum (paratype IRScNB I.G. 32392 slide 11.264.02e). Symbols: Ü, dorsal lobe of pharyngeal gland in VI. Scale bars: 100 µm.
FIG. 3 in Groundwater oligochaetes (Annelida, Clitellata) from the Mercantour National Park (France), with the descriptions of one new genus and two new stygobiont species
FIG. 3. — Geographical distribution of groundwater Aberrantidrilus Martin, 2015 species in Southern Europe. The shaded patterns indicate the areas of carbonate rock outcrops (exposed karst terrains; Williams & Fong 2010).
FIG. 2 in Groundwater oligochaetes (Annelida, Clitellata) from the Mercantour National Park (France), with the descriptions of one new genus and two new stygobiont species
FIG. 2. — Aberrantidrilus stephaniae Martin, n. gen., n. sp.: A, male genitalia (paratype MNHN HEL 524 slide 11.007.04); B, detailed sketch of the pseudopenis area, showing posterior prostate (ppr) and penial seta (ps) (paratype IRScNB I.G. 32392 slide 11.019.06); C, spermathecae in segment XII (paratype IRScNB I.G. 32392 slide 11.017.01c); D, D', unmodified and penial setae (ps) (D. IRScNB paratype I.G. 32392 slide 11.017.01b; D'. IRScNB holotype I.G. 32392 slide 11.019.01). Abbreviations: see Material and methods. Scale bars: A, C, 100 µm; B, D, D', 50 µm.
Figure 4 in Four new species of terrestrial earthworms belonging to the genus Amynthas (Megascolecidae: Oligochaeta) from Taiwan with discussion on speculative synonyms and species delimitation in oligochaete taxonomy
Figure 4. Amynthas cruxus sp. nov., holotype, 170 mm. (A) Ventral view of right male pore region (gp, genital papilla; ma, male aperture; md, male disc); (B) spermathecal pore; (C) dorsal view of right spermathecae (amp, ampulla; dv, diverticulum); (D) dorsal view of right prostate gland (pg) (pd, prostatic duct); (E) dorso-lateral view of right testis sacs (ts) and seminal vesicles (sv) of a 122-mm specimen (coll. no. 2000-81-Shen) (dl, dorsal lobe; vd, vas deferens; ve, vas efferens).
Figure 3 in Four new species of terrestrial earthworms belonging to the genus Amynthas (Megascolecidae: Oligochaeta) from Taiwan with discussion on speculative synonyms and species delimitation in oligochaete taxonomy
Figure 3. Amynthas bilineatus sp. nov. (A) Ventral view of preclitellar region (gp, genital papilla) of holotype; (B) ventral view of male pore (mp) region of holotype; (C) ventral view of male pore region of a 113-mm specimen (coll. no. 2000-3-Shen); (D) dorsal view of preclitellar accessory glands (ag) of holotype; (E) dorsal view of right sperm sacs (ss) and seminal vesicles (sv) of holotype (dl, dorsal lobe); (F) dorsal view of right prostate gland of holotype; (G) dorsal view of right prostate gland and accessory gland of a 113-mm specimen (coll. no. 2000-3- Shen); (H) dorsal view of right caecum of holotype.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
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OpenNeuro
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