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53 results for “Scolelepis”
FIGURE 4 in Spionidae (Annelida: ' Polychaeta': Canalipalpata) from Lizard Island, Great Barrier Reef, Australia: the genera Malacoceros, Scolelepis, Spio, Microspio, and Spiophanes
FIGURE 4. Scolelepis (Scolelepis) kudenovi Hartmann-Schröder, 1981, holotype, ZMH P16497. A. Anterior end, dorsal view, first left parapodium removed, palps lost; B. Neuropodial bidentate hooded hooks from posterior chaetiger, note upright large apical tooth. Scale bars: A = 0.5 mm, B = 10 µm.
FIGURE 7 in Spionidae (Annelida: ' Polychaeta': Canalipalpata) from Lizard Island, Great Barrier Reef, Australia: the genera Malacoceros, Scolelepis, Spio, Microspio, and Spiophanes
FIGURE 7. Spio blakei (Blake & Kudenov, 1978): Studies on the ventral epidermal glands (VEGs). A. Ventral surface of middle chaetigers in a live specimen, pores of VEGs numbering four per chaetiger apparent, AM W.45396, MI QLD 2433; B. Methyl green staining pattern of ventral surface of middle chaetigers (arrows point at white dots being the location of the opening pores of VEGs), AM W.44860, MI QLD 2439; C. Cross section of glandophorous chaetiger (arrows point at two VEGs), AM W.44371, MI QLD 2376; D. SEM image, left half of middle chaetiger, ventral surface (arrows point at gland openings), AM W.44381, MI QLD 2376. Abbreviations: coe = coelomic cavity, cu = cuticle, ep = epidermis, ltm = longitudinal musculature, sc = secretion cell, vnc = ventral nerve cord. Scale bars: A = 200 µm, B = 100 µm, C, D = 50 µm. Photo: A—A. Semenov.
FIGURE 3. Scolelepis inversa n in Spionidae (Annelida: ' Polychaeta': Canalipalpata) from Lizard Island, Great Barrier Reef, Australia: the genera Malacoceros, Scolelepis, Spio, Microspio, and Spiophanes
FIGURE 3. Scolelepis inversa n. sp., holotype, AM W.44474, MI QLD 2396. A. Chaetigers 11–13, lateral view (note stout capillaries arranged in three rows in neuropodia); B. Neuropodial bidentate hooded hooks from chaetiger 33 (note upright apical tooth), accompanying capillaries not shown; C. Egg with ornamented egg envelope resembling honeycombs; D. Palp, thickened base (sheath) indicated by arrow, note irregular groups of cilia on the left side of the palp base; E. Palp ciliation and mucus secreting cells at the distal part (near tip), arrow indicates indistinct division between long and short transverse rows of cilia and mucus secreting cells; F. Detail of palp ciliation and arrangement of mucus secreting cells at the distal part. Scale bars: A, D = 100 µm, B, C = 20 µm, E 10 µm, F = 5 µm.
FIGURE 8 in Spionidae (Annelida: ' Polychaeta': Canalipalpata) from Lizard Island, Great Barrier Reef, Australia: the genera Malacoceros, Scolelepis, Spio, Microspio, and Spiophanes
FIGURE 8. Microspio granulata Blake & Kudenov, 1978: Example for pigmentation pattern. A. Holotype fixed in formalin, dorsal view of anterior part, NMV F42947, type locality in NSW, Australia; B. Specimen fixed in formalin, anterior end, dorsal view, AM W.44381, MI QLD 2376, Lizard Island area; C. Same in lateral view. Scale bars: A–C = 0.4 mm.
FIGURE 1 in On the taxonomic status of the European Scolelepis (Scolelepis) squamata (Polychaeta: Spionidae), with description of a new species from southern Europe
FIGURE 1. Scolelepis (Scolelepis) squamata (Abildgaard, in O.F. Müller, 1806), SEM micrographs. A, voucher specimen (Black Sea, Cap Midia, MNINGA PLY 0061); B–E, voucher specimen (Spain, Gijón); F, G, voucher specimen (Black Sea, Mangalia, MNINGA PLY 0063). A, anterior end, dorsal view, palps missing, showing nuchal organs and dorsal primary and secondary transverse ciliary bands; B, middle section of left palp, frontal-lateral view, showing ciliation pattern; C, basal part of right palp, lateral view, showing tightly fused, slightly rugose sheath; D, close-up view of long transverse rows of cilia on palp, showing arrangement of cilia and mucus secreting cells; E, detail of necks of mucus secreting cells; F, middle chaetigers, left lateral view (arrowheads indicate lateral ciliated organs); G, middle chaetigers, dorsal view, showing the primary ciliary band on low transverse folds. c—cilia; n—neck of gland cells; nu—nuchal organ; pc—dorsal primary transverse ciliary band; sc— dorsal secondary transverse ciliary band. Scale bars: A, F, G = 500 µm; B = 20 µm; C = 200 µm; D = 10 µm; E = 2 µm.
FIGURE 4 in On the taxonomic status of the European Scolelepis (Scolelepis) squamata (Polychaeta: Spionidae), with description of a new species from southern Europe
FIGURE 4. Scolelepis (Scolelepis) squamata, morphometric characteristics. A, relationship between the body-size (referring to maximum anterior width in millimetres) and the palp length (in chaetiger number) (y = 7.6755 + 3.5999x; rs = 0.593; P <0.0001; n = 54). B, relationship between the total number of chaetigers and the first chaetiger on which neuropodial hooded hooks (triangles, y = 10.698 + 0.22969x; rs = 0.957; P <0.0001; n = 51) and the notopodial hooded hooks (circles, y = 9.2712 + 0.55917x; rs = 0.948; P <0.0001; n = 51) are present (black symbols—specimens from the Black Sea; white symbols—the Mediterranean Sea specimens from near type locality; red symbols—syntypes of Scolelepis mesnili; blue symbols—specimens from the Atlantic coast of Spain and France; green symbols—specimens from the North Sea and Kattegat). C, relationship between the body-size (referring to maximum anterior width in millimetres) and the number of teeth above main fang (y = 2.3168 + (−0.57224x); rs = −0.877; P <0.0001; n = 104).
FIGURE 7 in On the taxonomic status of the European Scolelepis (Scolelepis) squamata (Polychaeta: Spionidae), with description of a new species from southern Europe
FIGURE 7. Scolelepis (Scolelepis) neglecta sp. nov., SEM micrographs. A–F, paratype (MNCN 3855). A, distal tip of left palp with elevated lobes, frontal-lateral view (arrowheads indicate faint splitting of lateral rows into two smaller lobes); B, distal section of right palp, frontal view, showing elevated lobes; C, basal part of right palp, lateral view (arrowhead shows smooth basal palpal sheath); D, chaetigers 13–25 (from top right to bottom left), ventro-lateral view (arrowheads indicate prechaetal notopodial lamellae; arrow indicates ventral median groove); E, chaetigers 16–21 (from top right to bottom left), dorso-lateral view (arrowheads indicate lateral ciliated organs); F, chaetigers 29–32 (from right to left), lateral view (note ventrally directed inferior part of notopodial postchaetal lamella and dorsally directed superior part of neuropodial postchaetal lamella). Scale bars: A, B = 50 µm; C = 100 µm; D = 1 mm; E = 0.5 mm; F = 0.2 mm.
FIGURE 3 in On the taxonomic status of the European Scolelepis (Scolelepis) squamata (Polychaeta: Spionidae), with description of a new species from southern Europe
FIGURE 3. Scolelepis (Scolelepis) squamata (Abildgaard, in O.F. Müller, 1806), LM micrographs. A–D, F, H, voucher specimen (France, Île d'Oléron, MNHN POLY 0582); E, G, voucher specimen (Spain, Pontevedra, MNCN 369). A, capillary notochaetae from chaetiger 11; B, capillary neurochaetae from chaetiger 11; C, neuropodial hooded hooks of a small individual, from chaetiger 38, lateral view; D, neuropodial hooded hooks of a small individual, from chaetiger 45, front-on view, showing notched apical tooth above the main fang with bidentate appearance; E, neuropodial hooded hook of a very large individual, from chaetiger 104, lateral view; F, notopodial hooded hooks of a small individual, from chaetiger 48, lateral view; G, cross section of chaetiger 104, anterior view; H, egg with honeycomb-ornamented shell. Scale bars: A–D, F = 50 µm; E, H = 100 µm; G = 1 mm.
FIGURE 6 in On the taxonomic status of the European Scolelepis (Scolelepis) squamata (Polychaeta: Spionidae), with description of a new species from southern Europe
FIGURE 6. Scolelepis (Scolelepis) neglecta sp. nov., A, B, LM micrographs of formaldehyde-fixed specimens stained with a solution of methyl green in alcohol, H, I, LM micrographs. A, C–G, holotype (MNCN 3852); B, paratype (MNCN 3860); H, I, paratype (MNCN 12568). A, anterior end, dorsal view; B, anterior end, lateral view; C, capillary notochaeta from posterior row of chaetiger 9; D, capillary neurochaeta from anterior row of chaetiger 13; E, ventral inferior capillary from chaetiger 33. F, neuropodial hooded hook from chaetiger 50, lateral view; G, neuropodial hooded hook from chaetiger 59, front-on view; H, egg envelope ornamentation; I, coelomic egg with thick papillate membrane and peripheral vesicles. Scale bars: A–B = 1 mm; C–I = 0.1 mm.
FIGURE 8 in On the taxonomic status of the European Scolelepis (Scolelepis) squamata (Polychaeta: Spionidae), with description of a new species from southern Europe
FIGURE 8. Scolelepis (Scolelepis) neglecta sp. nov., relationship between the body-size (referring to the maximum anterior width) and the first chaetiger on which a notch is present in the neuropodial postchaetal lamellae (triangles, holotype empty symbol, y = 13.28 + 10.106x; rs = 0.931; P <0.0001; n = 36), and between the body-size (referring to the maximum anterior width) and the first chaetiger on which neuropodial hooded hooks are present (circles, holotype empty symbol, y = 15.673 + 11.97x; rs = 0.846; P <0.0001; n = 36).
FIGURE 5 in On the taxonomic status of the European Scolelepis (Scolelepis) squamata (Polychaeta: Spionidae), with description of a new species from southern Europe
FIGURE 5. Scolelepis (Scolelepis) neglecta sp. nov. A, B, holotype (MNCN 3852); C–H, paratype (MNCN 12568). A, anterior end, dorsal view (palps missing, left notopodial lamella and branchia of chaetiger 5 missing); B, anterior end, lateral view (left palp present only); C, parapodium of chaetiger 1, anterior view; D, parapodium of chaetiger 2, anterior view; E, parapodium of chaetiger 15, anterior view; F, parapodium of chaetiger 42, posterior view; G, parapodium of chaetiger 50, anterior view; H, parapodium of chaetiger 56, anterior view. Scale bars: A–H = 1 mm.
FIGURE 2 in On the taxonomic status of the European Scolelepis (Scolelepis) squamata (Polychaeta: Spionidae), with description of a new species from southern Europe
FIGURE 2. Scolelepis (Scolelepis) squamata (Abildgaard, in O.F. Müller, 1806), SEM micrographs. A, E, F, voucher specimen (Black Sea, Mangalia, MNINGA PLY 0063); B–D, voucher specimen (Black Sea, Cap Midia, MNINGA PLY 0061). A, close-up view of the lateral ciliated organ; B, neuropodial hooded hooks, lateral view (hoods removed); C, tip of neuropodial hooded hook, antero-lateral view, showing notched apical tooth above the main fang (hood removed); D, close-up view of the tip of the hooded hook, dorso-lateral view, showing scale-like structures on the surface of the hood; E, notopodium of a posterior chaetiger, left lateral view, showing hooded hooks alternating with capillaries and a bundle of long dorsal superior capillaries; F, posterior end, dorsal view, showing terminal anus and cushion-like pygidium (somewhat damaged ventrally by sonication). Scale bars: A, B = 20 µm; C = 10 µm; D = 5 µm; E = 100 µm; F = 500 µm.
FIGURE 8 in Two new Scolelepis species (Annelida: Spionidae) from the Yellow Sea in Korea
FIGURE 8 Scolelepis (Scolelepis) rubra sp. nov., paratype (NIBRIV0000890312). A–F, Parapodium from chaetiger 2, 6, 20, 29,75, and 21st last chaetiger, all anterior views. Scale bars: 0.2 mm.
FIGURE 1 in Two new Scolelepis species (Annelida: Spionidae) from the Yellow Sea in Korea
FIGURE 1. Map of the sampling locations where the two new species were collected. Type locality of Scolelepis (Parascolelepis) anterobranchiata sp. nov. (red star) and Scolelepis (Scolelepis) rubra sp. nov. (red circle); where other examined specimens of Scolelepis (Scolelepis) rubra sp. nov. were collected (black circles).
FIGURE 4 in Two new Scolelepis species (Annelida: Spionidae) from the Yellow Sea in Korea
FIGURE 4 Scolelepis (Parascolelepis) anterobranchiata sp. nov., paratype (NIBRIV0000890301). A–F, Parapodium from chaetiger 3, 5, 9, 13, 16, and 10th last chaetiger, all anterior views. Scale bars: 0.2 mm.
FIGURE 2 in Two new Scolelepis species (Annelida: Spionidae) from the Yellow Sea in Korea
FIGURE 2 Images of Scolelepis (Parascolelepis) anterobranchiata sp. nov. A, Whole body without palp, fixed in formalin, lateral view; B, Live specimen in seawater, dorsolateral view; C, Anterior end with conspicuous orange-brownish pigmentations; D, Neuropodial hooded hooks from chaetiger 31, lateral view; E, Neuropodial hooded hook from chaetiger 36, front view. A, B, Holotype (NIBRIV0000890299), C, Paratype (NIBRIV0000890303), D, E, Paratype (NIBRIV0000890301). Scale bars: A=0.5 mm, B=1 mm, C=0.4 mm, D, E=20 μm.
FIGURE 7 in Two new Scolelepis species (Annelida: Spionidae) from the Yellow Sea in Korea
FIGURE 7 Scolelepis (Scolelepis) rubra sp. nov. A, Anterior end, dorsal view; B, Anterior end, lateral view; C, Posterior end, dorsal view; D, Neurochaetae from chaetiger 2; E, Neuropodial hooded hooks from chaetiger 45. A–C, Holotype (NIBRIV0000890310), D, E, Paratype (NIBRIV0000890312). Scale bars: A–C=0.2 mm, D=50 μm, E=20 μm.
FIGURE 6 in Two new Scolelepis species (Annelida: Spionidae) from the Yellow Sea in Korea
FIGURE 6 Scolelepis (Scolelepis) rubra sp. nov. A, Whole body with palps, fixed in formalin; B, Live specimen in seawater, lateral view; C, Anterior end with orange-brownish pigmentations; D, Anterior end stained methyl green, dorsal view; E, Neuropodial hooded hooks from chaetiger 77, Lateral view (left) and front view (right); F, Anterior end with palps, dorsal view, arrow in inset indicates division between two short rows of mucus-secreting cells and accompanying cilia; G, Ciliation of the inner side of the palp, upper arrow indicates division between long and short rows and lower arrow indicates division between two short rows. A, C, Holotype (NIBRIV0000890310), B, Paratype (NIBRIV0000890314), D, Paratype (NIBRIV0000890311), E, Paratype (NIBRIV0000890312), F, G, Paratype (NIBRIV0000890313). Scale bars: A=5 mm, B=0.5 mm, C, D=0.2 mm, E=10 μm, F=0.1 mm, G=4 μm.
FIGURA 2 in Análises Morfométricas De Quatro Espécies De Scolelepis (Annelida: Spionidae) No Litoral Do Brasil
FIGURA 2: Representação gráfica da primeira variável canônica (VC1) e da segunda variável canônica (VC2) das quatro espécies analisadas.
FIGURA 1 in Análises Morfométricas De Quatro Espécies De Scolelepis (Annelida: Spionidae) No Litoral Do Brasil
FIGURA 1: Ilustração mostrando as medidas morfométricas analisadas. AO: distância dos olhos em relação à base do palpo, BR: comprimento da brânquia, BR+NO: largura da lamela notopodial junto com a brânquia, NE: comprimento da lamela neuropodial, NO: comprimento da lamela notopodial, OE: distância entre os olhos externos, OM: distância entre os olhos medianos, PA: altura do prostômio, PL: largura do prostômio, SA: comprimento do setígero, SL: largura do setígero.
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