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1,069 results for “bryozoans”
FIGURES 53–57 in Early Pleistocene and Holocene bryozoans from Indonesia
FIGURES 53–57. Adeonellopsis arculifera (Canu & Bassler, 1929), Holocene, UPGG041, off South Sulawesi. 53–55. RGM.1350556. 53. View of a branch fragment. 54. Close-up of two autozooids. 55. Close-up of two vicarious avicularia. 56, 57. RGM.1350557. 56. View of part of the branch. 57. Group of zooids and vicarious avicularia. Scale bars: Fig. 53 = 1 mm; Figs 54, 55 = 100 µm; Figs 56, 57 = 200 µm.
FIGURES 133–136. Characodoma wesselinghi n in Early Pleistocene and Holocene bryozoans from Indonesia
FIGURES 133–136. Characodoma wesselinghi n. sp., Holocene, UPGG041, off South Sulawesi. 133, 134. Holotype RGM.1350579. 133. View of a branch (erect growth phase). 134. Group of zooids with various adventitious avicularia. 135. Paratype, RGM.1350580, close-up of zooids with partly-formed ooecia. 136. Paratype, RGM.1350581, colony on a shell fragment (encrusting growth phase). Scale bars: Fig. 133 = 500 µm; Figs 134, 136 = 200 µm; Fig. 135 = 100 µm.
FIGURES 25–28 in Early Pleistocene and Holocene bryozoans from Indonesia
FIGURES 25–28. Cupuladria guineensis (Busk, 1854), RGM.1350551, Holocene, UPGG041, off South Sulawesi. 25. General view of the colony. 26. Close-up of the ancestrula and early astogeny with closure plates. 27. Close-up of autozooids and vibracula at the colony edge. 28. General view of the basal surface showing the hexagonal sectors. Scale bars: Fig. 25 = 600 µm; Fig. 26 = 200 µm; Fig. 27 = 100 µm; Fig. 28 = 1 mm.
FIGURES 116–119 in Early Pleistocene and Holocene bryozoans from Indonesia
FIGURES 116–119. Porina australiensis (Haswell, 1880), early Pleistocene, Java. 116, 117. RGM.1350572. 116. General view of a fragment with lateral offset. 117. Close-up of secondary orifices with peristomial avicularia and frontal avicularia. 118, 119. RGM.1350573. 118. General view of a fragment. 119. Close-up of an autozooid. Scale bars: Figs 116, 118 = 500 µm; Figs 117, 119 = 200 µm.
FIGURES 35–40 in Early Pleistocene and Holocene bryozoans from Indonesia
FIGURES 35–40. Adeonella cf. lichenoides (Lamarck, 1816), RGM.1350554, early Pleistocene, Java. 35. View of a bifurcated branch fragment. 36. Group of autozooids with frontal adventitious avicularia and rounded vicarious avicularium. 37. Group of zooids, some with sealed orifices. 38. Group of autozooids with suboral avicularium variable in size, shape and orientation, and a fertile zooid. 39. Close-up of an autozooid with suboral and frontal avicularia. 40. Zooids with frontal avicularia variable in shape. Scale bars: Fig. 35 = 500 µm; Figs 36, 38–40 = 100 µm; Fig. 37 = 200 µm.
FIGURES 113–115. Lanceopora formosa Harmer, 1957, RGM.1350571 in Early Pleistocene and Holocene bryozoans from Indonesia
FIGURES 113–115. Lanceopora formosa Harmer, 1957, RGM.1350571, Holocene, UPGG041, off South Sulawesi. 113. View of the lanceolate, bilaminar colony. 114. Group of zooids. 115. Close-up of an orifice. Scale bars: Fig. 113 = 500 µm; Fig. 114 = 100 µm; Fig. 115 = 20 µm.
FIGURES 128, 129 in Early Pleistocene and Holocene bryozoans from Indonesia
FIGURES 128, 129. Actisecos regularis Canu & Bassler, 1927, Holocene, UPGG041, off South Sulawesi. 128. RGM.1350576, frontal view of a colony fragment. 129. RGM.1350577, close-up of the basal side of two autozooids with ooecium and rootlet pores. Scale bars: Fig. 128 = 500 µm; Fig. 129 = 200 µm.
FIGURE 127 in Early Pleistocene and Holocene bryozoans from Indonesia
FIGURE 127. Hippopodina feegeensis (Busk, 1884), RGM.1350575, Holocene, UPGG041, off South Sulawesi. Fragment with a few zooids. Scale bar: 200 µm.
FIGURES 98–105. Calyptotheca sidneyi n in Early Pleistocene and Holocene bryozoans from Indonesia
FIGURES 98–105. Calyptotheca sidneyi n. sp., Holocene, UPGG041, off South Sulawesi. 98–102. RGM.1350567. 98. General view of the encrusting colony. 99. Close-up of an autozooid, a vicarious avicularium and an ovicellate zooid. 100. Close-up of a vicarious avicularium. 101. Close-up of an orifice. 102. Close-up of an ooecium. 103, 104. RGM.1350568. 103. General view of an erect colony fragment. 104. Close-up of a vicarious avicularium. 105. RGM.1350569, group of autozooids from an erect colony fragment. Scale bars: Fig. 98 = 1 mm; Figs 99, 100, 102, 104 = 100 µm; Fig. 101 = 50 µm; Fig. 103 = 400 µm; Fig. 105 = 200 µm.
FIGURES 124–126. Margaretta tenuis Harmer, 1957, RGM.1350574 in Early Pleistocene and Holocene bryozoans from Indonesia
FIGURES 124–126. Margaretta tenuis Harmer, 1957, RGM.1350574, Holocene, UPGG041, off South Sulawesi. 124. View of an internode. 125. Close-up of a secondary orifice, with the peristome showing the basal ridge and the adjacent ascopore. 126. Close-up of a tripartite basis rami adjacent to a peristome and a transversely D-shaped primary orifice. Scale bars: Fig. 124 = 500 µm; Fig. 125 = 100 µm; Fig. 126 = 200 µm.
FIGURES 137, 138 in Early Pleistocene and Holocene bryozoans from Indonesia
FIGURES 137, 138. Characodoma biavicularium (Canu & Bassler, 1929), holotype, USNM 8067, Recent, Sulu Archipelago, Philippines. 137. Group of zooids. 138. Close-up of two autozooids. Scale bars: 200 µm.
FIGURES 86–88 in Early Pleistocene and Holocene bryozoans from Indonesia
FIGURES 86–88. Stylopoma cf. varus Tilbrook, 2001, RGM.1350565, Holocene, UPGG041, off South Sulawesi. 86. View of the colony fragment. 87. Close-up of two autozooids, adventitious avicularia and a broken ovicell. 88. Close-up of an orifice. Scale bars: Fig. 86 = 200 µm; Fig. 87 = 100 µm; Fig. 88 = 50 µm.
Figure 8 in The bryozoan genus Conopeum (Electridae) in New Zealand, with description of a new species and discussion of the morphological and genetic characters of Conopeum seurati (Canu, 1928)
Figure 8. Maximum-likelihood phylogram based on 18SrDNA sequences of Conopeum and related taxa. Support is shown as alrt/bootstrap values above the branch, and Bayesian PP values below. Support values are shown only if two methods exceed the following cutoffs: alrt, 0.9; bootstrap 0.8 and PP 0.9. The new Zealand taxon is shown in bold.
FIGURE 2 in New species, genera, families, and range extensions of freshwater bryozoans in Brazil: the tip of the iceberg?
FIGURE 2. Hislopia corderoi from multiple sites around Santarém. a) Portion of a colony, scale bar = 1 mm; b) Hibernaculum, scale bar = 0.2 mm; c) Adjacent zooids with constricted areas between them, scale bar = 0.5 mm; d) Adjacent zooids with wider areas between them, scale bar = 0.5 mm; e) Single zooid showing stout dorsal spines and sclerotized peristome, scale bar = 0.2 mm.
FIGURES 7–12. Catenicella pseudoelegans n in New bryozoan taxa from a new marine conservation area in New Zealand, with a checklist of Bryozoa from Greater Cook Strait
FIGURES 7–12. Catenicella pseudoelegans n. sp. 7, 9. Unizooidal internodes. 8, Bizooidal internode. 10–12, Right lateral, frontal, and dorsal views of bizooidal ovicelled internode. Scale bars: Figs 7–12 = 100 µm.
FIGURES 29–32. Reteporella aurantiaca n in New bryozoan taxa from a new marine conservation area in New Zealand, with a checklist of Bryozoa from Greater Cook Strait
FIGURES 29–32. Reteporella aurantiaca n. sp. 29, Portion of mature colony showing fenestrae and zooids with and without ovicells. 30, Ovicells and giant frontal avicularium. 31, Zooids showing small frontal avicularia. 32, Small and giant abfrontal avicularia. Scale bars: Fig. 29 = 1 mm; Figs 30–32 = 100 µm.
FIGURE 21 in Scanning electron microscopy study of Lars Silén's cheilostome bryozoan type specimens in the historical collections of natural history museums in Sweden
FIGURE 21. Camptoplites tubifera Silén, 1941. Lectotype (designated here) UPSZTY 2460B, Japan. A. General view of the specimen. B. Close-up of an autozooid emanating from the connecting branch tube. C. Close-up of ovicellate zooids with pedunculate avicularia of two types, narrow and elongate and rounded. D, E. Close-ups of rounded avicularia. Scale bars: A = 1 mm; B, D, E = 200 µm; C = 500 µm.
FIGURE 11 in Scanning electron microscopy study of Lars Silén's cheilostome bryozoan type specimens in the historical collections of natural history museums in Sweden
FIGURE 11. Chaperiopsis boninensis (Silén, 1941). Holotype UPSZTY 2464, Bonin Islands, Japan. A. Group of zooids with branched, cervicorn spines. B. Group of zooids showing the distal and the proximal stalked avicularia. Scale bars 120 µm.
FIGURE 19 in Scanning electron microscopy study of Lars Silén's cheilostome bryozoan type specimens in the historical collections of natural history museums in Sweden
FIGURE 19. Sarsiflustra japonica Silén, 1938, Japan. A–C. Lectotype UPSZTY 2476B. A. Ancestrula and early astogeny. B. Close-up of autozooids and vicarious avicularia. C. Close-up of an avicularium lacking the mandible and showing the semicircular opening and the cryptocystal shelf of the rostrum. D. Paralectotype UPSZTY 2476A, irregularly shaped kenozooids at the lateral margins of the colony frond. Scale bars: A, B, D = 500 µm; C = 200 µm.
FIGURE 29 in <p class="HeadingRunIn" align="left"><strong><em>Cradoscrupocellaria</em>, a new bryozoan genus for <em>Scrupocellaria bertholletii</em> (Audouin) and related species (Cheilostomata, Candidae): taxonomy, biodiversity and distribution</strong></p>
FIGURE 29. Cradoscrupocellaria hirsuta (Jullien & Calvet, 1903) n. comb. A–F, NHMUK 1911.10.1.386, Madeira. A, Frontal surface of colony. B, Frontal surface of branch; note the presence of distolateral avicularia and very long distal spines. C, Lateral view of branch bifurcation. D, Close-up of two autozooids; note the small aquiline frontal avicularia. E, Abfrontal surface of colony. F, Abfrontal surface of branch bifurcation; note the smooth rhizoids.
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