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37 results for “Medusozoa”
Fig. 4 in Species composition and distribution of medusae (Cnidaria: Medusozoa) along the Algerian coast between 2°E and 7°E (SW Mediterranean Sea) Abstract
Fig. 4: Correspondence analysis (CA) showing the repartitions of the medusa species between the central and eastern regions.
Fig. 2 in Species composition and distribution of medusae (Cnidaria: Medusozoa) along the Algerian coast between 2°E and 7°E (SW Mediterranean Sea) Abstract
Fig. 2: Fluctuation of the environmental parameters at the sampling stations along the Algerian coast (a: temperature; b: salinity; c: chlorophyll a).
Fig. 6 in Species composition and distribution of medusae (Cnidaria: Medusozoa) along the Algerian coast between 2°E and 7°E (SW Mediterranean Sea) Abstract
Fig. 6: Principal component analysis (PCA) showing the relationships between the medusae species and the environmental variables.
Fig. 5 in Species composition and distribution of medusae (Cnidaria: Medusozoa) along the Algerian coast between 2°E and 7°E (SW Mediterranean Sea) Abstract
Fig. 5: Spatial distribution of the main species: a. A. hemistoma; b. L. tetraphylla; c. R. velatum; and d. P. noctiluca along the Algerian coast (2°E -7°E) during the surveyed period. Table 3. Segregation values (D index) recorded between pairs of dominant species along the Algerian coast.
Fig. 3 in Species composition and distribution of medusae (Cnidaria: Medusozoa) along the Algerian coast between 2°E and 7°E (SW Mediterranean Sea) Abstract
Fig. 3: Distribution of the total abundance of medusae along the Algerian coast (2°E -7°E).
FIGURE 9. A–B in Taxonomy and diversity of Hydrozoa (Cnidaria, Medusozoa) of La Paz Bay, Gulf of California
FIGURE 9. A–B Clytia simplex (Browne, 1902): A, statocyst; B, nematocysts microbasic b-mastigophore type A. C–J Obelia dichotoma (Linnaeus, 1758): C–E, colony; F, central stem and hydrothecal pedicels; G–H, hydrotheca and annulations in pedicels; I–J gonothecae. Scale equals A—50 µm; B—20 µm; C—1.5 mm, D—1 mm; E—500 µm; F, G, H, J—200 µm; I—100 µm.
FIGURE 7. A Plumularia floridana Nutting, 1900, nematocysts microbasic mastigophore. B–G Dynamena crisioides Lamouroux, 1824 in Taxonomy and diversity of Hydrozoa (Cnidaria, Medusozoa) of La Paz Bay, Gulf of California
FIGURE 7. A Plumularia floridana Nutting, 1900, nematocysts microbasic mastigophore. B–G Dynamena crisioides Lamouroux, 1824: B, colony; C, hydrocaulus; D, hydrothecae; E–F, gonothecae; G, nematocysts large microbasic eurytele. H–K Clytia cf. gracilis (M. Sars, 1850): H, polyp; I, hydrotheca; J, acute triangular cusps; K, hydrothecal diaphragm. Scale equals A—332 µm; B—0.4 mm; C, E—500 µm, D, F, H, I—200 µm; G—17 µm; J—160 µm, K—50 µm.
FIGURE 10. A in Taxonomy and diversity of Hydrozoa (Cnidaria, Medusozoa) of La Paz Bay, Gulf of California
FIGURE 10. A Obelia dichotoma (Linnaeus, 1758), nematocysts microbasic b-mastigophore type A. B–I Obelia tenuis Fraser, 1938a: B–D, colony; C, Paralectotype (USNM 49309); E, stem monosiphonic and branches; F, hydrothecal pedicels with annulations and gonothecae; G, nematocysts microbasic b-mastigophore type A; H, hydrothecae; I, gonothecae. Scale equals A–11 µm; B–800 µm; C—330 µm; D—2 mm, E—500 µm; F, H—200 µm; G—10 µm; I—100 µm.
FIGURE 27–32 in Faunistic survey of Hydromedusae (Cnidaria, Medusozoa) from the coast of Paraná State, Southern Brazil
FIGURE 27–32. Olindias sambaquiensis Müller: adult medusae in oral view (27), umbrellar margin with primary tentacles inserted on exumbrela, and secondary tentacles and club-shaped protrusions originating on umbrellar margin (28); mouth (29) and gonads with papilliform processes (30); Cunina octonaria McCrady: adult medusae (31) and marginal lobe with otoporpae (arrows) (32).
FIGURE 6–9 in Faunistic survey of Hydromedusae (Cnidaria, Medusozoa) from the coast of Paraná State, Southern Brazil
FIGURE 6–9. Turritopsis nutricula McCrady: lateral view (6); Proboscidactyla ornata (McCrady): oral view of medusae with buds on the basis of gastric pouch (7) and cluster of nematocysts on umbrellar margin (8); Corymorpha gracilis (Brooks): adult medusae, Dzoo-Cn 246 (9).
FIGURE 19–26 in Faunistic survey of Hydromedusae (Cnidaria, Medusozoa) from the coast of Paraná State, Southern Brazil
FIGURE 19–26. Eucheilota paradoxica Mayer: lateral view, radial canal with medusa bud (19); Clytia sp. Lamouroux: adult medusae with the base of the manubrium stretched, possible a sampling damage (20); adult medusae in oral view, linear gonads along radial canals (21), and a detail of the stretching of the base of manubrium (22); Obelia sp. Péron & Lesueur: oral view, specimen with 5 radial canals (23); Gossea brachymera Bigelow: adult medusae (24) detail of gonads (25), and marginal tentacles (26).
FIGURE 14–18 in Faunistic survey of Hydromedusae (Cnidaria, Medusozoa) from the coast of Paraná State, Southern Brazil
FIGURE 14–18. Cirrholovenia tetranema Kramp: lateral view (14); Eucheilota duodecimalis A. Agassiz: oral view (15) and tencular bulb with a pair or lateral cirri view (16); Eucheilota maculata Hartlaub: umbrellar margin with a conical tentacular bulb, lateral cirri (arrow), and a rudmentary bulb (17), manubrium and mouth with four black spots on the interradial walls of the manubrium (18).
FIGURE 2–5 in Faunistic survey of Hydromedusae (Cnidaria, Medusozoa) from the coast of Paraná State, Southern Brazil
FIGURE 2–5. Bougainvillia frondosa Mayer: lateral view of Dzoo-Cn 255 (2), lateral view of other specimen (3); Bougainvillia pagesi Nogueira, Rodriguez, Mianzan, Haddad & Genzano: lateral view of holotype, MZUSP 1480, modified from Nogueira et al. (2013) (4); Niobia dendrotentaculata Mayer: Oral view, Dzoo-Cn 244 (5).
FIGURE 1 in Faunistic survey of Hydromedusae (Cnidaria, Medusozoa) from the coast of Paraná State, Southern Brazil
FIGURE 1. Map of the coast of Paraná State, with its location on Brazil, and stations of the campaigns according to table 1.
FIGURE 10–13 in Faunistic survey of Hydromedusae (Cnidaria, Medusozoa) from the coast of Paraná State, Southern Brazil
FIGURE 10–13. Ectopleura dumortieri (Van Beneden): lateral view (10); Aequorea forskalea Péron & Lesueur: umbrellar margin, disposition of marginal tentacules and radial canals (11) and tentacular bulb (12). Rhacostoma atlanticum L. Agassiz: oral view, rows of gelatinous papillae between radial canals, one radial canal branching (13).
FIGURE 33–37 in Faunistic survey of Hydromedusae (Cnidaria, Medusozoa) from the coast of Paraná State, Southern Brazil
FIGURE 33–37. Solmaris corona (Keferstein & Ehlers): young medusae (33); Liriope tetraphylla (Chamisso & Eysenhardt): adult (34), and young medusae (35) a courtesy of Luis Eduardo de Mattos Pukanski; Aglaura hemistoma Péron & Lesueur: adult medusae (36) gonads attached on peduncle (37).
Fig. 4 in Variability on microevolutionary and macroevolutionary scales: a review on patterns of morphological variation in Cnidaria Medusozoa
Fig. 4 Schematic summary of levels of morphological variation found in medusozoans, including the absence of variation (cryptic species). Clades indicate different lineages, colors and shades represent the phenotype in current time, and the circles represent individuals. Note that there is individual variation (arrows) and it can parallel intraspecific variation. The same occurs with interspecific variation, which can parallel intraspecific variation in b
Fig. 1 in Variability on microevolutionary and macroevolutionary scales: a review on patterns of morphological variation in Cnidaria Medusozoa
Fig. 1 Intracolony variation in Orthopyxis sargassicola (Nutting, 1915) based on three polyps randomly sampled from a single colony (MZUSP4079, see Online Resource 1). a Measurements (in μm) of total length of trophosome (Tr), length of pedicel (Pd), hydrothecal length (Hd), and diameter at margin (Diam); b measurements (in μm) of maximum perisarc (Ps) thickness (Thick) of hydrotheca and pedicel at medial portion, as well as maximum number of sinuosities (NS) in pedicel and number of hydrothecal cusps (NC); c, d polyps of O. sargassicola from a single colony (both polyps are at the same position of maximum perisarc thickness). Note the differences in size and shape of the pedicels (Pd) and hydrotheca (Hd), as well as the perisarc thickness (Ps) and sinuosities of the pedicel (S)
FIGURE 4 in Literature analysis and present state of knowledge of benthic Medusozoa (Cnidaria) from the Bay of Biscay and nearby areas (northeastern Atlantic), with emphasis on biodiversity
FIGURE 4. New records of medusozoan species per decade, and accumulative curve. Since the year 2000, the accumulative curve has begun to plateau. (New but unpublished records of Dipurena ophiogaster, Ectopleura wrighti, Hydractinia exigua, Rhizogeton sp., Zanclea sp. and Zanclea cf. giancarloi, have been included).
FIGURE 3 in Literature analysis and present state of knowledge of benthic Medusozoa (Cnidaria) from the Bay of Biscay and nearby areas (northeastern Atlantic), with emphasis on biodiversity
FIGURE 3. Numbers of taxonomic papers published by authors from Spain, and from other countries (mainly France), per decade. Papers written by authors from multiple countries including Spain are scored twice.
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