1,721,085 research outputs found
New species of Rhyacodrilus (Annelida: Clitellata: Rhyacodrilinae) of North America, with re-description of R. sodalis (Eisen, 1879)
Rodriguez, Pilar, Fend, Steven V. (2013): New species of Rhyacodrilus (Annelida: Clitellata: Rhyacodrilinae) of North America, with re-description of R. sodalis (Eisen, 1879). Zootaxa 3664 (1): 1-44, DOI: 10.11646/zootaxa.3664.1.
New Nearctic Eremidrilus species (Clitellata: Lumbriculidae). Part 2, western species with one spermathecal segment
Rodriguez, Pilar, Fend, Steven V. (2022): New Nearctic Eremidrilus species (Clitellata: Lumbriculidae). Part 2, western species with one spermathecal segment. Zootaxa 5159 (2): 245-264, DOI: 10.11646/zootaxa.5159.2.
FIGURE 7 in New Nearctic Eremidrilus species (Clitellata: Lumbriculidae). Part 2, western species with one spermathecal segment
FIGURE 7. Comparative schematic drawings of the reproductive segments in the Eremidrilus species having one pair of spermathecae. Dashed line represents the lateral line; arrows indicate diagnostic characters.Published as part of Rodriguez, Pilar & Fend, Steven V., 2022, New Nearctic Eremidrilus species (Clitellata: Lumbriculidae). Part 2, western species with one spermathecal segment, pp. 245-264 in Zootaxa 5159 (2) on page 257, DOI: 10.11646/zootaxa.5159.2.4, http://zenodo.org/record/677713
FIGURE 1 in New species of aquatic oligochaetes (Annelida: Clitellata) from tufa barriers in Croatia
FIGURE 1. Study area. Abbreviations: RS, Roški slap; Krka NP, Krka National Park.Published as part of Rodriguez, Pilar, Vučković, Natalija & Kerovec, Mladen, 2020, New species of aquatic oligochaetes (Annelida: Clitellata) from tufa barriers in Croatia, pp. 442-460 in Zootaxa 4758 (3) on page 443, DOI: 10.11646/zootaxa.4758.3.2, http://zenodo.org/record/373466
FIGURE 3. Aberrantidrilus mihaljevici n in New species of aquatic oligochaetes (Annelida: Clitellata) from tufa barriers in Croatia
FIGURE 3. Aberrantidrilus mihaljevici n. sp. Schema of the reproductive segments.Published as part of Rodriguez, Pilar, Vučković, Natalija & Kerovec, Mladen, 2020, New species of aquatic oligochaetes (Annelida: Clitellata) from tufa barriers in Croatia, pp. 442-460 in Zootaxa 4758 (3) on page 446, DOI: 10.11646/zootaxa.4758.3.2, http://zenodo.org/record/373466
FIGURE 8 in New species of aquatic oligochaetes (Annelida: Clitellata) from groundwaters in karstic areas of northern Spain, with taxonomic remarks on Lophochaeta ignota Štolc, 1886
FIGURE 8. Lophochaeta ignota Štolc, 1886. A: general diagram of the male duct. X and XI: segment number; B: detail of the penial sac; C: male duct of incompletely mature specimen. Abbreviations: a: atrium, aa: atrial ampulla, cps: cuticular penial sheath, jpg: junction of the prostate gland, mp: male pore, ms: muscular strands, p: penis, pg: prostate gland, ps: penial sac, vd: vas deferens.Published as part of Rodriguez, Pilar & Achurra, Ainara, 2010, New species of aquatic oligochaetes (Annelida: Clitellata) from groundwaters in karstic areas of northern Spain, with taxonomic remarks on Lophochaeta ignota Štolc, 1886, pp. 21-39 in Zootaxa 2332 on page 33, DOI: 10.5281/zenodo.19311
FIGURE 8 in New species of aquatic oligochaetes (Annelida: Clitellata) from groundwaters in karstic areas of northern Spain, with taxonomic remarks on Lophochaeta ignota Štolc, 1886
FIGURE 8. Lophochaeta ignota Štolc, 1886. A: general diagram of the male duct. X and XI: segment number; B: detail of the penial sac; C: male duct of incompletely mature specimen. Abbreviations: a: atrium, aa: atrial ampulla, cps: cuticular penial sheath, jpg: junction of the prostate gland, mp: male pore, ms: muscular strands, p: penis, pg: prostate gland, ps: penial sac, vd: vas deferens.Published as part of Rodriguez, Pilar & Achurra, Ainara, 2010, New species of aquatic oligochaetes (Annelida: Clitellata) from groundwaters in karstic areas of northern Spain, with taxonomic remarks on Lophochaeta ignota Štolc, 1886, pp. 21-39 in Zootaxa 2332 on page 33, DOI: 10.5281/zenodo.19311
FIGURE 4. Eremidrilus humboldti n in New Eremidrilus species (Clitellata: Lumbriculidae) from western North America Part 1, species with two spermathecal segments
FIGURE 4. Eremidrilus humboldti n. sp. from Corral Creek A. Porophore with male pore from a whole mount. B. Atrium photographed at different focal plane of the same preparation in A. C. Atrium showing apical junction of vas deferens. D. Spermatheca in XII, ampulla extending into XIII, from a whole mount. E. Spermatheca, showing ampulla and duct (insert, in a separate plane). F. Spermathecal duct, detail, from a whole mount.Published as part of Fend, Steven & Rodriguez, Pilar, 2020, New Eremidrilus species (Clitellata: Lumbriculidae) from western North America Part 1, species with two spermathecal segments, pp. 111-131 in Zootaxa 4809 (1) on page 118, DOI: 10.11646/zootaxa.4809.1.6, http://zenodo.org/record/393398
FIGURE 2. Eremidrilus n in New Nearctic Eremidrilus species (Clitellata: Lumbriculidae). Part 2, western species with one spermathecal segment
FIGURE 2. Eremidrilus n. spp. Drawings of whole mounted anterior ends, and representative chaetae pairs (left: dorsal, right: ventral) in middle segments of the 3 new species. A, D. E. chalonensis. B, E. E. pinedai. C, F. E. owyhee. (A–D, drawn from type specimens.)Published as part of Rodriguez, Pilar & Fend, Steven V., 2022, New Nearctic Eremidrilus species (Clitellata: Lumbriculidae). Part 2, western species with one spermathecal segment, pp. 245-264 in Zootaxa 5159 (2) on page 248, DOI: 10.11646/zootaxa.5159.2.4, http://zenodo.org/record/677713
FIGURE 5. Eremidrilus pinedai n in New Nearctic Eremidrilus species (Clitellata: Lumbriculidae). Part 2, western species with one spermathecal segment
FIGURE 5. Eremidrilus pinedai n. sp. A. Clitellum. B, C. Atrium. D. Transverse section showing the male pore at the porophore. E. Atrium and sperm funnel. F. Spermatheca and female funnel. G. A variety of diatoms in the digestive track of the worms. (A, C, whole mount of paratype; B, D–F histological sections of paratypes; G, whole mounts from individuals in type locality. All scales are 50 µm.)Published as part of Rodriguez, Pilar & Fend, Steven V., 2022, New Nearctic Eremidrilus species (Clitellata: Lumbriculidae). Part 2, western species with one spermathecal segment, pp. 245-264 in Zootaxa 5159 (2) on page 253, DOI: 10.11646/zootaxa.5159.2.4, http://zenodo.org/record/677713
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