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29 results for “Levinsenia”
FIGURE 4 in Taking a closer look: an SEM review of Levinsenia species (Polychaeta: Paraonidae) reported from California
FIGURE 4. Levinsenia multibranchiata (Hartman, 1957), paratype AHF-LACM POLY 648, adult: (A) prostomium with palpode, nuchal organs, dorsal view; (B) branchial region, dorsal view; (C) notopodial glandular pores, lateral view; (D) acicular neurochaetae with fibrils, lateral view. Abbreviations: no, nuchal organ; pa, palpode; pl, post-chaetal lobe; sp, sensory pores. Scale bars: A, 100 µm; B, 300 µm; C, 20 µm; D, 30 µm.
FIGURE 7. A–G in Taking a closer look: an SEM review of Levinsenia species (Polychaeta: Paraonidae) reported from California
FIGURE 7. A–G, Levinsenia spp. methyl green staining patterns: A, L. gracilis California specimen; B, L. gracilis Sweden specimen; C, L. kirbyorum; D, L. multibranchiata; E, F, L. oculata; G, L. barwicki n. sp.; H, L. kirbyorum, posterior neuropodial fascicle.
FIGURE 21. Levinsenia vulgaris n in Levinsenia species (Annelida: Polychaeta: Paraonidae) from the Sea of Marmara with descriptions of two new species
FIGURE 21. Levinsenia vulgaris n. sp. (ESFM-POL/2013-1181, paratype). A, Dorso-lateral side of prostomuim with a cheek organ; B, Cheek organ in retracted position; C, D, Lateral view of prostomuim with a cheek organ and nuchal organ. Scale bar: A, 79 µm; B, 7 µm; C, 70 µm; D, 23 µm. Abbreviations: cho, cheek organ; ep, eversible palpode; no, nuchal organ.
FIGURE 22. Levinsenia vulgaris n in Levinsenia species (Annelida: Polychaeta: Paraonidae) from the Sea of Marmara with descriptions of two new species
FIGURE 22. Levinsenia vulgaris n. sp. (ESFM-POL/2013-1185, paratype). A, Dorso-lateral view of middle branchial region; B, First notopodium with notopodial postchaetal lobe and lateral sense organ; C, Dorsal view of branchial chaetigers, dorsal ciliary band and second dorsal ciliary band; D, Second branchial pair with notopodial postchaetal lobe emerging on branchia; E, Parapodium from middle branchial region with notopodial postchaetal lobe and lateral sense organ. Scale bar: A, 56 µm; B, 6 µm; C, 57 µm; D, 36 µm; E, 1 µm. Abbreviations: ant; anterior region; bran, branchiae; dcb, dorsal ciliary band; dlip, dorsolateral irregular pores; lso, lateral sense organ; ntpcl, notopodial postchaetal lobe; post, posterior region; sdcb, second dorsal ciliary band.
FIGURE 20. Levinsenia vulgaris n in Levinsenia species (Annelida: Polychaeta: Paraonidae) from the Sea of Marmara with descriptions of two new species
FIGURE 20. Levinsenia vulgaris n. sp. A, General view of body (ESFM-POL/2013-1185, paratype); B, Dorsal view of anterior end of body (ESFM-POL/2013-1186, paratype); C, General view of body, male specimen with red colour patterns on dorsal side of body (ESFM-POL/2016-44, paratype); D, Ventral view of prostomium and first two chaetigers (ESFM-POL/2013-1186); E, Modified neurochaetae from chaetiger 58, paratype (ESFM-POL/2013-1186); F, Modified neurochaeta from chaetiger 62, holotype; G, Modified neurochaetae from chaetiger 60, paratype (ESFM-POL/2013-1186); H, Posterior chaetigers in moniliform shape with sperm masses and red colour patterns (ESFM-POL/2016-44). Scale bar: A, 735 µm; B, 267 µm; C, 378 µm; D, 87 µm; E, 38 µm; F, 37 µm; G, 60 µm; H, 186 µm. Abbreviation: ntpcl, notopodial postchaetal lobe.
FIGURE 18. Levinsenia longobranchiata n in Levinsenia species (Annelida: Polychaeta: Paraonidae) from the Sea of Marmara with descriptions of two new species
FIGURE 18. Levinsenia longobranchiata n. sp. (paratype, ESFM-POL/2013-1043). A, General view of body; B, Parapodium from posterior region with lateral sense organ, notopodial postchaetal lobe and modified neurochaeta; C, D, E, Modified neurochaetae from posterior chaetigers. Scale bar: A, 170 µm; B, 13 µm; C, 12 µm; D, 3 µm; E, 4 µm. Abbreviations: lso, lateral sense organ; ntpcl, notopodial postchaetal lobe.
FIGURE 19. Levinsenia vulgaris n in Levinsenia species (Annelida: Polychaeta: Paraonidae) from the Sea of Marmara with descriptions of two new species
FIGURE 19. Levinsenia vulgaris n. sp. A, General view of body, holotype (ESFM-POL/2013-1380); B, Anterio-dorsal view of body, paratype (ESFM-POL/2013-1186); C, Modified neurochaeta from posterior chaetiger, holotype (ESFM-POL/2013-1186). Scale bar: A, 272 µm; B, 125 µm; C, 17 µm.
FIGURE 17. Levinsenia longobranchiata n in Levinsenia species (Annelida: Polychaeta: Paraonidae) from the Sea of Marmara with descriptions of two new species
FIGURE 17. Levinsenia longobranchiata n. sp. (paratype, ESFM-POL/2013-1043). A, Lateral view of prostomium and first chaetigers; B, First three chaetigers without notopodial postchaetal lobes; C, Middle branchial chaetiger, with notopodial postchaetal lobe emerging on branchia; D, Branchia from middle branchial region, with notopodial postchaetal lobe. Scale bar: A, 42 µm; B, 80 µm; C, 38 µm; D, 35 µm. Abbreviations: bran, branchiae; cho, cheek organ; lso, lateral sense organ; no, nuchal organ; ntpcl, notopodial postchaetal lobe; sdcb, short dorsal ciliary band.
FIGURE 16. Levinsenia longobranchiata n in Levinsenia species (Annelida: Polychaeta: Paraonidae) from the Sea of Marmara with descriptions of two new species
FIGURE 16. Levinsenia longobranchiata n. sp. A, General view of body, holotype (ESFM-POL/2013-1030); B, Dorsal view of anterior part of body, with retractile cheek organ and palpode, stained with Shirlastain-A, paratype (ESFM-POL/2013-1043); C, Notopodial postchaetal lobe from chaetiger 8, paratype (ESFM-POL/2013-1043); D, Branchiae from middle part of branchial region, arrow pointing to unidentified parasites, stained with Shirlastain-A, paratype (ESFM-POL/2013-1043); E, Parapodium from a posterior chaetiger with notopodial postchaetal lobe and modified neurochaetae, paratype, (ESFM-POL/2013-1043); F, Modified neurochaeta from chaetiger 52, paratype (ESFM-POL/2013-1043); G, Modified neurochaetae from chaetiger 61, paratype (ESFM-POL/2013-1043). Scale bar: A, 500 µm; B, 90 µm; C, 25 µm; D, 60 µm; E, 30 µm; F, 12 µm; G, 18 µm. Abbreviations: cho, cheek organ; ep, eversible palpode; ntpcl, notopodial postchaetal lobe.
FIGURE 14 in Levinsenia species (Annelida: Polychaeta: Paraonidae) from the Sea of Marmara with descriptions of two new species
FIGURE 14. Levinsenia tribranchiata (ESFM-POL/2013-1171). A, B, Antero-lateral view of branchial chaetigers; C, Notopodium of first chaetiger with lateral sense organ and notopodial postchaetal lobe; D, First branchial chaetiger with lateral sense organ and notopodial postchaetal lobe emerging on branchia; E, Parapodium from a posterior chaetiger with modified neurochaetae, lateral sense organ and notopodial postchaetal lobe. Scale bar: A, 71 µm; B, 38 µm; C, 13 µm; D, 14 µm; E, 10 µm. Abbreviations: ant, anterior; bran, branchiae; lso, lateral sense organ; ntpcl, notopodial postchaetal lobe; mneuc, modified neurochaetae; post, posterior.
FIGURE 15. Levinsenia longobranchiata n in Levinsenia species (Annelida: Polychaeta: Paraonidae) from the Sea of Marmara with descriptions of two new species
FIGURE 15. Levinsenia longobranchiata n. sp. A, Anterio-lateral view, holotype (ESFM-POL/2013-1030); B, Anterio-dorsal view, paratype (ESFM-POL/2013-1043); C, Anterio-ventral view, paratype (ESFM-POL/2013-1043); D, Modified neurochaeta from chaetiger 42, holotype (ESFM-POL/2013-1030). Scale bar: A, 294 µm; B, 178 µm; C, 26 µm; D, 28 µm.
FIGURE 11 in Levinsenia species (Annelida: Polychaeta: Paraonidae) from the Sea of Marmara with descriptions of two new species
FIGURE 11. Levinsenia materi (ESFM-POL/2013-1111). A, Lateral view of first two branchial chaetigers; B, Lateral view of second branchial chaetiger, with notopodial postchaetal lob emerging on branchiae; C, Lateral view of middle branchial region; D, Parapodium from posterior region with modified neurochaetae, notopodial postchaetal lobe and lateral sense organ. Scale bar: A, 51 µm; B, 16 µm; C, 42 µm; D, 19 µm. Abbreviations: ant, anterior region; bran, branchiae; lso, lateral sense organ; ntpcl, notopodial postchaetal lobe; post, posterior region.
FIGURE 13 in Levinsenia species (Annelida: Polychaeta: Paraonidae) from the Sea of Marmara with descriptions of two new species
FIGURE 13. Levinsenia tribranchiata (ESFM-POL/2013-1171). A, Dorsal view of prostomium and first chaetiger; B, Ventral view of prostomium and first chaetiger with a ciliated proboscis; C, Ventral view of prostomium and first chaetiger with ciliary slits on anterior lips (csal); D, Lateral view of prostomium with lateral organ, nuchal organ and eversible palpode; E, Lateral organ on lateral side of prostomium. Scale bar: A, 52 µm; B, 87 µm; C, 63 µm; D, 40 µm; E, 7 µm. Abbreviations: csal, ciliary slits of anterior lips; ep, eversible palpode; lo, lateral organ; no, nuchal organ.
FIGURE 12 in Levinsenia species (Annelida: Polychaeta: Paraonidae) from the Sea of Marmara with descriptions of two new species
FIGURE 12. Levinsenia tribranchiata (ESFM-POL/2013-1175). A, General view of body, stained with Shirlastain-A; B, Dorsal view of anterior part of body, stained with Shirlastain-A; C, Modified neurochaeta from posterior chaetiger. Scale bar: A, 575 µm; B, 240 µm; C, 34 µm.
FIGURE 10 in Levinsenia species (Annelida: Polychaeta: Paraonidae) from the Sea of Marmara with descriptions of two new species
FIGURE 10. Levinsenia materi (ESFM-POL/2013-1111). A, Lateral view of anterior end of body; B, Anterio-dorsal view of prostomium and first chaetigers; C, Lateral view of prostomium; D, Ciliated patch on lateral sides of prostomium. Scale bar: A, 293 µm; B, 152 µm; C, 72 µm; D, 11 µm. Abbreviations: a, annulation; cp, ciliated patch; no, nuchal organ.
FIGURE 6 in Levinsenia species (Annelida: Polychaeta: Paraonidae) from the Sea of Marmara with descriptions of two new species
FIGURE 6. Levinsenia kosswigi (ESFM-POL/2013-79). A, Lateral view of lobate proboscis; B, Dorsal view of middle branchial chaetigers; C, Notopodial postchaetal lobe emerging on branchia in middle branchial chaetiger; D, Lateral sense organ on posterior chaetiger; E, Parapodium from posterior region with modified neurochaetae, notopodial postchaetal lobe and lateral sense organ. Scale bar: A, 58 µm; B, 84 µm; C, 27 µm; D, 4 µm; E, 37 µm. Abbreviations: ant, anterior region; cho, cheek organ; bran, branchia; lso, lateral sense organ; ntpcl, notopodial postchaetal lobe; post, posterior region; prob, proboscis.
FIGURE 2 in Levinsenia species (Annelida: Polychaeta: Paraonidae) from the Sea of Marmara with descriptions of two new species
FIGURE 2. Levinsenia demiri (ESFM-POL/2013-1086). A, General view of body with a delicate black tube; B, Lateral view of anterior end; C, Modified neurochaeta from chaetiger 30. Scale bar: A, 550 µm; B, 134 µm; C, 15 µm.
FIGURE 9 in Levinsenia species (Annelida: Polychaeta: Paraonidae) from the Sea of Marmara with descriptions of two new species
FIGURE 9. Levinsenia materi (ESFM-POL/2013-1113). A, General view of body with a black tube; B, Later view of anterior end of body; C, Modified neurochaetae from posterior chaetiger. Scale bar: A, 500 µm; B, 261 µm; C, 14 µm. Abbreviation: sp, sperm packages within coelomic cavity.
FIGURE 8 in Levinsenia species (Annelida: Polychaeta: Paraonidae) from the Sea of Marmara with descriptions of two new species
FIGURE 8. Levinsenia marmarensis (ESFM-POL/2013-1177). A, Dorsal view of anterior end of body; B, Anterio-dorsal view of prostomium and first chaetigers; C, Anterio-dorsal view of lateral part of prostomium, arrow pointing the bulge on posteriolateral side of prostomium; D, Anterio-ventral view of lateral part of prostomium, left arrow pointing the bulge on posterio-lateral side of prostomium; E, First three branchial chaetigers; F, Modified neurochaetae from posterior chaetiger; G, Notopodium from first chaetiger with lateral sense organ; H, Notopodium from middle branchial chaetiger with notopodial postchaetal lobe, lateral sense organ and dorso-lateral irregular pores. Scale bar: A, 128 µm; B, 37 µm; C, 33 µm; D, µm 46; E, 40 µm; F, 12 µm; G, 11 µm; H, 20 µm. Abbreviations: ant, anterior region; bran, branchia; dlip, dorso-lateral irregular pores; lso, lateral sense organ; csal, ciliary slits of anterior lips; ntpcl, notopodial postchaetal lobe; post, posterior region.
FIGURE 5 in Levinsenia species (Annelida: Polychaeta: Paraonidae) from the Sea of Marmara with descriptions of two new species
FIGURE 5. Levinsenia kosswigi (ESFM-POL/2013-1140). A, General view of anterior end with a black, delicate tube; B, Anterio-lateral view of prostomium and first two chaetigers with a lobate proboscis; C, Modified neurochaetae from a posterior chaetiger. Scale bar: A, 884 µm; B, 156 µm; C, 41 µm. Abbrevation: a, annulation.
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