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29 results for “Levinsenia”
FIGURE 4 in Levinsenia species (Annelida: Polychaeta: Paraonidae) from the Sea of Marmara with descriptions of two new species
FIGURE 4. Levinsenia demiri (ESFM-POL/2013-1102). A, Antero-lateral view of prostomium; B, Lateral view of chaetigers 2 and 3 with limbate chaetae; C, Parapodium from posterior chaetiger with notopodial postchaetal lobe, capilary chaetae and modified neurochaetae. Scale bar: A, 50 µm; B, 25 µm; C, 13 µm. Abbrevations: cc, capilar chaeta; lc, limbate chaeta; lso, lateral sense organ; mnc, modified neurochaetae; ntpcl, notopodial postchaetal lobe.
FIGURE 3 in Levinsenia species (Annelida: Polychaeta: Paraonidae) from the Sea of Marmara with descriptions of two new species
FIGURE 3. Levinsenia demiri (ESFM-POL/2013-1102). A, Ventral view of prostomium and peristomium; B, Ventro-lateral view of prostomium and peristomium; C, Ciliary slit on anterior lip; D, Lateral sense organ from branchial region; E, Lateral view of chaetigers 4–6; F, Dorsal view of branchial chaetigers. Scale bar: A, 44 µm; B, 45 µm; C, 11 µm; D, 2 µm; E, 59 µm; F, 57 µm. Abbrevations: csal, ciliary slit; dcb, dorsal ciliary band; dlip, dorso-lateral irregular pores; ep, eversible palpode; lso, lateral sense organ; ntpcl, notopodial postchaetal lobe; sdcb, second dorsal ciliary band.
FIGURE 7 in Levinsenia species (Annelida: Polychaeta: Paraonidae) from the Sea of Marmara with descriptions of two new species
FIGURE 7. Levinsenia marmarensis (ESFM-POL/2013-1175). A, Dorsal view of anterior end of body, stained with Shirlastain- A; B, Modified neurochaeta from chaetiger 70. Scale bar: A, 363 µm; B, 22 µm.
FIGURE 1 in Levinsenia species (Annelida: Polychaeta: Paraonidae) from the Sea of Marmara with descriptions of two new species
FIGURE 1. The map of sampling area with stations.
FIGURE 6. Levinsenia barwicki n in Taking a closer look: an SEM review of Levinsenia species (Polychaeta: Paraonidae) reported from California
FIGURE 6. Levinsenia barwicki n. sp., adult, holotype (AHF-LACM POLY 12590): (A) prostomium, lateral view; (B) prostomium, ventro-lateral view; (C) truncate, ciliated branchiae, lateral view; (D) transverse ciliary bands between branchiae, dorsal view; (E) hooded acicular spines, lateral view; (F) posterior fascicles with pygidium showing long capillary chaetae and acicular spines, lateral view. Abbreviations: *, lateral peristomial cilia patches; ac, anal cirri; ci, cilia; no, nuchal organ; pa, palpode. Scale bars: A, 50 µm; B, 50 µm; C, 200 µm; D, 100 µm; E, 5 µm; F, 100 µm.
FIGURE 1 in Taking a closer look: an SEM review of Levinsenia species (Polychaeta: Paraonidae) reported from California
FIGURE 1. Levinsenia gracilis (Tauber, 1879), adult, California specimen: (A) prostomium with palpode, nuchal organs, dorsal view; (B) anterior body with branchiae, lateral view; (C) transverse ciliary bands between branchiae, dorsal view; (D) notopodial glandular pores, acicular neurochaetae with fibrils, lateral view. Abbreviations: ci, cilia; no, nuchal organ; pl, post-chaetal lobe; so, palpode sensory organ; sp, sensory pores. Scale bars: A, 50 µm; B, 300 µm; C, 100 µm; D, 15 µm.
FIGURE 3. Levinsenia kirbyorum Lovell, 2002 in Taking a closer look: an SEM review of Levinsenia species (Polychaeta: Paraonidae) reported from California
FIGURE 3. Levinsenia kirbyorum Lovell, 2002, adult: (A) prostomium with palpode, nuchal organs, dorsal view; (B) transverse ciliary bands between branchiae, dorsal view; (C) notopodial glandular pores, lateral view; (D) posterior chaetal fascicle showing multiple rows of acicular spines, lateral view. Abbreviations: ci, cilia; no, nuchal organ; pl, post-chaetal lobe; so, palpode sensory organ; sp, sensory pores. Scale bars: A, 200 µm; B, 200 µm; C, 20 µm; D, 50 µm.
FIGURE 2 in Taking a closer look: an SEM review of Levinsenia species (Polychaeta: Paraonidae) reported from California
FIGURE 2. Levinsenia gracilis (Tauber, 1879), adult, Sweden specimen: (A) anterior body with branchiae, lateral view; (B) transverse ciliary bands between branchiae, dorsal view; (C) notopodial glandular pores, lateral view; (D) acicular neurochaetae with fibrils, lateral view. Abbreviations: ci, cilia; pl, post-chaetal lobe; sp, sensory pores. Scale bars: A, 500 µm; B, 100 µm; C, 10 µm; D, 10 µm.
FIGURE 5 in Taking a closer look: an SEM review of Levinsenia species (Polychaeta: Paraonidae) reported from California
FIGURE 5. Levinsenia oculata (Hartman, 1957), adult: (A) prostomium with palpode, nuchal organs, dorsal view; B) anterior body with branchiae, dorso-lateral view; (C) low transverse ciliary bands between branchiae, dorso-lateral view; (D) notopodial glandular pores, lateral view; (E) posterior chaetal fascicle showing capillary and acicular spines, lateral view. Abbreviations: no, nuchal organ; sp, sensory pores. Scale bars: A, 200 µm; B, 300 µm; C, 50 µm; D, 10 µm; E, 20 µm.
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