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48 results for “Staurozoa”
Fig. 6 in How to build a larval body with less than a hundred cells? Insights from the early development of a stalked jellyfish (Staurozoa, Cnidaria)
Fig. 6 Morphological differentiation of the primary body axis: development of the endoderm rod. Cell cortices are labeled with phallacidin (green) and nuclei are labeled with DAPI (blue) on the CLSM images (a, a1–a4). Ectoderm cells are artificially colored in green (round cells are in cyan) and endoderm cells are artificially colored in purple on the TEM images (b, c). Future poles of AP body axis are marked with asterisks. (a) 3D reconstruction of a spherical embryo. (a1–a4) Planes of the longitudinal optical sections. (a1) Section of the embryo in the plane of the endoderm rod bending: the endoderm rod of the spherical embryo has a V shape. (a2–a4) Optical sections through the embryo in the planes perpendicular to the axis of the rod bending, which
Fig. 5 in How to build a larval body with less than a hundred cells? Insights from the early development of a stalked jellyfish (Staurozoa, Cnidaria)
Fig. 5 Morphological differentiation of the AP body axis: beginning of endoderm cell reshaping. CLSM of phallacidin staining (a, b, f, g) and TEM (c–e, h–j). Ectoderm cells are artificially colored in green (rounded basiepithelial cells are in cyan) and endoderm cell are artificially colored in purple on the TEM images. (a–e) Primary elongation of endoderm cells. (a) Very beginning of the axis development: some endoderm cells start elongating. (b) Embryos at a bit later stage: longitudinal section (left) and cross section (right). Endoderm cells are elongated perpendicular to the body axis. As they are packed in two rows, only two or three cells (asterisks) are visible on a cross section. Rounded cells lacking the contact with the embryo surface appear in the ectoderm. (c) An embryo at the same stage as on (b), longitudinal section. Purple arrows show the direction of elongation of the endoderm cells. Note plenty of vacuoles in their cytoplasm. (d) The endoderm core with characteristic pairwise arrangement of cells. (e) Ultrastructure of an endoderm cell. A purple double-
Fig. 3 in How to build a larval body with less than a hundred cells? Insights from the early development of a stalked jellyfish (Staurozoa, Cnidaria)
Fig. 3 Stereoblastula: CLSM of phallacidin staining (a, b) and TEM (c– f). (a) A 16-cell stage embryo, maximum intensity projection; cell cortices are labeled with phallacidin (green). (b) Central optical section through the stereoblastula: all blastomeres are roughly of the same size and shape. (c) Section through the center of an embryo showing that there is no blastocoel inside the blastula. Two blastomeres are artificially colored in yellow. (d) A blastomere has multiple yolk granules and vacuoles;
Fig. 4 in How to build a larval body with less than a hundred cells? Insights from the early development of a stalked jellyfish (Staurozoa, Cnidaria)
Fig. 4 The dynamics of gastrulation: CLSM of phallacidin staining (a, h) and TEM (b–g, i–k). Embryos are oriented with the gastrulation pole (yellow arrowheads) down. Prospective ectoderm cells are artificially colored in green and prospective endoderm cells are artificially colored in purple on the TEM images. (a–a‴) Successive stages of gastrulation, central optical sections. Note the columnarized (a) and then bottle-shaped (a′–a‴) presumptive endoderm cells marked with asterisks and stretching ectoderm cells (green arrowheads) adjacent to the site of ingression. (b) An embryo at the early gastrula stage (corresponds to a′). Presumptive ectoderm cells situated near the ingressing cells are stretched towards the pole of gastrulation, while the cells beyond this area have a cuboid shape. (c) Close-up of the region framed on B showing ultrastructure of an ingressing cell. White arrows demonstrate the constriction of the cell apex. A purple arrow shows the direction of squeezing of the enlarged basal portion of the cell inside the embryo and a green arrow shows the
Fig. 1 in How to build a larval body with less than a hundred cells? Insights from the early development of a stalked jellyfish (Staurozoa, Cnidaria)
Fig. 1 Timing of the development of Lucernaria embryo up to the planula larva stage: in vivo light microscopy imaging. The time of development at +8 °C is given in hours post fertilization (hpf). Note that neither embryo nor planula have cavity. The name of developmental stage is indicated on the top of each image. White
FIGURE 5 in A new species of stauromedusa, Calvadosia festivala (Cnidaria: Staurozoa: Kishinouyeidae) from India
FIGURE 5. Detailed morphology of Calvadosia festivala n. sp. (preserved individual). A) Manubrium region; B) Perradial calyx margin; C) Interradial calyx margin and gonads; D) Tip of arm, with secondary tentacles and adhesive pad. Scales: A) 0.22 cm; B) 0.11 cm; C) 0.16 cm; D) 0.07 cm. Abbreviations: am, arm; cm, coronal muscle; gd, gonad; gf, gastric filaments; IR, interradii; mn, manubrium; mu, interradial longitudinal muscle; pa, pad; PR, perradii; sp, interradial septum; tc, secondary tentacle; ws, white spot.
FIGURE 4 in A new species of stauromedusa, Calvadosia festivala (Cnidaria: Staurozoa: Kishinouyeidae) from India
FIGURE 4. Detailed morphology of the subumbrella of Calvadosia festivala n. sp. (live individual). A) Manubrium region; B–E) Gonads and white spots. Scales: A) 0.44 cm; B) 0.26 cm; C) 0.16 cm; D) 0.44 cm; E) 0.32 cm. Abbreviations: gd, gonad; IR, interradii; mn, manubrium; pe, peduncle; PR, perradii; sp, interradial septum; tc, secondary tentacle; ws, white spot.
FIGURE 3 in A new species of stauromedusa, Calvadosia festivala (Cnidaria: Staurozoa: Kishinouyeidae) from India
FIGURE 3. Morphology of Calvadosia festivala n. sp. (preserved individual). A) Lateral view; B) Lateral view of an arm; C) Exumbrellar view of peduncle; D) Detail of pedal disc. Scales: A) 0.26 cm; B) 0.07 cm; C) 0.13 cm; D) 0.13 cm. Abbreviations: cl, calyx; cm, coronal muscle; cp, central pore; gd, gonad; nb, nematocyst battery; pa, pad; pd; pedal disk; pe, peduncle; tc, secondary tentacle; ws, white spot.
FIGURE 2 in A new species of stauromedusa, Calvadosia festivala (Cnidaria: Staurozoa: Kishinouyeidae) from India
FIGURE 2. General morphology of Calvadosia festivala n. sp. (live individual). A) General view of the animal; B) Peduncle and calyx connection region; C) Exumbrellar view; D) Subumbrellar view; E) Detail of exumbrellar view. Scales: A) 0.26 cm; B) 0.26 cm; C) 0.26 cm; D) 0.32 cm; E) 0.26 cm. Abbreviations: am, arm; cl, calyx; gd, gonad; IR, interradii; mn, manubrium; pa, pad; pc, peduncle chamber; pd; pedal disk; pe, peduncle; PR, perradii; tc, secondary tentacle; ws, white spot.
FIGURE 7 in A new species of stauromedusa, Calvadosia festivala (Cnidaria: Staurozoa: Kishinouyeidae) from India
FIGURE 7. Maximum likelihood phylogenetic hypothesis. Analysis based on combined data of mitochondrial markers COI and 16S, and nuclear marker 18S (SSU). Bootstrap values are shown for each node, indicated as percent of 1,000 replicates.
FIGURE 6 in A new species of stauromedusa, Calvadosia festivala (Cnidaria: Staurozoa: Kishinouyeidae) from India
FIGURE 6. Cnidome of Calvadosia festivala n. sp. A) Isorhizas of secondary tentacles; B) Eurytele of secondary tentacles; C) Rhopaloid of secondary tentacles; D) Birhopaloids of white spots of nematocysts on subumbrella. Scales: A) 10.6 μm B) 7.40 μm C) 5.20 μm D) 10.0 μm.
FIGURE 1 in A new species of stauromedusa, Calvadosia festivala (Cnidaria: Staurozoa: Kishinouyeidae) from India
FIGURE 1. Geographic distribution and habitat of stauromedusae in India. A) Map of distribution, red star indicates Dwarka, Gujarat (this study), blue star indicates Krusadai Island, Gulf of Mannar (Panikkar 1944); B, C) Intertidal areas of Dwarka, Gujarat; D) Two individuals collected in this study, attached to Ulva sp., scale:1.8 cm.
FIGURE 1. Lucernariopsis capensis Carlgren. A, B, C in Lucernariopsis capensis Carlgren, 1938 (Cnidaria, Staurozoa) in Brazil: first record outside its type locality in South Africa
FIGURE 1. Lucernariopsis capensis Carlgren. A, B, C. General views of the preserved specimen from Itanhaém, Brazil. D. Gonad (gd) and gastric cirri (gc). E. Two arms, with cushion or pad-like organ, tentacular cluster, and a probable vestige of primary tentacle. F. Base of stalk, with a central pit. G. Isorhiza of tentacle. H. Eurytele (type I) of tentacle. I. Eurytele (type II) of subumbrellar vesicles. J. Eurytele (type III) of subumbrellar vesicles. K. Isorhiza of subumbrellar vesicles. Scale: A–F: 0.6 mm; G–K: 5.0 µm. am—arm; bd—basal disc of stalk; cl—calyx; pd—pad-like adhesive organ; pr—primary tentacle; pt—pit; sc—secondary tentacle; sk—stalk; tc—tentacular cluster.
FIGURE 2 in Lucernariopsis capensis Carlgren, 1938 (Cnidaria, Staurozoa) in Brazil: first record outside its type locality in South Africa
FIGURE 2. Distribution of species of the family Kishinouyeidae. Lucernariopsis (in blue): A. L. campanulata, B. L. capensis (star represents the new record), C. L. cruxmelitensis, D. L. tasmaniensis, E. L. vanhoeffeni, F. Lucernariopsis sp.; Kishinouyea (in red): G. K. corbini, H. K. hawaiiensis, I. K. nagatensis, J. Kishinouyea sp.; Sasakiella (in green): K. S. cruciformis, L. S. tsingtaoensis (Browne 1910; Edmondson 1930; Eales 1938; Panikkar 1944; Kramp 1961; Corbin 1978; Larson 1980; Grohmann et al. 1999; Cairns et al. 2009; Zagal et al. 2011; Smithsonian NMNH Online Database, available from: http://collections.nmnh.si.edu/search/iz/, 05 Nov 2011; this study).
Data from: Morphological and molecular diagnostic species characters of Staurozoa (Cnidaria) collected on the coast of Helgoland (German Bight, North Sea)
Open the record for dataset details and reuse information.
Fig. 2 in How to build a larval body with less than a hundred cells? Insights from the early development of a stalked jellyfish (Staurozoa, Cnidaria)
Fig. 2 Dynamics of cell number during early development of Lucernaria. Mean ± St. dev
TABLE 1 in A new species of stauromedusa, Calvadosia festivala (Cnidaria: Staurozoa: Kishinouyeidae) from India
<p><b>TABLE 1.</b> Specimens of <i>Calvadosia corbini</i>, <i>Calvadosia tasmaniensis</i>, and <i>Calvadosia lewisi</i> analyzed for morphological comparisons. MZUSP: Museum of Zoology of the University of São Paulo, Brazil; USNM: National Museum of Natural History, Smithsonian, USA.</p><table><tbody><tr><th>Species</th><th>Catalog number</th><th>Locality</th><th>Number of specimens</th><th>Preservative</th></tr></tbody><tbody><tr><th><i>C. corbini</i></th><td>MZUSP 1564</td><td>Aracruz, Espírito Santo, Brazil</td><td>2</td><td>Formalin 10%</td></tr><tr><th><i>C. corbini</i></th><td>MZUSP 1565</td><td>Aracruz, Espírito Santo, Brazil</td><td>2</td><td>Formalin 10%</td></tr><tr><th><i>C. tasmaniensis</i></th><td>USNM 1233739</td><td>Fortescue Bay, Tasmania, Australia</td><td>2</td><td>Formalin 10%</td></tr><tr><th><i>C. tasmaniensis</i></th><td>USNM 1233740</td><td>Gerlof Bay, South Australia, Australia</td><td>1</td><td>Formalin 10%</td></tr><tr><th><i>C. lewisi</i></th><td>MZUSP 3415</td><td>Simon’s Town, Cape Town, Western Cape, South Africa</td><td>1</td><td>Formalin 10%</td></tr><tr><th><i>C. lewisi</i></th><td>MZUSP 3416</td><td>Simon’s Town, Cape Town, Western Cape, South Africa</td><td>1</td><td>Formalin 10%</td></tr></tbody></table>
TABLE 3. Distance matrix from nucleotide sequences for COI, 16 S in A new species of stauromedusa, Calvadosia festivala (Cnidaria: Staurozoa: Kishinouyeidae) from India
<p><b>TABLE 3.</b> Distance matrix from nucleotide sequences for COI, 16S, and 18S alignments from <i>Calvadosia</i> species closely related to <i>Calvadosia festivala</i> n. sp. “−”: represents absence of data for comparison (COI not available for <i>C. tasmaniensis</i> and <i>C. corbini</i>).</p><table><tbody><tr><th>Species</th><th>1</th><th>2</th><th>3</th><th>4</th><th>5</th></tr></tbody><tbody><tr><th>1. <i>C. tasmaniensis</i></th><td>COI: 0.0000 16S: 0.0000 18S: 0.0000</td><td></td><td></td><td></td><td></td></tr><tr><th>2. <i>C. lewisi</i></th><td>COI: − 16S: 0.0945 18S: 0.0017</td><td>COI: 0.0000 16S: 0.0000 18S: 0.0000</td><td></td><td></td><td></td></tr><tr><th>3. <i>C. corbini</i></th><td>COI: − 16S: 0.0985 18S: 0.0017</td><td>COI: − 16S: 0.1266 18S: 0.0038</td><td>COI: 0.0000 16S: 0.0000 18S: 0.0000</td><td></td><td></td></tr><tr><th>4. <i>C. festivala</i> n. sp.</th><td>COI: − 16S: 0.1400 18S: 0.0000</td><td>COI: 0.2215 16S: 0.1629 18S: 0.0014</td><td>COI: − 16S: 0.1430 18S: 0.0014</td><td>COI: 0.0000 16S: 0.0000 18S: 0.0000</td><td></td></tr><tr><th>5. <i>Calvadosia</i> sp. Moorea</th><td>COI: − 16S: 0.1917 18S: 0.0085</td><td>COI: 0.2506 16S: 0.2197 18S: 0.0070</td><td>COI: − 16S: 0.21009 18S: 0.0045</td><td>COI: 0.2158 16S: 0.2193 18S: 0.0083</td><td>COI: 0.0000 16S: 0.0000 18S: 0.0000</td></tr></tbody></table>
TABLE 2 in A new species of stauromedusa, Calvadosia festivala (Cnidaria: Staurozoa: Kishinouyeidae) from India
<p><b>TABLE 2.</b> Staurozoan species used in the phylogenetic analyses, including their respective GenBank accession numbers for each molecular marker. *Sequences from this study.</p><table><tbody><tr><th>Species</th><th>GenBank Accession Numbers</th><th></th></tr></tbody><tbody><tr><th></th><td>COI</td><td>16S</td><td>18S</td></tr><tr><th><i>Depastromorpha africana</i></th><td>KU257474.1</td><td>KU257499.1</td><td>KU308558.1</td></tr><tr><th><i>Haliclystus californiensis</i></th><td>GU201831.1</td><td>GU201829.1</td><td>KU308560.1</td></tr><tr><th><i>Manania gwilliami</i></th><td>KU257486.1</td><td>KU257512.1</td><td>KU308574.1</td></tr><tr><th><i>Calvadosia campanulata</i></th><td>KU257483.1</td><td>KU257508.1</td><td>KU308570.1</td></tr><tr><th><i>Calvadosia corbini</i></th><td>-</td><td>KU257502.1</td><td>KU308565.1</td></tr><tr><th><i>Calvadosia cruciformis</i></th><td>KU257487.1</td><td>KU257514.1</td><td>KU308576.1</td></tr><tr><th><i>Calvadosia cruxmelitensis</i></th><td>KU257484.1</td><td>KU257509.1</td><td>KU308571.1</td></tr><tr><th><i>Calvadosia festivala</i> n. sp. <i>*</i></th><td>PP715785*</td><td>PP711362*</td><td>PP711361*</td></tr><tr><th><i>Calvadosia lewisi</i></th><td>KU257492.1</td><td>KU257519.1</td><td>KU308581.1</td></tr><tr><th><i>Calvadosia nagatensis</i></th><td>OK356409.1</td><td>-</td><td>-</td></tr><tr><th><i>Calvadosia tasmaniensis</i></th><td>-</td><td>KU257510.1</td><td>KU308572.1</td></tr><tr><th><i>Calvadosia vanhoeffeni</i></th><td>KU257485.1</td><td>KU257511.1</td><td>KU308573.1</td></tr><tr><th><i>Calvadosia</i> sp. Moorea</th><td>KU257490.1</td><td>KU257517.1</td><td>KU308579.1</td></tr><tr><th><i>Calvadosia</i> sp. 1 New Zealand</th><td>KU257495.1</td><td>KU257521.1</td><td>KU308584.1</td></tr><tr><th><i>Calvadosia</i> sp. 2 New Zealand</th><td>KU257491.1</td><td>KU257518.1</td><td>KU308580.1</td></tr></tbody></table>
Figure 1 from: Martellos S, Ukosich L, Avian M (2016) JellyWeb: an interactive information system on Scyphozoa, Cubozoa and Staurozoa. ZooKeys 554: 1-25. https://doi.org/10.3897/zookeys.554.6745
Figure 1 - Multi-entry interface. The multi-entry interface allows to combine the states of several morphologic and anatomic characters, together with taxonomic information, to query the database.
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