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10 results for “Luidia”
FIGURE 6. Abactinal spinelets. A, D in Luidia changi, a new sea star species (Echinodermata: Asteroidea: Luidiidae) from the Yellow Sea, with a review of two related species
FIGURE 6. Abactinal spinelets. A, D, Luidia quinaria von Martens, 1865; B, E, Luidia yesoensis Goto, 1914; C, F, Luidia changi sp. nov. A–C, central granules (arrow); D–F, peripheral spinelets (arrow). Scale = 100 m.
FIGURE 3. Luidia yesoensis Goto, 1914 in Luidia changi, a new sea star species (Echinodermata: Asteroidea: Luidiidae) from the Yellow Sea, with a review of two related species
FIGURE 3. Luidia yesoensis Goto, 1914 (H 209B15, R=59.6 mm). A, abactinal view; B, actinal view; C, arm, dorsal view; D, arm, ventral view. Scale = 5 mm.
FIGURE 5 in Luidia changi, a new sea star species (Echinodermata: Asteroidea: Luidiidae) from the Yellow Sea, with a review of two related species
FIGURE 5. Denuded abactinal plates, proximal base of ray. A–B, Luidia quinaria von Martens, 1865; C–D, Luidia yesoensis Goto, 1914; E–F, Luidia changi sp. nov. A, C, aboral view, paxillae with raised top (arrow); B, oral view, thick, with very small plates (arrow); D, oral view, thick, paxillae along the median radial line distinctly smaller (arrow); E, aboral view, paxillae with flat top, with very small lateral paxillae (arrow); F, oral view, thin, with very small plates (arrow). Scale = 2 mm.
FIGURE 2. Luidia quinaria von Martens, 1865 in Luidia changi, a new sea star species (Echinodermata: Asteroidea: Luidiidae) from the Yellow Sea, with a review of two related species
FIGURE 2. Luidia quinaria von Martens, 1865 (CN 21–18, R=72 mm). A, abactinal view; B, actinal view; C, arm, dorsal view; D, arm, ventral view. Scale = 5 mm.
FIGURE 1 in Luidia changi, a new sea star species (Echinodermata: Asteroidea: Luidiidae) from the Yellow Sea, with a review of two related species
FIGURE 1. Collection localities of the three species, Luidia changi sp. nov., L. quinaria von Martens, 1865 and L. yesoensis Goto, 1914.
FIGURE 4 in Luidia changi, a new sea star species (Echinodermata: Asteroidea: Luidiidae) from the Yellow Sea, with a review of two related species
FIGURE 4. Luidia changi sp. nov. A, B, holotype, alcoholpreserved specimen IOCAS E1100, R=83.8 mm; C–F, paratype, dry specimen, BDI 7B21, R=76.7 mm. A,abactinal view; B, actinal view; C, abactinal paxillae; D, lateral paxillae, showing transparent spinules on the top (arrow); E, mouth pedicellariae (arrow); F, adambulacral and inferomarginal plates. Scale = 2 mm.
FIGURE 2 in First record of Luidia atlantidea Madsen, 1950 (Echinodermata: Asteroidea Paxillosida: Luidiidae) in the Sidi-Medjdoub area-Mostaganem (West Algerian coast, Mediterranean Sea)
FIGURE 2. Morphological characters of Luidia atlantidea Madsen, 1950 (fixed individual: LPVCMRMS2019.402) sampled in the region of Sidi-Medjdoub (Mostaganem). A. Abactinal surface. B. Actinal surface. C. Paxillae of the abactinal surface. 1. Large superomarginal paxillae. 2. Small abactinal paxillae. D. Mouth. E. Detail of abactinal paxillae. 1. Large superomarginal paxillae. 2. Small abactinal paxillae. F. Detail of an arm, lateral view. 1. Dorsolateral inferomarginal spines. 2. Ventrolateral inferomarginal spine. G. 1. Adambulacral plate.
FIGURE 3 in First record of Luidia atlantidea Madsen, 1950 (Echinodermata: Asteroidea Paxillosida: Luidiidae) in the Sidi-Medjdoub area-Mostaganem (West Algerian coast, Mediterranean Sea)
FIGURE 3. Histological sections of the gonads of Luidia atlantidea. A. Testes. B. Ovaries. O. Oocytes. N. Nuclei. Sp. Spermatozoa. SC. Spermatogenic columns. Small black arrows indicate spermatids. Lu. Lumen. Scale bar = 100 µm.
FIGURE 35. Luidia maculata A in New Ecological Observations and Occurrence for Asteroidea and Echinoidea in Hong Kong
FIGURE 35. Luidia maculata A. In situ, abactinal surface showing two color pattern variants. B. In situ observation of an individual with disk depressed into sediment feeding on unidentified prey. C–D. Predation on a sea cucumber, Holothuria leucospilota. Photographer: A–B: Sam King Fung Yiu C–D: Choi Kwong Wan.
FIGURE 1 in First record of Luidia atlantidea Madsen, 1950 (Echinodermata: Asteroidea Paxillosida: Luidiidae) in the Sidi-Medjdoub area-Mostaganem (West Algerian coast, Mediterranean Sea)
FIGURE 1. Sampling station of Luidia atlantidea (indicated by the black circle).
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