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6 results for “Mesenchytraeus”
Linked collectors and determiners for: The occurrence of Mesenchytraeus (Enchytraeidae: Oligochaeta) in ri ' e habitats of north-west American rivers, with description of a new species.
Natural history specimen data linked to collectors and determiners held within, "The occurrence of Mesenchytraeus (Enchytraeidae: Oligochaeta) in ri ' e habitats of north-west American rivers, with description of a new species". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/dbf360e3-f8f0-446e-a50d-c6b9a838063b">https://bionomia.net/dataset/dbf360e3-f8f0-446e-a50d-c6b9a838063b</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/dbf360e3-f8f0-446e-a50d-c6b9a838063b">https://gbif.org/dataset/dbf360e3-f8f0-446e-a50d-c6b9a838063b</a>. Formatted as a Frictionless Data package.
FIGURE 4 in Two new Mesenchytraeus species (Annelida: Clitellata: Enchytraeidae) from Changbai Mountain, China
FIGURE 4. Micrographs of Mesenchytraeus liberothecus sp. nov., from fixed and stained specimens. A. Brain. B. Pattern of clitellar glands. C. Sperm funnel. D. Male organ in clitellar region. E. Spermathecae. F. Coelomocytes. G. Sperm sac. H. Sperm bundles. Scale bars: A–H 50 µm. Abbreviations: ag, atrial glands; at, atrium; br, brain; bsf, body of sperm funnel; dt, diverticulum; ecd, spermathecal ectal duct; gr, granulocyte; hs, head of spermatozoa; hy, hyalocyte; sa, spermathecal ampulla.
FIGURE 1 in Two new Mesenchytraeus species (Annelida: Clitellata: Enchytraeidae) from Changbai Mountain, China
FIGURE 1. Mesenchytraeus spermatoglomeratus sp. nov. A. Ventral chaetae in II. B. Ventral chaetae in V. C. Ventral chaetae in VI. D. Ventral chaetae in VIII. E. Ventral chaetae in XI. F. Nephridium in VIII/IX. G. Spermatheca. H. Male organ in clitellar region. I. Sperm funnel. J. Brain. Scale bars: A–E 25 µm; F–G 50 µm; H 100 µm; I 50 µm; J 25 µm. Abbreviations: acg, accessory copulatory glands; ag, atrial glands; as, nephridial anteseptale; at, atrium; bsf, body of sperm funnel; ecd, spermathecal ectal duct; ed, nephridial efferent duct; end, spermathecal ental duct; hs, head of spermatozoa; pb, penial bulb; ps, nephridial postseptale; sa, spermathecal ampulla; sp, spermathecal pore; vd, vas deferens.
FIGURE 2 in Two new Mesenchytraeus species (Annelida: Clitellata: Enchytraeidae) from Changbai Mountain, China
FIGURE 2. Micrographs of Mesenchytraeus spermatoglomeratus sp. nov. A–D in vivo, E–L fixed, stained. A. Prostomium and head pore; B. Pattern of clitellar glands. C. Coelomocytes. D. Sperm bundles just coming out from broken sperm sac. E. Brain. F. Pattern of clitellar gland cells. G. Nephridium in VIII/IX. H. Sperm bundle. I. Sperm funnel and atrium. J. Male organ in clitellar region. K. Spermathecae. L. Vasa deferentia. Scale bars: A 50 µm; B 25 µm; C 15 µm; D 25 µm; E–H 50 µm; I–K 100 µm; L 50 µm. Abbreviations: acg, accessory copulatory glands; ag, atrial glands; at, atrium; br, brain; bsf, body of sperm funnel; ecd, spermathecal ectal duct; ed, nephridial efferent duct; end, spermathecal ental duct; gr, granulocyte; hp, head pore; hs, head of spermatozoa; hy, hyalocyte; pb, penial bulb; ps, nephridial postseptale; sa, spermathecal ampulla; sp, spermathecal pore.
FIGURE 3 in Two new Mesenchytraeus species (Annelida: Clitellata: Enchytraeidae) from Changbai Mountain, China
FIGURE 3. Mesenchytraeus liberothecus sp. nov. A. Ventral chaetae in III. B. Ventral chaetae in V. C. Ventral chaetae in VII. D. Lateral chaetae in IX. E. Sperm funnel. F. Brain. G. Male copulatory organ in clitellar region. H. Spermatheca. Scale bars: A–D 25 µm; E–H 50 µm. Abbreviations: acg, accessory copulatory glands; ag, atrial glands; at, atrium; bsf, body of sperm funnel; dt, diverticulum; ecd, spermathecal ectal duct; hs, head of spermatozoa; sa, spermathecal ampulla; sp, spermathecal pore; vd, vas deferens.
FIG. 1 in The occurrence of Mesenchytraeus (Enchytraeidae: Oligochaeta) in ri'e habitats of north-west American rivers, with description of a new species
FIG. 1. Mesenchytraeus rhithralis sp. n.: (A) dorsal view of anterior segments; (B) chaeta; (C) coelomocytes; (D) preclitellar nephridium; (E) sperm funnel; (F) part of vas deferens; (G, H) two views of the penial bulb. am, spermathecal ampulla; br, brain; co, collar; ed, spermathecal ectal duct; ef, eOEerent duct; ne, nephrostome; pb, penial bulb; sg, septal glands; vd, vas deferens. Scale bars: 0.5 mm (A), 50 Mm (B, D, E, G, H) and 20 Mm (C, F).
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