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533 results for “Cephalopoda”
FIG. 1 in Larval anisakid nematodes from four species of squid (Cephalopoda: Teuthoidea) from the central and western North Paci®c Ocean
FIG. 1. Capture locations of oceanic squids infected with larval anisakid nematodes in the North Paci®c Ocean: () Ommastrephes bartramii with Lappetascaris sp. Type A; () O. bartramii with Lappetascaris sp. Type B; () Onychoteuthis borealijaponica with Lappetascaris sp. Type A; () Gonatopsis borealis with Lappetascaris sp. Type A; () Thysanoteuthis rhombus with Lappetascaris sp. Type A; () G. borealis with Anisakis simplex; (]) O. borealijaponica with A. simplex; (=) O. borealijaponica with Anisakis physeteris.
FIG. 3 in Larval anisakid nematodes from four species of squid (Cephalopoda: Teuthoidea) from the central and western North Paci®c Ocean
FIG. 3. Lappetascaris sp. Type A third-stage larva from squids. (A) Anterior part of body; (B, C) cephalic end, lateral and ventral views; (D) same of larger specimen, lateral view; (E) general view of larva; (F, G) caudal end. (A± C, F) from Onychoteuthis borealijaponica; (E, G) from Ommastrephes bartramii. Scale bars in mm.
FIGURE 3 in Molecular phylogenetic analysis of a known and a new hydrothermal vent octopod: their relationships with the genus Benthoctopus (Cephalopoda: Octopodidae)
FIGURE 3. Maximum likelihood tree depicting the phylogenetic relationship of 14 species (15 individuals) of Octopodidae. The analysis employed a portion of the mitochondrial gene, 12S rDNA. Bayesian posterior probability support values are indicated below the nodes and maximum likelihood bootstrap values with 50% support or greater are indicated above the nodes.
FIGURE 2 in Molecular phylogenetic analysis of a known and a new hydrothermal vent octopod: their relationships with the genus Benthoctopus (Cephalopoda: Octopodidae)
FIGURE 2. Maximum likelihood tree depicting the phylogenetic relationship of 13 species (14 individuals) of Octopodidae. The analysis employed a portion of four mitochondrial genes (12S rDNA, 16S rDNA, COIII, cyt b) and a portion of the nuclear gene rhodopsin. Bayesian posterior probability support values are indicated below the nodes and maximum likelihood bootstrap values with 50% support or greater are indicated above the nodes.
FIGURE 1 in Molecular phylogenetic analysis of a known and a new hydrothermal vent octopod: their relationships with the genus Benthoctopus (Cephalopoda: Octopodidae)
FIGURE 1. The Manus Vent octopus specimen (FMNH 310455) in situ near a hydrothermal vent in the Manus Basin off Papua New Guinea, 1500 m depth.
Fig. 4 in Description of a new sepioline species, Sepiola boletzkyi sp. nov. (Cephalopoda: Sepiolidae), from the Aegean Sea
Fig. 4. Diagram of the gladius of Sepiola boletzkyi sp. nov., paratype, ♀, ESFM-CEP/1994-2 (anterior extremity on the left). Abbreviations: R = rachis, LP = lateral plate. Scale bar = 1 mm.
Fig. 17 in Evolution of the hectocotylus in Sepiolinae (Cephalopoda: Sepiolidae) and description of four new genera
Fig. 17. Visceral light organ of Rondeletiola minor (Naef, 1912) (the hole in the membrane above the light organ was accidental). Scale bar: 0.5 mm.
Fig. 9 in Evolution of the hectocotylus in Sepiolinae (Cephalopoda: Sepiolidae) and description of four new genera
Fig. 9. Hectocotylus of Euprymna pardalota Reid, 2011 lateral view. Scale bar: 1 mm (after Reid 2011).
Fig. 20 in Evolution of the hectocotylus in Sepiolinae (Cephalopoda: Sepiolidae) and description of four new genera
Fig. 20. Hectocotylus of Sepiola bursadhaesa Bello, 2013; mesial view. The square bracket encompasses the groove in the mesial lateral side (the arm in the foreground is the first right one). Scale bar: 2 mm.
Fig. 16 in Evolution of the hectocotylus in Sepiolinae (Cephalopoda: Sepiolidae) and description of four new genera
Fig. 16. Pair of dorsal arms of Rondeletiola minor (Naef, 1912) oral view; the hectocotylus is on the right side; a, b, c, d indicate the 4th ventral, 3rd ventral, 2nd dorsal, 3rd dorsal modified pedicels, respectively, forming the copulatory apparatus. Scale bar: 1 mm.
Fig. 10 in Evolution of the hectocotylus in Sepiolinae (Cephalopoda: Sepiolidae) and description of four new genera
Fig. 10. Hectocotylus of Sepiola knudseni Adam, 1984. A. Oral view. B. Dorsal view; the arrows point to the three modified ventral sucker pedicels. Scale bars: 1 mm.
Fig. 3 in Evolution of the hectocotylus in Sepiolinae (Cephalopoda: Sepiolidae) and description of four new genera
Fig. 3. The sepioline hectocotylus diversity displayed by Naef (1912b: fig. 1). The drawings, left to right starting from upper row, show the pair of dorsal arms (the hectocotylus is that on the right side) of Sepiola steenstrupiana Levy, 1912, Sepiola robusta Naef, 1912, Sepiola rondeletii Leach, 1817, Sepiola aurantiaca Jatta, 1896, Sepietta oweniana (d'Orbigny, 1841), Sepiola atlantica d'Orbigny, 1842, Sepiola ligulata Naef, 1912, Sepiola intermedia Naef, 1912 and Rondeletiola minor (Naef, 1912).
Fig. 2 in Evolution of the hectocotylus in Sepiolinae (Cephalopoda: Sepiolidae) and description of four new genera
Fig. 2. "Sepiola Rondeletii" (fig. 9) and its hectocotylus (figs 9ʹ and 9ʺ) figured by Steenstrup (1857: plate II). Despite some inaccuracies (fig. 9: the mantle border is not fused with the head; fig. 9ʹ: no sucker is enlarged in the dorsal row of the distal part; fig. 9ʺ: four suckers are depicted in the hectocotylus basal part instead of three), the copulatory apparatus of the hectocotylus – "remarkable dilatation of the skin" according to Steenstrup – (fig. 9ʺ) clearly pertains to a species of the Sepiola atlantica-group.
Fig. 19 in Evolution of the hectocotylus in Sepiolinae (Cephalopoda: Sepiolidae) and description of four new genera
Fig. 19. Hectocotylus of Sepiola boletzkyi Bello & Salman, 2015; a–b and c–d = modified ventral and dorsal pedicels, respectively, forming the copulatory apparatus proper; * = lobe in the dorsal sucker row; 1–11 = heteromorphous suckers in the dorsal row of distal part. A. Hectocotylus, oral-lateral view. B. Copulatory apparatus, mesial view. C. Copulatory apparatus, oblique mesial view. Scale bars: 1 mm (after Bello & Salman 2015).
Fig. 21 in Evolution of the hectocotylus in Sepiolinae (Cephalopoda: Sepiolidae) and description of four new genera
Fig. 21. Cladogram of Sepiolinae Leach, 1817. See text for explanation of numbered apomorphic features.
Fig. 1 in Evolution of the hectocotylus in Sepiolinae (Cephalopoda: Sepiolidae) and description of four new genera
Fig. 1. Sepiola depiction in Libri de Piscibus Marinis (Rondeletius 1554: 519), modified. The arrow points to the hectocotylized arm (left arm I).
Fig. 14 in Evolution of the hectocotylus in Sepiolinae (Cephalopoda: Sepiolidae) and description of four new genera
Fig. 14. Pair of dorsal arms of Sepiola ligulata Naef, 1912; the hectocotylus is on the right-hand side. The arrow points at the horn-like modified 4th ventral pedicel in the copulatory apparatus (''main tooth'' of Naef 1923); its point is not visible because hidden by the first ventral sucker of distal part; the 3rd ventral pedicel too, at the base of 4th, is barely visible in this drawing. Abbreviations: S = spatula-like lobe in the copulatory apparatus, formed by 2nd and 3rd modified dorsal pedicels; L = 'ligula', the shovellike lobe formed by 4th to 5-6th dorsal pedicels (after Naef 1923, modified).
Fig. 18 in Evolution of the hectocotylus in Sepiolinae (Cephalopoda: Sepiolidae) and description of four new genera
Fig. 18. Hectocotylus of Sepietta oweniana (d'Orbigny, 1841). The arrows starting from the letters V and D indicate the two ventral and two dorsal modified pedicels, respectively, which form the transversal crest of the copulatory apparatus.
Fig. 13 in Evolution of the hectocotylus in Sepiolinae (Cephalopoda: Sepiolidae) and description of four new genera
Fig. 13. Hectocotylus of Sepiola birostrata Sasaki, 1918. A. The square bracket indicates the two hornlike modified ventral pedicels of the copulatory apparatus; the curved line encompasses the flattened modified dorsal pedicels of the copulatory apparatus and the arrow points at the hollow left by a reduced sucker. In the distal part, several leafy pedicels bearing regular suckers are visible. B. Detail of the ventral row of vestigial suckers, encompassed by the square bracket; below it, the point of the copulatory apparatus distal horn is visible; to the left side, several leaf-like pedicels of the distal part are evident. Scale bars: A = 1 mm; B = 0.5 mm.
Fig. 4 in Evolution of the hectocotylus in Sepiolinae (Cephalopoda: Sepiolidae) and description of four new genera
Fig. 4. Sepioline bursae copulatrices (x) depicted by Steenstrup (1900) (highlighted by rectangular frames). The species reported are "Sepiola Rondeletii" (fig. 11), Sepiola sp. (fig. 12) and "Sepiola Petersii" (fig. 13).
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
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