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76 results for “Scotia Arc”
FIGURE 45 in <strong>New records of Antarctic and Sub-Antarctic sea anemones (Cnidaria, Anthozoa, Actiniaria and Corallimorpharia) from the Weddell Sea, Antarctic Peninsula, and Scotia Arc</strong>
FIGURE 45. Cnidae of Hormathia lacunifera (Stephenson, 1918). a–d, g–j, l–n, q, r) Basitrichs. e, k, o, p) Microbasic p- mastigophores; f) Spirocyst.
FIGURE 42 in <strong>New records of Antarctic and Sub-Antarctic sea anemones (Cnidaria, Anthozoa, Actiniaria and Corallimorpharia) from the Weddell Sea, Antarctic Peninsula, and Scotia Arc</strong>
FIGURE 42. External anatomy of Hormathia armata Rodríguez & López-González, 2001. a) Oral view of living specimen. b) Lateral view of living specimen [BEIM (ANT-202)]. c) Lateral view of the holotype [ZMH C11656]. d) Detail of the flattened and hooked tubercles [ZMH C11656]. e) Detail of the distal column showing part of the crown of flattened and hooked tubercles, and the pyramidal and pointed tubercles [ZMH C11657]. f) Lateral view of preserved paratypes [ZMH C11657]. g) Oral view of preserved paratype [ZMH C11657]. Scale bars: a–b, 20 mm; c, f–g, 30 mm; d, 6 mm; e, 5 mm.
FIGURE 46 in <strong>New records of Antarctic and Sub-Antarctic sea anemones (Cnidaria, Anthozoa, Actiniaria and Corallimorpharia) from the Weddell Sea, Antarctic Peninsula, and Scotia Arc</strong>
FIGURE 46. External anatomy of Corallimorphus profundus Moseley, 1877. a–b) Lateral view of living specimens [AMNH- 4681], [AMNH-4690]; note the oral tentacles and the larvae inside the coelenteron and marginal tentacles. c–d) lateral view of preserved specimens [BEIM(ANT-4683)]; note the larvae inside the marginal tentacles. Scale bars: a, 30 mm; b–d, 20 mm.
PLATE 1. A–H in <strong>New records of Antarctic and Sub-Antarctic sea anemones (Cnidaria, Anthozoa, Actiniaria and Corallimorpharia) from the Weddell Sea, Antarctic Peninsula, and Scotia Arc</strong>
PLATE 1. A–H. Thagria, dorsal habitus. (A) Thagria aenigmatis, sp. nov., holotype; (B) Thagria asperitas, sp. nov., holotype; (C) Thagria biretrorsa, sp. nov., holotype; (D) Thagria colorata, sp. nov., holotype; (E) Thagria coniunctionis, sp. nov., holotype; (F) Thagria constanti, sp. nov., holotype; (G) Thagria fidelitas, sp. nov., holotype; (H) Thagria freytagi, sp.
FIGURE 32 in <strong>New records of Antarctic and Sub-Antarctic sea anemones (Cnidaria, Anthozoa, Actiniaria and Corallimorpharia) from the Weddell Sea, Antarctic Peninsula, and Scotia Arc</strong>
FIGURE 32. Cnidae of Stomphia selaginella (Stephenson, 1918). a, b, d, f, h) Basitrichs. c) Spirocyst. e) Microbasic b- mastigophore. g, i) Microbasic p-mastigophores.
FIGURE 28 in <strong>New records of Antarctic and Sub-Antarctic sea anemones (Cnidaria, Anthozoa, Actiniaria and Corallimorpharia) from the Weddell Sea, Antarctic Peninsula, and Scotia Arc</strong>
FIGURE 28. External anatomy of Hormosoma scotti Stephenson, 1918. a) Oral view of living and expanded specimen [BEIM(ANT-4828)]. b) Lateral-oral view of semi-contracted living specimen [AMNH-4816]. c–d) Lateral and oral view of contracted living specimen [AMNH-4816]. Scale bars: a, 25 mm; b–d, 30 mm.
FIGURE 37 in <strong>New records of Antarctic and Sub-Antarctic sea anemones (Cnidaria, Anthozoa, Actiniaria and Corallimorpharia) from the Weddell Sea, Antarctic Peninsula, and Scotia Arc</strong>
FIGURE 37. External anatomy of Eltaninactis infundibulum Dunn, 1983. a) Lateral view of living specimen [BEIM(ANT- 4260)]. b) Lateral view of specimen preserved [AMNH-4261]. c) Lateral view of a contracted and preserved specimen [AMNH-4261]. d) Detail of the pedal disc of preserved specimen [AMNH-4261]. Scale bars: a–b, 30 mm; c, 20 mm; d, 5 mm.
FIGURE 27 in <strong>New records of Antarctic and Sub-Antarctic sea anemones (Cnidaria, Anthozoa, Actiniaria and Corallimorpharia) from the Weddell Sea, Antarctic Peninsula, and Scotia Arc</strong>
FIGURE 27. Distribution map of species. a) Actinostola georgiana Carlgren, 1927. b) Hormosoma scotti Stephenson, 1918. c) Stomphia selaginella (Stephenson, 1918). d) Galatheanthemum profundale Carlgren, 1956. e) Actinoscyphia plebeia (McMurrich, 1893). f) Eltaninactis infundibulum Dunn, 1983. Green triangles, type locality; green circles, previous localities; red circles, localities from this study; dark line, Subtropical Front; light line, Polar Front.
FIGURE 33 in <strong>New records of Antarctic and Sub-Antarctic sea anemones (Cnidaria, Anthozoa, Actiniaria and Corallimorpharia) from the Weddell Sea, Antarctic Peninsula, and Scotia Arc</strong>
FIGURE 33. External anatomy of Galatheanthemum profundale Carlgren, 1956. a) Lateral view of an empty chitinous tube formed by a specimen [BEIM(ANT-4203)]. b) Lateral view of preserved specimen [BEIM(ANT-4202)]. c–d) Lateral view of preserved specimens without their chitinous tube [BEIM(ANT-4202)], [AMNH-4204]. Scale bars: a, 30 mm; b–c, 20 mm; d, 15 mm.
FIGURES 15–21 in <strong>New records of Antarctic and Sub-Antarctic sea anemones (Cnidaria, Anthozoa, Actiniaria and Corallimorpharia) from the Weddell Sea, Antarctic Peninsula, and Scotia Arc</strong>
FIGURES 15–21, Thagria biretrorsa, sp. nov. (15) pygofer, lateral view; (16) aedeagus and ventral paraphysis, dorsal view; (17) aedeagus, ventral paraphysis, dorsal connective and segment X, lateral view; (18) style, lateral view; (19) style, dorsal view; (20) dorsal connective and segment X ventral process, dorsobasal view; (21) subgenital plate, lateral view.
FIGURE 25 in <strong>New records of Antarctic and Sub-Antarctic sea anemones (Cnidaria, Anthozoa, Actiniaria and Corallimorpharia) from the Weddell Sea, Antarctic Peninsula, and Scotia Arc</strong>
FIGURE 25. External anatomy of Actinostola georgiana Carlgren, 1927. a) Lateral view of living specimen [AMNH-4766]. b) Lateral view of preserved specimen [AMNH-4766]. c) oral view of preserved and contracted specimen [AMNH-4792]. d) Oral view of preserved specimen [AMNH-4766]. Scale bars: a, 10 cm; b, d, 40 mm; c, 50 mm.
FIGURE 36 in <strong>New records of Antarctic and Sub-Antarctic sea anemones (Cnidaria, Anthozoa, Actiniaria and Corallimorpharia) from the Weddell Sea, Antarctic Peninsula, and Scotia Arc</strong>
FIGURE 36. Cnidae of Actinoscyphia plebeia (McMurrich, 1893). a, b, d, g, h, j, l) Basitrichs. c, e, f) Spirocysts. i) Holotrich. k, m) Microbasic p-amastigophores.
FIGURE 31 in <strong>New records of Antarctic and Sub-Antarctic sea anemones (Cnidaria, Anthozoa, Actiniaria and Corallimorpharia) from the Weddell Sea, Antarctic Peninsula, and Scotia Arc</strong>
FIGURE 31. External anatomy of Stomphia selaginella (Stephenson, 1918). a) Oral view of living specimens brooding juveniles [BEIM(ANT-4505)]. b–c) Oral view of living and expanded specimens [AMNH-4798]. d) Lateral view of preserved specimen [BEIM(ANT-4269)]. e) Oral view of preserved specimen [BEIM(ANT-4269)]. f) View of the pedal disc showing the central protuberance [BEIM(ANT-4275)]. g) Lateral view of several juveniles in different stages of development found brooded in the coelenterons of adult specimens [AMNH-4372]. h) Detail of a brooded juvenile; note its conical shape and the prolonged proximal end [AMNH-4506]. Scale bars: a, d–e, 30 mm; b–c, f, 20 mm; g–h, 10 mm.
FIGURE 23 in <strong>New records of Antarctic and Sub-Antarctic sea anemones (Cnidaria, Anthozoa, Actiniaria and Corallimorpharia) from the Weddell Sea, Antarctic Peninsula, and Scotia Arc</strong>
FIGURE 23. External anatomy of Actinostola crassicornis (Hertwig, 1882). a) Oral view of living specimen [AMNH-4704]. b) View of the pedal disc and distal margin of the column of living specimen [AMNH-4704]. c–d) Lateral view of preserved specimen [AMNH-4698]. Scale bars: a–d, 30 mm.
FIGURE 22 in <strong>New records of Antarctic and Sub-Antarctic sea anemones (Cnidaria, Anthozoa, Actiniaria and Corallimorpharia) from the Weddell Sea, Antarctic Peninsula, and Scotia Arc</strong>
FIGURE 22. Cnidae of Dactylanthus antarcticus (Clubb, 1908). a, c, d, f–i) Holotrichs. b, e) Spirocyst.
FIGURE 24 in <strong>New records of Antarctic and Sub-Antarctic sea anemones (Cnidaria, Anthozoa, Actiniaria and Corallimorpharia) from the Weddell Sea, Antarctic Peninsula, and Scotia Arc</strong>
FIGURE 24. Cnidae of Actinostola crassicornis (Hertwig, 1882). a, b, d, g, i) Basitrichs. c) Spirocyst. e, h, j, k) Microbasic p- mastigophores. f) Microbasic b-mastigophore.
FIGURE 20 in <strong>New records of Antarctic and Sub-Antarctic sea anemones (Cnidaria, Anthozoa, Actiniaria and Corallimorpharia) from the Weddell Sea, Antarctic Peninsula, and Scotia Arc</strong>
FIGURE 20. Cnidae of Liponema multiporum Hertwig, 1882. a, b, d–g) Basitrichs. c) Spirocyst. h) Microbasic p- mastigophore.
FIGURE 19 in <strong>New records of Antarctic and Sub-Antarctic sea anemones (Cnidaria, Anthozoa, Actiniaria and Corallimorpharia) from the Weddell Sea, Antarctic Peninsula, and Scotia Arc</strong>
FIGURE 19. External anatomy of Liponema multiporum Hertwig, 1882 [BEIM(ANT- 3508)]. A) Oral view of living specimen. b) View of the pedal disc of preserved specimen. c) Detail of the tentacles. d) Detail of the arrangement of the tentacles (more than one tentacle per endocele) showed by the holes left by the autotomized tentacles. Scale bars: a–b, 25 mm; c–d, 15 mm.
FIGURE 16 in <strong>New records of Antarctic and Sub-Antarctic sea anemones (Cnidaria, Anthozoa, Actiniaria and Corallimorpharia) from the Weddell Sea, Antarctic Peninsula, and Scotia Arc</strong>
FIGURE 16. External anatomy of Capnea georgiana (Carlgren, 1927). a) Lateral, oral, and basal view of preserved specimens [AMNH-4362]. b) Detail of lateral view of preserved specimen [AMNH-4362]. c) Oral view of preserved specimen [AMNH- 4362)]. d) Detail of the pedal disc of preserved specimen [AMNH-4941]. e–f) View of the oral disc of a preserved specimen showing the distinct tentacles and their arrangement [AMNH-4941]. Scale bars: a, c–e, 20 mm; b, f, 10 mm.
FIGURE 18 in <strong>New records of Antarctic and Sub-Antarctic sea anemones (Cnidaria, Anthozoa, Actiniaria and Corallimorpharia) from the Weddell Sea, Antarctic Peninsula, and Scotia Arc</strong>
FIGURE 18. External anatomy of Stephanthus antarcticus Rodríguez & López-González, 2003. a–b) View of living specimens [AMNH-6000], [BEIM(ANT-1282, 1281, 1609)]). c–d) Lateral view of preserved holotype [ZMH C11680] and paratype [ZMH C11681]. e) Longitudinal section of the distal column and oral disc [ZMH C11680]. f–g) Detail of the proximal column showing non-adherent spots. Scale bars: a–b, d, 10 mm; c, 20 mm; e, 2.5 mm; f–g, 5 mm.
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OpenNeuro
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