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116 results for “Glossiphoniidae”
FIGURES 8–9 in Helobdella nahuelhuapensis sp. nov. (Hirudinea, Glossiphoniidae), from Bariloche, Argentina
FIGURES 8–9. Internal morphology of H. nahuelhuapensis sp. nov. 8. Digestive system and testisacs: proboscis (pr), oesophagus (oe), salivary glands (s), gastric chambers (ch), postcaeca (p), intestinal caeca (ic), and testisacs (t). 9. Male medial reproductive apparatus with atrium (a), sperm ducts (sd), and male pore (m). Female reproductive apparatus showing folded ovisacs (o).
FIGURES 1–7 in Helobdella nahuelhuapensis sp. nov. (Hirudinea, Glossiphoniidae), from Bariloche, Argentina
FIGURES 1–7. External morphology of H. nahuelhuapensis sp. nov. 1. Dorsal surface of holotype with randomily arranged chromatophores. 2. Ventral surface of the holotype showing one pair of inframarginal lines. 3. Dorsum of holotype showing subdivision of middorsal annuli a1 a2 a3 at somite XVII and XVIII. 4. Ventral region of the holotype showing anterior sucker with mouth pore terminal. 5. Unpigmented region at somite VIII. 6. Cephalic region of holotype exhibiting two punctiform eyes. 7. Clitellar region of the paratype with male (m) and female (f) gonopores separated by one annulus.
FIGURE 3. Haementeria lopezi n in (Annelida: Glossiphoniidae) from Jalisco State, Mexico
FIGURE 3. Haementeria lopezi n. sp. from Las Palmas, Jalisco, Mexico. Base of the proboscis of a paratype.
FIGURE 4. Helobdella atli n in A new freshwater leech species of Helobdella (Annelida: Glossiphoniidae) from central Mexico
FIGURE 4. Helobdella atli n. sp. from Totolcingo, Tlaxcala, Mexico. Scanning electron microphotography of the anterior part, showing nuchal scute.
FIGURE 3. Helobdella atli n in A new freshwater leech species of Helobdella (Annelida: Glossiphoniidae) from central Mexico
FIGURE 3. Helobdella atli n. sp. from Totolcingo, Tlaxcala, México. Scanning electron microphotography of posterior part, showing the position of anus.
FIGURE 7 in Two new species of Helobdella Blanchard 1896 (Hirudinida: Rhynchobdellida: Glossiphoniidae) from Taiwan, with a checklist of hirudinea fauna of the island
FIGURE 7. Neighbor joining tree of Helobdella based on COI sequences. Bootstrap values above 50 are shown. Specimens of H. melananus, H. octatestisaca and H. europaea from Taiwan are marked in bold.
FIGURE 2 in Two new species of Helobdella Blanchard 1896 (Hirudinida: Rhynchobdellida: Glossiphoniidae) from Taiwan, with a checklist of hirudinea fauna of the island
FIGURE 2. Internal morphology of Helobdella octatestisaca n. sp. Roman numerals of X and XX indicate the orders of the ganglia. an. Anus; atr. Atrium; br. Brain; cr. Crop and crop caeca; ejc. Ejaculatory duct; g. Ganglion; int. Intestine and intestine caeca; mth. Mouth; ov. Ovary; prb. Proboscis; rt. Rectum; salg. Salivary gland; scu. Scute; te. Testisacs.
FIGURE 1 in Two new species of Helobdella Blanchard 1896 (Hirudinida: Rhynchobdellida: Glossiphoniidae) from Taiwan, with a checklist of hirudinea fauna of the island
FIGURE 1. External morphology of Helobdella octatestisaca n.sp. Notice the smooth dorsal surface and the scute located middorsally in the anterior region. The scale indicates 1 mm.
FIGURE 6 in Two new species of Helobdella Blanchard 1896 (Hirudinida: Rhynchobdellida: Glossiphoniidae) from Taiwan, with a checklist of hirudinea fauna of the island
FIGURE 6. Internal morphology of Helobdella europaea. Roman numerals of X and XX indicate the orders of the ganglia. an. Anus; atr. Atrium; br. Brain; cr. Crop and crop caeca; ejc. Ejaculatory duct; g. Ganglion; int. Intestine and intestine caeca; mth. Mouth; ov. Ovary; prb. Proboscis; rt. Rectum; salg. Salivary gland; te. Testisacs.
FIGURE 4 in Two new species of Helobdella Blanchard 1896 (Hirudinida: Rhynchobdellida: Glossiphoniidae) from Taiwan, with a checklist of hirudinea fauna of the island
FIGURE 4. Internal morphology of Helobdella melananus n. sp.. Roman numerals of X and XX indicate the orders of the ganglia. an. Anus; atr. Atrium; br. Brain; cr. Crop and crop caeca; ejc. Ejaculatory duct; g. Ganglion; int. Intestine and intestine caeca; mth. Mouth; ov. Ovary; prb. Proboscis; rt. Rectum; salg. Salivary gland; te. Testisacs.
FIGURE 5 in A new Alboglossiphonia species (Hirudinea: Glossiphoniidae) from Egypt: Description and life history data
FIGURE 5. Scanning electron micrographs showing: a) male (mg) and female (fg) gonopores at maturity; b) A newly deposited fertilized egg, note its thin membrane with numerous minute pores (arrowheads) and its terminal delicate cord by which the egg is attached to the parent's venter (arrows); c) A higher magnification of (b) showing the thin membrane of the fertilized egg with some minute pores (arrowheads); d, e) One-week old embryo. Note the attachment organ (arrowheads).
FIGURE 4. Alboglossiphonia levis n in A new Alboglossiphonia species (Hirudinea: Glossiphoniidae) from Egypt: Description and life history data
FIGURE 4. Alboglossiphonia levis n. sp. Life cycle showing: Brooding parent with different developmental stages of progeny; a) Fertilized eggs newly deposited each of which individually attached to the parent's venter; b) The embryos became elongated and still attached to the parent's venter; c) After 10 days of laying eggs the hatchings (h) attached to the parent's venter by their posterior suckers (arrowheads); d) One-month old young showing: Eyes (e), digestive tract (dt). Note the undulating lateral edges of the brooding parent (arrows) in a, b) to make a respiratory current for the incubated embryos. Scale bar = 1 mm.
FIGURE 2. Alboglossiphonia levis n in A new Alboglossiphonia species (Hirudinea: Glossiphoniidae) from Egypt: Description and life history data
FIGURE 2. Alboglossiphonia levis n. sp. a) Dorsal dissection showing digestive system in situ; proboscis (pr), salivary cells (sc), esophagus (es), crop (cr), crop caeca (1–7), intestine (int), intestinal caeca (1–4), rectum (r), anus (a); b–f) Different ocular patterns, the normal pattern is (b).
FIGURE 1. Alboglossiphonia levis n in A new Alboglossiphonia species (Hirudinea: Glossiphoniidae) from Egypt: Description and life history data
FIGURE 1. Alboglossiphonia levis n. sp. a) A Dorsal view of a newly fed leech with its normal pigments; b) A fixed specimen (holotype) showing: anterior sucker (as), eyes (e), crop (cr), crop caeca (1–7), intestine (int), intestinal caeca (1–4), posterior sucker (ps). Note the nuchal constriction (arrows) in (b).
FIGURE 4 in A new species of Helobdella (Hirudinida: Glossiphoniidae) from Oregon, USA
FIGURE 4. Neighbor joining (NJ) tree based on the Jukes-Cantor (JC) model and bootstrap analysis with 1000 replicates of CO-I sequence data of Helobdella spp.
FIGURE 3 in A new species of Helobdella (Hirudinida: Glossiphoniidae) from Oregon, USA
FIGURE 3. Internal morphology of Helobdella bowermani n. sp. Paratype USNM 1225776, ventral view. A. Cleared and stained specimen, scale bar equals 1 mm B. Schematic drawing.
FIGURE 1 in A new species of Helobdella (Hirudinida: Glossiphoniidae) from Oregon, USA
FIGURE 1. Holotype (USNM 1213041) of Helobdella bowermani n. sp. A. Dorsal surface B. Dorsal surface with shadow to highlight dorsal medial row of papillae. Scale bar equals 2 mm (A, B).
FIGURE 2 in A new species of Helobdella (Hirudinida: Glossiphoniidae) from Oregon, USA
FIGURE 2. Ventral surface of Helobdella bowermani n. sp., Holotype USNM 1213041. Scale bar equals 2 mm.
FIGURE 7 in Placobdella akahkway n. sp. (Clitellata: Hirudinea: Glossiphoniidae), a new leech species from central Canada
FIGURE 7. Maximum likelihood tree based on the newly derived and GenBank COI sequences of Placobdella (lnL = - 7982.3955). All non-focal species-level taxa are collapsed when possible, with lone or non-collapsible tips showing GenBank accession numbers. Placobdella akahkway n. sp. is indicated within the green box, with new sequences indicated in bold. Maximum likelihood bootstrap support values are shown above each node and parsimony bootstrap support values below each node. 100% support values are indicated by squares for maximum likelihood and circles for parsimony. Asterisks indicate nodes not represented in the maximum parsimony tree.
FIGURE 6. Placobdella akahkway, n in Placobdella akahkway n. sp. (Clitellata: Hirudinea: Glossiphoniidae), a new leech species from central Canada
FIGURE 6. Placobdella akahkway, n. sp. reproductive systems showing the atrial cornuae (ac) and ejaculatory ducts (ed) of the male reproductive system, as well as the ovaries (ov) of the female reproductive system.
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OpenNeuro
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