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62 results for “Microporella”
FIGURE 10. M in Bryodiversity in the tropics: taxonomy of Microporella species (Bryozoa, Cheilostomata) with personate maternal zooids from Indian Ocean, Red Sea and southeast Mediterranean
FIGURE 10. M. harmeri, primary orifice in specimens from different localities. Red Sea: Safaga Bay (A) and Ras Mohammed (F); Indian Ocean: S Africa (B), Oman (C) and Maldives (D); SE Mediterranean: Lebanon (E).
FIGURE 5 in Bryodiversity in the tropics: taxonomy of Microporella species (Bryozoa, Cheilostomata) with personate maternal zooids from Indian Ocean, Red Sea and southeast Mediterranean
FIGURE 5. Savigny's drawings of M. coronata. Left: non-ovicellate zooid (Savigny 1817, pl. 9, fig. 7.3); right: zooid with personate ovicell (Savigny 1817, pl. 9, fig. 7.4), named Flustra umbracula by Audouin (1826)
FIGURE 6. M. hastingsae n in Bryodiversity in the tropics: taxonomy of Microporella species (Bryozoa, Cheilostomata) with personate maternal zooids from Indian Ocean, Red Sea and southeast Mediterranean
FIGURE 6. M. hastingsae n. sp., specimen Natural History Museum, London n° 1926.9.6.238, from the Suez Canal. A: nonovicellate zooids with two avicularia. B: zooids with complete ovicell without personate collar (to the right) and young forming ooecium. Note large marginal pores surrounding entooecium (photos courtesy M. Spencer Jones and J. Scholz).
FIGURE 9. M in Bryodiversity in the tropics: taxonomy of Microporella species (Bryozoa, Cheilostomata) with personate maternal zooids from Indian Ocean, Red Sea and southeast Mediterranean
FIGURE 9. M. harmeri, ascopore: variability of shape. A: S Africa, Indian Ocean. B: Safaga Bay, Red Sea. C: Oman, Indian Ocean. D: Ras Mohammed, Red Sea. Scale bars A-D = 10 µm.
FIGURE 8. M in Bryodiversity in the tropics: taxonomy of Microporella species (Bryozoa, Cheilostomata) with personate maternal zooids from Indian Ocean, Red Sea and southeast Mediterranean
FIGURE 8. M. harmeri, specimens from Red Sea, Safaga Bay (A, B) and Ras Mohammed (C), Indian Ocean, Oman (D, F) and SE Mediterranean, Selaata (E). A: part of colony with non-ovicellate zooids. B: Distal half of a cleaned non-ovicellate zooid. C: uncleaned non-ovicellate zooids with asymmetrical lanceolate mandibles. D: part of colony with ovicells. E: detail of a cleaned maternal zooid with ovicell showing the entooecium and the personate peristomial collar. F: ancestrula and peri-ancestrular zooids. Scale bars: A, C, D, F = 200 µm; B, E = 100 µm.
FIGURE 4. M in Bryodiversity in the tropics: taxonomy of Microporella species (Bryozoa, Cheilostomata) with personate maternal zooids from Indian Ocean, Red Sea and southeast Mediterranean
FIGURE 4. M. coronata, specimens from Lebanon, SE Mediterranean. A: cleaned non-ovicellate zooid with 6 oral spines, paired avicularia and ascopore edged with a proximal bulge. B: uncleaned non-ovicellate zooid with long setiform mandibles. C: maternal zooid with peristomial collar including the ascopore and joined lateral flaps, and ovicell with vizor (proximal part of ectooecium) and nodular, pseudoporous wall (entooecium). D: secondary orifice of a maternal zooid with un-fused lateral flaps. E: ancestrula (to the left) with 10 spines. Scale bars: A–E = 100 µm.
FIGURE 3. M. collaroides n in Bryodiversity in the tropics: taxonomy of Microporella species (Bryozoa, Cheilostomata) with personate maternal zooids from Indian Ocean, Red Sea and southeast Mediterranean
FIGURE 3. M. collaroides n. sp., paratype specimen 2010-0003-0002 DPUV from Jeddah, Red Sea. A: part of the colony with non-ovicellate zooids and personate ovicell (below). B: part of the same colony with ovicells without personate structure. C: distal zooid with ooecium and personate maternal zooid with typical peristomial collar. D: latero-distal view of a maternal zooid showing the secondary orifice formed by the peristomial collar and entooecium with 'pseudopores'. E: distal half of a non-ovicellate autozooid with primary orifice, ascopore and avicularium. F: primary orifice with wavy distal edge, broad proximal edge bordered with oval bars and lateral condyles. Scale bars: A, C = 200 µm; B = 400 µm; D, E = 100 µm; F = 50 µm.
FIGURE 1. M. browni n in Bryodiversity in the tropics: taxonomy of Microporella species (Bryozoa, Cheilostomata) with personate maternal zooids from Indian Ocean, Red Sea and southeast Mediterranean
FIGURE 1. M. browni n. sp., specimens from Oman, Indian Ocean (A-C: paratype 2010-0001-0009 DPUV; F: paratype 2010- 0001-0009 DPUV). A: Distal half of a cleaned non-ovicellate zooid with five oral spines. B: Part of colony with a personate maternal zooid and ovicell and four zooids with initial stage of ovicell formation, two with a single avicularium and two without. C: Primary orifice with 4 oral spines, distal denticles, corrugated proximal edge and low condyles at the corners. D: uncleaned zooids with 5 or 6 oral spines, avicularium and setiform mandible folded over the frontal wall. E: gutter-shaped lower face of mandible bearing pointed processes near its basis. F: growing margin of a colony showing basal pore chambers. G: ancestrula and peri-ancestrular zooids. Scale bars: A, D, F = 100 µm; B, G = 200 µm; C, E = 50 µm.
FIGURE 11. M in Bryodiversity in the tropics: taxonomy of Microporella species (Bryozoa, Cheilostomata) with personate maternal zooids from Indian Ocean, Red Sea and southeast Mediterranean
FIGURE 11. M. harmeri, mandible of avicularium. A: channelled rostrum and mandible folded over the frontal shield; S Africa, Indian Ocean. B: zooids with mandibles in resting position; note the more or less curled lanceolate wings; Oman, Indian Ocean. C: detail of an opened mandible showing the articulation, the stalk and the basal hook which clamps the mandible to the rostrum tip; Ras Mohammed, Red Sea. D: mandible in resting position, with a typical asymmetrical lanceolate shape; Oman, Indian Ocean. Scale bars: A, D = 50 µm; B = 200 µm; C = 25 µm.
FIGURE 2. M. browni n in Bryodiversity in the tropics: taxonomy of Microporella species (Bryozoa, Cheilostomata) with personate maternal zooids from Indian Ocean, Red Sea and southeast Mediterranean
FIGURE 2. M. browni n. sp., specimens from Maldive Islands, Indian Ocean (A, C) and Beirut, SE Mediterranean (B, D, E) displaying the same morphological features. A–B: zooids with ovicells; C–D: primary orifice; E: rimmed ascopore and avicularium. Scale bars: A–B = 100 µm; C–E = 50 µm.
FIGURE 13 in Bryodiversity in the tropics: taxonomy of Microporella species (Bryozoa, Cheilostomata) with personate maternal zooids from Indian Ocean, Red Sea and southeast Mediterranean
FIGURE 13. Geographical distribution of the six studied Microporella species with personate ovicells. B: M. browni n. sp.; Cl: M. collaroides n. sp.; Cr: M. coronata; G: M. genisii; H.: M. harmeri; M: M. maldiviensis n. sp.
FIGURE 31. Microporella protea Winston, 2005 in Bryozoa of Floridan Oculina reefs
FIGURE 31. Microporella protea Winston, 2005: A, portion of a mature colony; B, autozooids; C, single autozooid, showing position of orificial spines, avicularium and ascopore; D, group of zooids with ooecia; E, an orifice with five spines; F, an orifice with four spines. Scale bars: A, D, 0.2 mm; B, C, 0.1 mm; E, F, 0.02 mm.
FIGURES 66–71. Microporella curta n in Diversity of marine bryozoans inhabiting demosponges in northeastern Brazil
FIGURES 66–71. Microporella curta n. sp., UFBA 1580, holotype, Bahia State, Brazil. 66, Group of autozooids; 67, Detail of autozooid with four oral spines and a single avicularium; 68, Detail of D-shaped primary orifice and reniform ascopore; 69, Detail of avicularium; 70, Zooids with personate ovicells; 71, Detail of ovicell. Scale bars: 66 = 200 µm; 67, 71 = 100 µm; 68, 69 = 50 µm; 70 = 250 µm.
FIGURE 13. Microporella gappai n in New deep Cheilostomata (Bryozoa) species from the Southwestern Atlantic: shedding light in the dark
FIGURE 13. Microporella gappai n. sp., HOLOTYPE. A, PORTION OF A COLONY; B, DETAIL OF THE PRIMARY ORIFICE WITH AN AVICULARIUM; C, PORTION OF A COLONY WITH OVICELLS; D, DETAIL OF AN OVICELL. SCALE bARS: A, C, 200 ΜM; B, 100 ΜM; D, 1 MM.
Figure 2. Microporella arctica Norman, 1903 in Arctic species of the cheilostome bryozoan Microporella, with a redescription of the type species
Figure 2. Microporella arctica Norman, 1903, Vadsö, Norway, lectotype, NHM 11.10.1.1244, bleached apart from I. (A) Group of zooids with complete and incomplete ovicells; (B) autozooid and avicularium; (C) ovicellate zooids; (D) growing edge; (E) oblique view of growing edge showing pore chamber windows; (F) ascopore; (G) orifice with condyles present in each proximolateral corner; (H) avicularium; (I) avicularian mandible. Scale bars: 200 mm (A); 20 mm (B, G); 100 mm (C, D, E); 10 mm (F, H); 30 mm (I).
Figure 1 in Arctic species of the cheilostome bryozoan Microporella, with a redescription of the type species
Figure 1. Microporella ciliata (Pallas, 1766), Bay of Naples, bleached. (A) Group of zooids, some ovicellate; (B) autozooid and avicularium; (C) ovicellate autozooid; (D) colony margin showing pore chamber windows; (E) ancestrula and early zooids; (F) ancestrula with closure plate; (G) tilted orifice with one oral spine base, condyles and small hinge teeth; (H) avicularium; (I) ascopore. (A, B, C, E, G, H, I), neotype, NHM 2008.02.06.1; (D, F), NHM 2008.02.06.3. Scale bars: 200 mm (A); 30 mm (B); 100 mm (C, D, E, F); 20 mm (G, H); 10 mm (I).
Figure 3 in Arctic species of the cheilostome bryozoan Microporella, with a redescription of the type species
Figure 3. Microporella klugei sp. nov., Isfjorden, West Spitsbergen, bleached apart from J. (A) Group of zooids, some ovicellate; (B) ancestrula and surrounding zooids; (C) ovicellate zooid; (D) growing edge showing pore chamber windows; (E) autozooid; (F) avicularium; (G) orifice; (H) ascopore in early astogeny; (I) ascopore in later astogeny; (J) avicularium with mandible. (A, B, C, D, E, I), holotype, NHM 2008.02.06.12; (F), paratype, NHM 2008.02.06.13; (G, H), paratype, NHM 2008.02.06.14; (J), paratype, NHM 2008.02.06.15. Scale bars: 200 mm (A, B); 100 mm (C, D, E, J); 20 mm (F, G); 10 mm (H, I).
Data from: Bryozoan genera Fenestrulina and Microporella no longer confamilial; multi-gene phylogeny supports separation
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Fig. 11 in Erect bifoliate species of Microporella (Bryozoa, Cheilostomata), fossil and modern
Fig. 11 (opposite page). Microporella modesta sp. nov., Recent, Algeria. A–C. Holotype NHMUK 1869.10.6.6a (unbleached). A. General view of the branch tip. B. Group of autozooids at the branch tip. C. Close-up of the orifice with four oral spine bases, suboral mucro concealing the ascopore, and avicularium with the long, pointed mandible open. D–F. NHMUK 1869.10.6.6b. D. Group of zooids, mostly ovicellate. E. Close-up of ovicells. F. Close-up of an orifice and two aVicularia, the one on the left with intramural budding. G. NHMUK 1869.10.6.6c, ascopore. H. NHMUK 1869.10.6.6d, damaged zooid with two aVicularia on the left zooidal margin. Scale bars: A, D = 1 mm; B = 200 µm; C, F–H = 100 µm; E = 500 µm.
Fig. 13 in Erect bifoliate species of Microporella (Bryozoa, Cheilostomata), fossil and modern
Fig. 13. Geographical distribution of the nine bifoliate species of Microporella Hincks, 1877 known to date. Red circles indicate fossil occurrences, while black lozenges indicate living records. 1 = M. bifoliata, Miocene, Maryland, USA; 2 = M. tanyae sp. nov., Pliocene, Virginia, USA; 3 = M. hastigera (Busk, 1884), Recent, Azores, Central Atlantic; 4 = M. hyadesi (Jullien, 1888), Recent, Falklands Islands and Magellan Strait, South Atlantic; 5 = M. ordo Brown, 1952, Pleistocene (Wanganui Basin) to Recent (Spirits Bay) New Zealand; 6 = M. ordoides sp. nov., Recent, Campbell Plateau, New Zealand; 7 = M. lingulata sp. nov., Recent, Foveaux Strait, New Zealand; 8 = M. modesta sp. nov., Recent, Mediterranean off Algeria; 9 = M. sp. 1, Recent, Puysegur Bank, New Zealand.
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