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13 results for “Disporella”
Figure 16. Disporella compta n in Diversity and taxonomy of rocky-intertidal Bryozoa on the Island of Hawaii, USA
Figure 16. Disporella compta n. sp., holotype (NHM 2006.7.21.22): (A) partial view of colony, showing one elongate and two oval maculae among seven maculae present in colony; (B) enlargement of a macula; (C) columns of fused peristomes of three to four autozooids; (D) enlargement of kenozooidal opening showing palm-tree-shaped pinhead spinules. All specimens bleached. Scale bars: 2 mm (A); 1 mm (B); 400 Mm (C); 50 Mm (D).
Fig. 62. A, B. Disporella hispida, yellow variety. A in Northern Adriatic Bryozoa From The Vicinity Of Rovinj, Croatia
Fig. 62. A, B. Disporella hispida, yellow variety. A. Ancestrula and early autozooids (AMNH 1048; 0.1 mm). B. Young colony (AMNH 1049; 0.5 mm). C–I. Patinella radiata. C. Fertile colony (AMNH 1050; 0.5 mm). D. Short ooeciostome with circular ooeciopore (AMNH 1050; 0.1 mm). E. Radiating fascicles of autozooids separated by alveoli, and growing edge of colony (AMNH 1051; 0.1 mm). F. Stellateheaded spines within autozooids (AMNH 1051; 0.02 mm). G. Broken ancestrula (AMNH 1052; 0.1 mm). H. Ancestrula and first autozooids of young colony (specimen destroyed; 0.05 mm). I. Ancestrula and first zooids of young colony in early stages of reflection of basal lamina back over ancestrula, establishing radial growth (AMNH 1048; 0.2 mm).
Fig. 61. Disporella hispida. A, B. Yellow colonies with 9 tentacles. A in Northern Adriatic Bryozoa From The Vicinity Of Rovinj, Croatia
Fig. 61. Disporella hispida. A, B. Yellow colonies with 9 tentacles. A. Ontogenetic increase in tentacle and exposed introvert length: Filled circles plot maximum tentacle length within lophophores (Y = 106.231 + 0.250X), open circles plot minimum tentacle lengths (Y = 106.340 + 0.159X), and diamonds plot exposed introvert length (Y = ‾27.526 + 0.090X). B. Ontogenetic increase in lophophore diameter (Y = 189.359 + 0.110X). C, D. White colonies with 10 tentacles. C. Ontogenetic increase in tentacle and exposed introvert length: Filled circles plot maximum tentacle length within lophophores (Y = 156.909 + 0.514X), open circles plot minimum tentacle lengths (Y = 172.051 + 0.226X), and diamonds plot exposed introvert length (Y = ‾35.225 + 0.166X). D. Ontogenetic increase in lophophore diameter (Y = 192.398 + 0.330X).
Fig. 60. A–J. Disporella hispida. A–D. Yellow variety. A in Northern Adriatic Bryozoa From The Vicinity Of Rovinj, Croatia
Fig. 60. A–J. Disporella hispida. A–D. Yellow variety. A. General aspect (AMNH 1043; 0.5 mm). B. Autozooids (orifices at top) largely buried below alveoli (AMNH 1044; 0.2 mm). C. Spines within autozooid closed by inset diaphragm (AMNH 1043; 0.02 mm). D. Growing edge of colony, with minimal orificial spines (AMNH 1043; 0.1 mm). E–J. white variety. E. Colony with incompletely formed central brood chamber (AMNH 1046; 0.5 mm). F. Spinose orifice of autozooid, and alveoli (AMNH 1046; 0.1 mm). G. Spines within autozooid (AMNH 1047; 0.01 mm). H. Growing edge of colony with spinose autozooidal orifices (AMNH 1048; 0.1 mm). I. Fertile colony with completely formed brood chamber and ooeciostome (AMNH 1047; 0.5 mm). J. Ooeciostome (AMNH 1047; 0.05 mm).
Fig. 5 in Disporella guada sp. nov., an erect-ramose rectangulate cyclostome (Bryozoa, Stenolaemata) from the Caribbean Sea: convergent evolution in bryozoan colony morphology
Fig. 5. Brood chambers in Disporella guada Harmelin, Taylor & Waeschenbach sp. nov. A. Paratype (NHMUK 2021.2.25.1). B–D. Holotype (MNHN-IB-2017-696). A. Brood chamber with 8 lateral branches, thinly covered by secondary calcification. B. Thicker mesh of secondary calcification over a brood chamber. C. Transverse section of branch intersecting six lobes of ramifying brood chambers. D. Two ooeciopores (open arrowheads) at the end of a lateral branch of a brood chamber.
Fig. 2 in Disporella guada sp. nov., an erect-ramose rectangulate cyclostome (Bryozoa, Stenolaemata) from the Caribbean Sea: convergent evolution in bryozoan colony morphology
Fig. 2. Photographs (A–B) and scanning electron micrographs of Disporella guada Harmelin, Taylor & Waeschenbach sp. nov. A. Holotype, specimen kept dry (MNHN-IB-2017-696). B. Seven variously shaped colonies (top row, left to right: NHMUK 2021.2.25.1, 2021.3.19.2, 2018.1.15.63, 2021.3.19.1; bottom row, left to right: NHMUK 2021.6.14.1, 2021.6.14.2, 2021.6.14.3). C. Longitudinal section of a specimen (NHMUK 2021.3.19.1) with two branches; 1: endozone, 2: exozone, 3: basal part with central primary attachment zone (3a) and secondary peripheral attachment zone (3b). D–E. NHMUK 2021.3.19.2. D. Growing tip. E. Interzooecial walls at growing tip.
Fig. 3 in Disporella guada sp. nov., an erect-ramose rectangulate cyclostome (Bryozoa, Stenolaemata) from the Caribbean Sea: convergent evolution in bryozoan colony morphology
Fig. 3. Disporella guada Harmelin, Taylor & Waeschenbach sp. nov.A. Non-type (MNHN-IB-2017-700). B–C, E. Holotype (MNHN-IB-2017-696). D. Paratype (NHMUK 2021.2.25.1). A. Elongated maculae. B. Mixture of peristomate autozooids and kenozooids. C. Part of a transverse section of a terminal branch showing the endozone, exozone and intersecting ramifications of several gonozooids (larger white cavities). D. Kenozooids and autozooids with small peristomes bearing pointed processes. E. Kenozooids and autozooidal peristomes of various sizes and shapes.
Fig. 1 in Disporella guada sp. nov., an erect-ramose rectangulate cyclostome (Bryozoa, Stenolaemata) from the Caribbean Sea: convergent evolution in bryozoan colony morphology
Fig. 1. Underwater photos of specimens of Disporella guada Harmelin, Taylor & Waeschenbach sp. nov.; Guadeloupe, Islet Tête-à-l'Anglais, 5 m. A. Holotype (MNHN-IB-2017-696); photo Y. Bouchon- Navaro, 10 Oct. 2014. B. Another large specimen; photo C. Bouchon, 7 Nov. 2016.
FIGURE 11. A–D. Disporella minicamera n in New seamount- and ridge-associated cyclostome Bryozoa from New Zealand
FIGURE 11. A–D. Disporella minicamera n. sp. (TAN0104 Stn 3). A, B, whole colonies with globular brood chambers; C, infertile colony; D, brood chamber with broad transverse ooeciostome. E, F. Disporella minutissima n. sp. (TAN0104 Stn 3); E, close-up of ooeciostome; F, whole colony with short, smooth base and central brood chamber with ooeciostome.
FIGURES 59–62. Disporella xianqiureni n in Cyclostome bryozoans from Qingdao, South Yellow Sea, China
FIGURES 59–62. Disporella xianqiureni n. sp. Lingshan Island. 59, 60. Holotype MBM 284332. 59. General view. 60. Detail of the indistinct gonozooid with ooeciopore. 61. Paratype MBM 284347, detail of the ooeciopore with prominent lips and numerous spines inside the kenozooids and autozooids. 62. Paratype MBM 284345, showing the position of the gonozooid. Scale bars: 59–62 = 100 µm.
Fig. 6 in Disporella guada sp. nov., an erect-ramose rectangulate cyclostome (Bryozoa, Stenolaemata) from the Caribbean Sea: convergent evolution in bryozoan colony morphology
Fig. 6. Bayesian analysis of the concatenated 18S + 28S rDNA dataset constructed using MrBayes ver. 3.6.2 under the GTR + I + G model of nucleotide evolution. The analysis was run for 10 million generations; 7 million generations were discarded as burn-in. Posterior probabilities are given at the nodes. All nodes with <0.95 posterior probabilities have been collapsed. The branch length scale bar indicates number of substitutions per site. Higher level classification is given at the right-hand side. Emboldened terminals indicate newly generated data.
Fig. 4 in Disporella guada sp. nov., an erect-ramose rectangulate cyclostome (Bryozoa, Stenolaemata) from the Caribbean Sea: convergent evolution in bryozoan colony morphology
Fig. 4. Disporella guada Harmelin, Taylor & Waeschenbach sp. nov. A. Paratype (NHMUK 2021.2.25.1). B–C, F–H. Holotype (MNHN-IB-2017-696). D–E. Paratype (NHMUK 2021.3.19.1). A. Frontal view of autozooids with short peristomes interspersed with kenozooids. B–C. Calcified diaphragms with a central lumen closing an autozooid (B) and a kenozooid (C). D–E, G. Longitudinal sections of zooids showing the moniliform walls with mural pustules, and the communication pores. F. Funnel-shaped diaphragm with a sectioned autozooid. H. Mural spines and pustules surrounding a communication pore.
FIGURE 18. Disporella phaohoa n in Taxonomy and diversity of coelobite bryozoans from drift coral cobbles on Co To Island, northern Vietnam
FIGURE 18. Disporella phaohoa n. sp. A, B, D–F. VNMN-0268, three colonies; C. Paratype, VNMN-0269. A. Paratype, colony with one macula. B. Paratype, alveoli. C. Paratype, colony with one macula. D. Holotype, colony with irregular, elongate macular center, showing broken ooecium just to left of center. E. Paratype, colony in oblique view, showing raised peristomes at margin. F. Paratype, enlargement from colony in E from slightly different angle, showing constricted orifice (lower left) and presumed ooeciostome (arrowhead). Scale bars: A, C–E, 1 mm; B, 100 µm; F, 250 µm.
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