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9 results for “Pararhynchelmis”
FIGURE 9. Pararhynchelmis murdocki n in New southeastern Nearctic Rhynchelmis (Rhynchelmoides) species and the description of Pararhynchelmis n. gen. (Annelida: Clitellata: Lumbriculidae)
FIGURE 9. Pararhynchelmis murdocki n. sp. from Big Spring, Peaks of Otter. (A) transverse section in III, showing pharynx. (B) spermatheca, from a transverse section. (C) spermatheca, from a sagittal section. (D) transverse section in VIII, showing junction of spermathecae with gut. (E) transverse section in X, showing male pores and atria. (F) sagittal section of male pore in X, with extended penis. (G–H) atrial duct and male pore in X with penis retracted, transverse sections. (I) sagittal section of male pore in X, with extended penis. (J) atrial ampulla with prostates and embedded vas deferens in XI, sagittal section. (K) vas deferens approaching atrial ampulla, from a sagittal section. (L), atrial ampulla, from a sagittal section. Scale bars = 100 μm.
FIGURE 3 in New southeastern Nearctic Rhynchelmis (Rhynchelmoides) species and the description of Pararhynchelmis n. gen. (Annelida: Clitellata: Lumbriculidae)
FIGURE 3. Rhynchelmis (Rhynchelmoides) bolinensis n. sp., from seep at Pokeberry Creek, photographs of sections. (A) spermatheca in VIII, from a transverse section. (B) spermathecal ampulla from a sagittal section. (C) spermathecal duct and pore. (D) dorsal loop of nephridial duct, from a transverse section. (E) male pore and accessory glands in X, from a transverse section. (F–G) detail of male pore from transverse sections. (H) transition from muscular, ectal portion to prostate-covered, ental portions of atrium at 10/11; from a sagittal section. (I) ectal, muscular portion of atrium, from a sagittal section. (J) ental, prostate-covered portion of atrium, from a sagittal section. (K–N) atrium and vas deferens from transverse sections: in X (K), at 10/11 (L), in XII (M), at ental end (N). Scale bars = 100 μm.
FIGURE 1 in New southeastern Nearctic Rhynchelmis (Rhynchelmoides) species and the description of Pararhynchelmis n. gen. (Annelida: Clitellata: Lumbriculidae)
FIGURE 1. Rhynchelmis (Rhynchelmoides) bolinensis n. sp. A–B, D from seep by Pokeberry Creek, Chatham County, North Carolina; C from Beech Swamp, Halifax County, North Carolina. (A–C) drawings of whole worms. (D) chaeta pairs, from top to bottom: a ventral pair in VI, a dorsal pair in VI, and a pair from about the posterior ¼ of the worm. Scale bars: A–C = 2 mm; D = 200 μm.
FIGURE 6 in New southeastern Nearctic Rhynchelmis (Rhynchelmoides) species and the description of Pararhynchelmis n. gen. (Annelida: Clitellata: Lumbriculidae)
FIGURE 6. Rhynchelmis (Rhynchelmoides) croatanensis n. sp., from seep at Pettiford Creek, photographs of sections. (A) spermathecal duct and pore in VIII, from a sagittal section. (B) spermathecal ampulla in VIII, from a sagittal section. (C) atrial duct and male pore in IX, from a sagittal section. (D–E) male pores from transverse sections. (F) ectal end of atrium, from a sagittal section. (G–L) atrium and vas deferens from transverse sections: distended, ectal end in IX (G), in X (H), in XIV (I), beginning of prostate-covered portion in XVI (J), middle of prostate-covered portion in XIX (K), at ental end (L). Scale bars = 100 μm.
FIGURE 4 in New southeastern Nearctic Rhynchelmis (Rhynchelmoides) species and the description of Pararhynchelmis n. gen. (Annelida: Clitellata: Lumbriculidae)
FIGURE 4. Rhynchelmis (Rhynchelmoides) croatanensis n. sp., unmounted worms from seep at Pettiford Creek, Carteret County, North Carolina. (A–B) ventrolateral and ventral views of mature worms. (C) ventral view of genital pores of a partially-mature worm. (D) chaeta pairs, from top to bottom: a ventral pair in VII, a dorsal pair in VII, and a pair from about the posterior ¼ of the worm. Scale bars: A–C = 2 mm; D = 200 μm.
FIGURE 8. Pararhynchelmis murdocki n in New southeastern Nearctic Rhynchelmis (Rhynchelmoides) species and the description of Pararhynchelmis n. gen. (Annelida: Clitellata: Lumbriculidae)
FIGURE 8. Pararhynchelmis murdocki n. sp. from Big Spring, Peaks of Otter. (A) reproductive organs, lateral view, from a whole mounted worm. (B) spermathecae, reconstructed from transverse sections. (C) male reproductive structures, sagittal view in X–XI. (D) male pores and atria, reconstructed from transverse sections. (E) a nephridium in VII. Scale bars = 200 μm.
FIGURE 7. Pararhynchelmis murdocki n in New southeastern Nearctic Rhynchelmis (Rhynchelmoides) species and the description of Pararhynchelmis n. gen. (Annelida: Clitellata: Lumbriculidae)
FIGURE 7. Pararhynchelmis murdocki n. sp. from Big Spring, Peaks of Otter, Amherst County, Virginia. (A) anterior ends of three unmounted specimens, showing male and spermathecal pores. (B) a whole, unmounted worm. (C) a ventral chaeta pair from VI. Scale bars: A–B = 1 mm; C = 100 μm.
FIGURE 2 in New southeastern Nearctic Rhynchelmis (Rhynchelmoides) species and the description of Pararhynchelmis n. gen. (Annelida: Clitellata: Lumbriculidae)
FIGURE 2. Rhynchelmis (Rhynchelmoides) bolinensis n. sp., drawing of reproductive organs. A–B, E–F from seep at Pokeberry Creek; C–D, from Beech Swamp. (A) spermatheca and atrium in segments VIII–XVIII. (B) detail of spermatheca and ectal end of atrium in VIII–X. (C) spermatheca. (D) everted penis. (E) spermathecae in VIII, reconstructed from sections. (F) atria and male pores in X, reconstructed from sections. Arrows indicate position of the chaetal bundles in E–F. Scale bars = 500 μm.
FIGURE 5 in New southeastern Nearctic Rhynchelmis (Rhynchelmoides) species and the description of Pararhynchelmis n. gen. (Annelida: Clitellata: Lumbriculidae)
FIGURE 5. Rhynchelmis (Rhynchelmoides) croatanensis n. sp., from seep at Pettiford Creek, drawings of reproductive organs. (A) spermatheca and atrium in segments VIII–XXII. (B) detail of spermatheca and ectal end of atrium in VIII– XII. (C) spermathecae in VIII, reconstructed from sections. (D) atria and male pores in IX, reconstructed from sections. Arrows indicate position of the chaetal bundles in C–D. Scale bars = 500 μm.
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