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60 results for “Stylasteridae”
FIGURE 19 in Stylasteridae (Cnidaria, Hydrozoa, Filifera) from South Africa
FIGURE 19. Conopora sola, female holotype from MN SM237, SAM: A, stereo view of cyclosystem, with female efferent pore visible in gastropore tube of lower polyp. B, longitudinal fracture of gastropore tube, with two female efferent pores visible in dactylotome region. C, a cyclosystem. D, pseudosepta. E–F, large female ampulla adjacent to a cyclosystem, covered with nematopore mounds. G–I, linear-imbricate coenosteal texture. J, nematopore mounds.
FIGURE 21 in Stylasteridae (Cnidaria, Hydrozoa, Filifera) from South Africa
FIGURE 21. Crypthelia micropoma (A–B, D, I–J, female from MN ZF2, SAM; C, E–H, K, male from MN ZF2, SAM): A, stereo view of unifacial cyclosystems, some with female ampullae. B, stereo view of one intact and one spent female ampullae. C, stereo view of double-chambered gastropore tube. D–E, porous pseudosepta. F, stereo view of linear-imbricate coenosteal texture. G, longitudinal section of lower gastropore chamber. H, small spines in lower gastropore chamber. I–J, female ampullae adjacent to cyclosystems. K, stereo pair of male ampullae adjacent to a cyclosystem.
FIGURE 18 in Stylasteridae (Cnidaria, Hydrozoa, Filifera) from South Africa
FIGURE 18. Stenohelia spinifera, male holotype from PF13479, SAM H1461: A, stereo view of cyclosystems and tall nematopore tubes. B–C, individual cyclosystems and tall nematopore tubes. D, pseudosepta. E–F, rough reticulate coenosteal texture. G–H, nematopore tubes. I, a dactyloglossa. J, cross section of an internal male ampulla. K, stereo view of a gastrostyle, but with a broken tip. L, cross section of male ampullae, and a broken gastrostyle. M, spination on the gastrostyle.
Figure 7 from: Cairns S, Lindner A (2011) A Revision of the Stylasteridae (Cnidaria, Hydrozoa, Filifera) from Alaska and Adjacent Waters. ZooKeys 158: 1-88. https://doi.org/10.3897/zookeys.158.1910
Figure 7 - Female paratype of Errinopora undulata, USNM 1123528: A–B, D plate surface showing female ampullae, dactylopore spines, and gastropores C cross section of plate showing several gastrostyles E–F coenosteal texture G–H lateral view of a gastrostyle and detail of spination I–J lateral and apical view of a robust dactylostyle.
Figure 6 from: Cairns S, Lindner A (2011) A Revision of the Stylasteridae (Cnidaria, Hydrozoa, Filifera) from Alaska and Adjacent Waters. ZooKeys 158: 1-88. https://doi.org/10.3897/zookeys.158.1910
Figure 6 - Holotype of Errinopora fisheri, USNM 1123526: A–D branch tips with dactylopore spines arranged in crescents (female ampulla shown in figure D) E, H–I lateral view of gastrostyles F–G coenosteal texture J detail of gastrostyle spines K dactylostyle.
Figure 29 from: Cairns S, Lindner A (2011) A Revision of the Stylasteridae (Cnidaria, Hydrozoa, Filifera) from Alaska and Adjacent Waters. ZooKeys 158: 1-88. https://doi.org/10.3897/zookeys.158.1910
Figure 29 - Stylantheca papillosa, A–G, K topotypic specimen, USNM 43276, H–J syntype of Allopora petrograpta, USNM 43272, L female colony, AB76–55: A stereo view of a cyclosystem B, D, F coenosteal papillae (nematopores) C robust dactylostyle E supernumerary dactylopore G three cyclosystems and many papillae H stereo view of longitudinal section through cyclosystem I gastrostyle J gastrostyle spines K stereo view of squat gastrostyle and ring palisade L stereo view of longitudinal section of two cyclosystems and a female ampulla.
Figure 4 from: Cairns S, Lindner A (2011) A Revision of the Stylasteridae (Cnidaria, Hydrozoa, Filifera) from Alaska and Adjacent Waters. ZooKeys 158: 1-88. https://doi.org/10.3897/zookeys.158.1910
Figure 4 - Midpoint rooting phylogeny of the Alaskan species of Errinopora estimated using mitochondrial rDNA 16S sequences. Numbers at nodes are the result of 100 bootstrap pseudoreplicates whenever >70. Shown is one of six most parsimonious trees (length: 38; CI: 0.868). Numbers preceded by 'USNM' represent specimen catalog numbers at the United States National Museum, Smithsonian Institution. Numbers preceded by 'EU' or 'JN' represent GenBank accession numbers. Asterisks (*) indicate the two specimens and rDNA 16S sequences of Errinopora nanneca and Errinopora zarhyncha previously published by Lindner et al. (2008).
Figure 3 from: Cairns S, Lindner A (2011) A Revision of the Stylasteridae (Cnidaria, Hydrozoa, Filifera) from Alaska and Adjacent Waters. ZooKeys 158: 1-88. https://doi.org/10.3897/zookeys.158.1910
Figure 3 - Cyclohelia lamellata, USNM 1122488: A stereo view of male ampullae in cross section B–C male efferent pores.
Figure 27 from: Cairns S, Lindner A (2011) A Revision of the Stylasteridae (Cnidaria, Hydrozoa, Filifera) from Alaska and Adjacent Waters. ZooKeys 158: 1-88. https://doi.org/10.3897/zookeys.158.1910
Figure 27 - Color figures of skeleton of various Alaskan stylasterids: A–C Stylaster repandus D–G Stylantheca papillosa H–I Crypthelia trophostega: A–B lateral and apical views of holotype, USNM 1122740 C small paratype colony, USNM 1122741 D holotype of Allopora papillosa, USNM 6852 E encrusting colony, AB02–0005 F syntype of Allopora petrograpta, USNM 43272 G holotype of Stylaster porphyrea, USNM 43018 H holotype, USNM 42876 I arborescent colony, USNM 1122435.
Figure 26 from: Cairns S, Lindner A (2011) A Revision of the Stylasteridae (Cnidaria, Hydrozoa, Filifera) from Alaska and Adjacent Waters. ZooKeys 158: 1-88. https://doi.org/10.3897/zookeys.158.1910
Figure 26 - Stylaster crassiseptum A, D, H–I male paratype, USNM 112519, B–C, E–G, J holotype (female), USNM 1122531: A stereo view of cyclosystems and a cluster of male ampullae B branch segment showing sympodial arrangement of cyclosystems C–D cyclosystems E thick pseudosepta and thin dactylotomes F coenosteal texture G robust dactylostyle H stereo view of gastropore tube and male ampulla I gastrostyle surrounded by well–developed ring palisade J female ampulla.
Figure 25 from: Cairns S, Lindner A (2011) A Revision of the Stylasteridae (Cnidaria, Hydrozoa, Filifera) from Alaska and Adjacent Waters. ZooKeys 158: 1-88. https://doi.org/10.3897/zookeys.158.1910
Figure 25 - Holotype (male) of Stylaster elassotomus, USNM 43268: A stereo view of curved gastropore tube B cyclosystems and supernumerary dactylopores C poorly preserved gastrostyle and ring palisade D truncated gastrostyle showing ring palisade E coenosteal texture F stereo view of cyclosystem showing shallow dactylotomes G male ampulla.
Figure 24 from: Cairns S, Lindner A (2011) A Revision of the Stylasteridae (Cnidaria, Hydrozoa, Filifera) from Alaska and Adjacent Waters. ZooKeys 158: 1-88. https://doi.org/10.3897/zookeys.158.1910
Figure 24 - Stylaster alaskanus, A–C, M male paratype of Stylaster cancellatus, USNM 86005 D–E, H, J, L female paratype of Stylaster gemmascens alaskanus, USNM 86006, F–G, I, K holotype (female) of Stylaster cancellatus, USNM 43267: A stereo view of branch tip with male ampullae B–C, J cyclosystems and male ampullae D stereo view of cyclosystem and female ampulla with a distinct efferent pore E cyclosystem and female ampulla F coenosteal texture G stereo view of gastrostyle and ring palisade H a cyclosystem I rudimentary dactylostyle K–L female ampullae M cluster of male ampullae.
Figure 22 from: Cairns S, Lindner A (2011) A Revision of the Stylasteridae (Cnidaria, Hydrozoa, Filifera) from Alaska and Adjacent Waters. ZooKeys 158: 1-88. https://doi.org/10.3897/zookeys.158.1910
Figure 22 - Stylaster parageus parageus A–E, G–H, J holotype (male), USNM 42871 F I female paratype, USNM 76812: A stereo view of three cyclosystems and male ampullae B a cyclosystem C gastrostyle tip surrounded by ring palisade D stereo view of a gastrostyle E–F coenosteal texture G–H rudimentary dactylostyles I female ampullae J cross section of internal male ampullae.
Figure 20 from: Cairns S, Lindner A (2011) A Revision of the Stylasteridae (Cnidaria, Hydrozoa, Filifera) from Alaska and Adjacent Waters. ZooKeys 158: 1-88. https://doi.org/10.3897/zookeys.158.1910
Figure 20 - Stylaster trachystomus, A–L holotype, USNM 43265, M male paratype, USNM 76811: A stereo view of a cyclosystem showing internal decurrent ridges within gastropore B a cyclosystem C a damaged cyclosystem showing decurrent ridges D stereo view of longitudinal section of a cyclosystem and some female ampullae E a gastrostyle and ring palisade F porous pseudosepta G stereo view of ridged coenosteum and a small female ampulla H branch segment I coenosteal texture J rudimentary dactylostyle K–L clusters of female ampullae M male ampullae.
Figure 21 from: Cairns S, Lindner A (2011) A Revision of the Stylasteridae (Cnidaria, Hydrozoa, Filifera) from Alaska and Adjacent Waters. ZooKeys 158: 1-88. https://doi.org/10.3897/zookeys.158.1910
Figure 21 - Color figures of skeleton of various Alaskan stylasterids: A Stylaster parageus parageus, B Stylaster parageus columbiensis C Stylaster elassotomus D Stylaster crassiseptum E–G Stylaster alaskanus. A holotype, USNM 42871 B holotype, USNM 1122462 C holotype, USNM 43268 D holotype, USNM 1122531 E holotype of Stylaster gemmascens alaskanus, USNM 43269 F holotype of Stylaster cancellatus, USNM 43267 G large colony, USNM 1122454.
Figure 2 from: Cairns S, Lindner A (2011) A Revision of the Stylasteridae (Cnidaria, Hydrozoa, Filifera) from Alaska and Adjacent Waters. ZooKeys 158: 1-88. https://doi.org/10.3897/zookeys.158.1910
Figure 2 - Paratypes of Distichopora borealis, USNM 76810: A stereo view of carinate branch face B–C pore row, B being a stereo view D branch face with longitudinal ridges E–F coenosteal texture G gastropore H dactylopore spine I stereo view of two gastrostyles J stereo view of pore row and female ampullae K stereo view of branch face and male ampullae.
Figure 23 from: Cairns S, Lindner A (2011) A Revision of the Stylasteridae (Cnidaria, Hydrozoa, Filifera) from Alaska and Adjacent Waters. ZooKeys 158: 1-88. https://doi.org/10.3897/zookeys.158.1910
Figure 23 - Stylaster parageus columbiensis, A–H, J holotype (male), USNM 1122462, I female paratype, USNM 1117112: A stereo view of branch segment including male ampullae B a cyclosystem C longitudinal fracture of a cyclosystem D stereo view of a gastrostyle and rudimentary ring palisade E–F rough and smooth coenosteal texture G gastrostyle tip and ring palisade H two dactylostyles I female ampulla J male ampullae.
Figure 19 from: Cairns S, Lindner A (2011) A Revision of the Stylasteridae (Cnidaria, Hydrozoa, Filifera) from Alaska and Adjacent Waters. ZooKeys 158: 1-88. https://doi.org/10.3897/zookeys.158.1910
Figure 19 - Stylaster leptostylus, A–B, D–I paratypes from USNM 76817, C holotype, USNM 43270: A stereo view of a male branch B a cyclosystem C gastrostyle D stereo view of a gastrostyle and female ampullae E–F coenosteal texture G–H gastrostyle I two dactylostyles.
Figure 18 from: Cairns S, Lindner A (2011) A Revision of the Stylasteridae (Cnidaria, Hydrozoa, Filifera) from Alaska and Adjacent Waters. ZooKeys 158: 1-88. https://doi.org/10.3897/zookeys.158.1910
Figure 18 - Stylaster campylecus, A male syntype of tylota form, USNM 86000, B–H, M male holotype of campylecus, USNM 42870, I male holotype of polyorchis form, USNM 43266, J female syntype of tylota form, USNM 43263, K male holotype of moseleyanus form, USNM 42869, L female paratype of campylecus, USNM 52262: A–B distal branches showing male ampullae and striate coenosteum C stereo view of two aligned cyclosystems D rudimentary dactylostyle E–F cyclosystems G–H porous coenosteal texture I porcellaneous coenosteal texture J longitudinal section of a cyclosystem K gastrostyle L female ampulla M stereo view of a damaged cyclosystems showing curved gastropore, small dactylostyles, and lack of a ring palisade.
Figure 28 from: Cairns S, Lindner A (2011) A Revision of the Stylasteridae (Cnidaria, Hydrozoa, Filifera) from Alaska and Adjacent Waters. ZooKeys 158: 1-88. https://doi.org/10.3897/zookeys.158.1910
Figure 28 - Stylaster repandus, A–K, M holotype (male), USNM 1122740, L female paratype, USNM 1122739: A–C cyclosystems and coenosteal papillae D gastrostyle and robust dactylostyle E stereo view of a cyclosystem F–G coenosteal texture H stereo view of a gastrostyle and adjacent dactylostyle I stereo view of plate cross section showing some gastrostyles and male ampulla J a robust dactylostyle K elements of a dactylostyle L cross section of a female ampulla M cross section of a male ampulla.
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