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407 results for “Enchytraeida”
Fig. 1 in Global checklist of species of Grania (Clitellata: Enchytraeidae) with remarks on their geographic distribution
Fig. 1. Specimen of Grania chilensis Prantoni, De Wit & Erséus, 2016. Photograph by Pierre De Wit.
Fig. 2 in Global checklist of species of Grania (Clitellata: Enchytraeidae) with remarks on their geographic distribution
Fig. 2. World map showing the description localities, and the three evolutionary lineages (color-marked) of Grania spp. genetically analyzed by Prantoni et al. (2016: clades A, B and C). Green numbers = Atlantic species (clade A); red numbers = South Pacific and Atlantic species (clade B); blue numbers = Australian and Asian species (clade C); black numbers = species presently without molecular data, i.e., not yet allocated to any particular lineage.
Figure 8 in Five new species of Enchytraeidae (Annelida: Clitellata) from Mediterranean woodlands of Italy and reaffirmed validity of Achaeta etrusca, Fridericia bulbosa and F. miraflores
Figure 8. Fridericia bulbosa (Rosa, 1887) sensu stricto. (A) Anterior body segments (dorsal view); (B) lateral view of segments I–V. (C and D) Clitellum in dorsal (C) and ventrolateral views (D); the elliptical contour in (D) shows the midventral granular field behind the male pores; (E) chylus cells in segment XIV; (F) shallow dorsolateral view of segments IV–V, showing the conspicuous epidermal gland cells; (G) midventral close-up of clitellum revealing the I-shaped male slits and the granular field behind them (contour); (H) dorsal view of segments IV–VI, showing the bent tail of a peptonephridium, the spermathecae and the pharyngeal glands. I, coelomocytes. (A) to (D) from permanent whole-mounted specimens, (E) to (I) from live specimens. Anterior to the right, except in (G) and (H) where anterior is to the top.
Figure 1 in Five new species of Enchytraeidae (Annelida: Clitellata) from Mediterranean woodlands of Italy and reaffirmed validity of Achaeta etrusca, Fridericia bulbosa and F. miraflores
Figure 1. Achaeta borbonica sp. nov. (A) Anterior body half in a dorsal view. Note the intestinal loop in IX; (B) lateral view of segments IV–V, showing the right spermatheca; asterisks indicate the oesophageal dorsal ridge; (C) ventral view of segment V, revealing the closely spaced spermathecal pores; (D) sperm funnel in segment X; (E) lateral view of nephridium in segment VIII; (F) coelomic cavity of caudal segments (lateral view), showing the coarse granulation of the chloragogenous cells and the small size of coelomocytes as compared with the flask-shaped glands. (G and H) Lateral views of clitellum, in vivo (G) and after fixation (H). All except (H) from live specimens. In (A), (D) and (E) anterior to the top; in all others, anterior to the right.
Figure 3 in Five new species of Enchytraeidae (Annelida: Clitellata) from Mediterranean woodlands of Italy and reaffirmed validity of Achaeta etrusca, Fridericia bulbosa and F. miraflores
Figure 3. Achaeta giustii sp. nov. (A) Cephalic region (lateral view); (B) dorsolateral view of segments I–VIII, showing the well-developed pharyngeal glands; (C) dorsal view of clitellum. Note the granular cells bordering the middorsal interruption (dg); (D) shallow lateral view of body wall (segment IX), revealing the lozenge pattern of the longitudinal muscle fibres; (E) lateral view of clitellum, showing the reticulate pattern of the gland cells; (F) lateral view of same clitellum in a deeper optical section, documenting its midventral continuity and middorsal gap; (G) ectal portion of the spermatheca; (H) sperm funnel. All from permanent wholemounted specimens, anterior to the left.
Figure 7 in Five new species of Enchytraeidae (Annelida: Clitellata) from Mediterranean woodlands of Italy and reaffirmed validity of Achaeta etrusca, Fridericia bulbosa and F. miraflores
Figure 7. Fridericia meridiana sp. nov. (A) Anterior body segments (dorsal view). The white arrow points to the small spur of the last pharyngeal glands into VII; (B) clitellum (dorsal view); (C) male pores and midventral interruption of clitellum between and before them; (D) lateral view of clitellum and male opening after fixation; (E) coelomic cavity of segments XI–XII, showing the minute sperm funnel; (F) dorsolateral view of segments IV–V, showing first two pairs of pharyngeal glands and the right spermatheca; (G) coelomocytes; (H) peptonephridium. (A) and (D) from permanent whole-mounted specimens; all others from live specimens. In all, anterior to the right.
Figure 1 in A morphology-based identification key to the Cognettia species of the world (Clitellata: Enchytraeidae)
Figure 1. Morphological characters in Cognettia species. (A) C. ozensis, anterior part, lateral view, showing nephridium (ne), and pharyngeal glands with primary pharyngeal glands (ppg), secondary pharyngeal glands (spg) (modified from Torii 2015). (B) C. anomala anterior part, lateral view, showing pharyngeal glands with ventral lobes (vl) (modified from Černosvitov 1928). (C) C. floridae, spermatheca, with ectal swelling (es), and one chamber in the spermathecal ampulla (sa) (modified from Healy 1996). (D) C. glandulosa spermatheca of the standard Cogenttia-type, with an ectal gland (eg) and two chambers in the ampulla (modified from Martinsson et al. 2015a).
Fig. 6 in The Enchytraeid Fauna (Enchytraeidae, Clitellata) Of The Rax Mountain (Austria) With Description Of Two New Species And Comparison Of Fridericia Discifera Healy, 1975 And F. Alpica Sp. N.
Fig. 6. Maximum likelihood (ML) trees of studied Fridericia species based on the ITS region (A), CO1 (B) and H3 genes (C). Bootstrap values greater than 50 are shown at the nodes. Sequences from new species described here appear in bold. A = ML tree of the ITS region
Fig. 4 in The Enchytraeid Fauna (Enchytraeidae, Clitellata) Of The Rax Mountain (Austria) With Description Of Two New Species And Comparison Of Fridericia Discifera Healy, 1975 And F. Alpica Sp. N.
Fig. 4. Micrograph of Fridericia raxiensis sp. n. A = epidermal glands, B = clitellar glands dorsally (weakly developed), C = brain, D = second nephridium preclitellarly, E–F = coe- lomocytes, G = pharyngeal glands dorsal view (the additional ventral lobes in VII marked with arrows), H = chylus cells in XIV–XV of holotype, I = male copulatory organ (marked with white arrow) and the small subneural gland in XIII (marked with black arrow). (A–B, E in vivo, C–D, F–I fixed, stained; scale bars = 50 Μm)
Fig. 1 in The Enchytraeid Fauna (Enchytraeidae, Clitellata) Of The Rax Mountain (Austria) With Description Of Two New Species And Comparison Of Fridericia Discifera Healy, 1975 And F. Alpica Sp. N.
Fig. 1. Micrograph of Fridericia alpica sp. n. A = clitellar glands dorsally, B = clitellar glands ventrally, C–D = brain, E–F = pharyngeal glands (marked with white arrows, * = ventral
Fig. 4 in Extending The Geographic Distribution Of Bryodrilus Ehlersi (Annelida, Enchytraeidae): Morphological And Molecular Comparison Of Korean And European Specimens
Fig. 4. Bryodrilus species, maximum likelihood (ML) trees of the CO1 region (A), ITS (B) and H3 genes (C). Bootstrap values greater than 50 are shown at the nodes. Accession codes of sequences with collection information are given in Table 1. A = ML tree of the CO1 gene based on 606 nucleotide positions (Tamura-Nei model). B = ML tree of the ITS region based on 765 nucleotide positions (Tamura 3-parameter model). C = ML tree of the H3 gene based on 218 nucleotide positions (Tamura 3-parameter model). Scale bars, 0.05 substitutions per nucleotide position (except for H3, where the scale is 0.01). For B. ehlersi specimens, the abbreviation
Fig. 5 in Extending The Geographic Distribution Of Bryodrilus Ehlersi (Annelida, Enchytraeidae): Morphological And Molecular Comparison Of Korean And European Specimens
Fig. 5. Bryodrilus species, concatenated phylogenetic tree based on 1599 nucleotide positions (which comprised the CO1, H3 and ITS genetic markers). Bayesian posterior probabilities are shown at the nodes. Scale bar, 0.05 substitutions per nucleotide position. For B. ehlersi specimens, the abbreviation of sample origin is shown in brackets (KOR = Korea, HUN = Hungary)
Fig. 2 in Extending The Geographic Distribution Of Bryodrilus Ehlersi (Annelida, Enchytraeidae): Morphological And Molecular Comparison Of Korean And European Specimens
Fig. 2. Micrograph of Korean Bryodrilus cf. ehlersi. A = Bursal slits, ventral view (marked with arrows). B = Male copulatory apparate (penial bulbs, marked with arrows). C–G = Sperm funnels. H–K = Spermathecae, dorsal view (marked with arrows, p1–p3 = pharyngeal glands). L–M = Ectal glands of spermathecae, lateral view (marked with arrows). (A, C–E, H–J, L in vivo; B, F–G, K, M fixed, stained. Scale bars: 50 μm)
Fig. 1 in Extending The Geographic Distribution Of Bryodrilus Ehlersi (Annelida, Enchytraeidae): Morphological And Molecular Comparison Of Korean And European Specimens
Fig. 1. Micrograph of Korean Bryodrilus cf. ehlersi. A–B = Brain. C = Head pore (marked with arrow). D = Epidermal gland cells. E–F = Clitellar gland cells, dorsal view. G = Clitellar gland cells, ventral view (penial bulbs marked with arrows). H = Coelomocytes (marked
Figs 7–9 in Achaeta Antefolliculata Sp. N., A New Enchytraeid Species (Oligochaeta, Enchytraeidae) From The Rock Grassland Of The Sas-Hegy In Hungary
Figs 7–9. Achaeta antefolliculata sp. n. (photographs of stained whole mounts): 7 = segments 0–VII of the holotype epidermal follicles marked with arrows, 8 = anterior segments, dorsal view, follicles marked with arrow, b = brain, 9 = segments IV–VI, dorso-lateral view; arrow: spermatheca, pg = pri-
Figs 1–6 in Achaeta Antefolliculata Sp. N., A New Enchytraeid Species (Oligochaeta, Enchytraeidae) From The Rock Grassland Of The Sas-Hegy In Hungary
Figs 1–6. Achaeta antefolliculata sp. n.: 1 = anterior segments (0–VIII) dorsal view (a = oesophageal appendages, b = brain, c = chloragogen cells, dv = dorsal vessel, f = epidermal follicles, n = nephridia, oe = oesophagus, pg = primary pharyngeal glands, ph = pharynx, s = spermatheca, spg = secondary pharyngeal gland), 2 = brain, 3 = spermatheca, 4 = coelomocytes (oblique and upper view), 5 =
Figs 10–13 in Achaeta Antefolliculata Sp. N., A New Enchytraeid Species (Oligochaeta, Enchytraeidae) From The Rock Grassland Of The Sas-Hegy In Hungary
Figs 10–13. Achaeta antefolliculata sp. n. (photographs of stained whole mounts): 10 = male copulatory organ (penial bulb and glands), lateral view (marked with arrow), 11 = male copulatory organ, ventro-lateral view (marked with arrow), and the granular gland cells of clitellum in rows, 12 = sperm
Fig. 1. Fridericia glandifera. A in New record of three aquatic species of Enchytraeidae (Annelida: Clitellata) from Korea
Fig. 1. Fridericia glandifera. A. shape of brain; B. a ventral chaetal bundle; C. clitellum; D. oesophageal appendages; E. spermatheca (Scale bars: A, B = 10 μm, E, F = 20 μm, H-J = 10 μm).
Fig. 9. Marionina argentea. A in New descriptions of enchytraeid species (Clitellata: Enchytraeidae) from Korea
Fig. 9. Marionina argentea. A. Pharyngeal glands (schematic); B. Brain; C. Sperm funnel; D. Coelomocytes; E. Spermathecae. Scale bars: 50 μm.
Fig. 7 in New descriptions of enchytraeid species (Clitellata: Enchytraeidae) from Korea
Fig. 7. Micrographs of Henlea perpusilla. A. Head pore (marked with arrow) and epidermal glands; B. Gut widening abruptly in segment VIII (dorsal blood vessel marked with arrow); C. Coelomocytes; D. Sperm funnels (marked with arrows); E. Spermathecae (marked with arrows), first and secondary pharyngeal glands (p). All micrograph in vivo. Scale bars: 50 μm.
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