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FIGURE 23 in Revision of the genus Setosella (Bryozoa: Cheilostomata) with description of new species from deep-waters and submarine caves of the Mediterranean Sea
FIGURE 23. Woodipora? antilleana (Weisbord, 1967) n. comb. Holotype: 14850, Paleontological Research Institution, Ithaca, New York. a. Gastropod shell encrusted by W.? antilleana with outlines of colonies marked). b. General worn aspect of a colony only partly preserved in furrows between prominent knobs. c. Relatively well-preserved portion of the same colony in (b) occupying a depression. d. Cluster of autozooids and interspersed kenozooids. e. Close-up of the central-upper part in (d). Note some well-preserved autozooids showing their opesiae (short arrows) and large opesiules, and possibly an interzooidal avicularium (long arrow). f. Inclined view to show prominent proximal tubercles. g. Different colony portion with two contiguous large kenozooids or possibly avicularia (arrow). Scale bars: a = 5 mm; b = 1 mm; c, d, f, g = 500 μm; e = 200 μm.
FIGURE 21. Setosella alfioi n in Revision of the genus Setosella (Bryozoa: Cheilostomata) with description of new species from deep-waters and submarine caves of the Mediterranean Sea
FIGURE 21. Setosella alfioi n. sp. PMC. Rosso Collection I.H. B-45b, Archi section, S Calabria, Italy, Middle Pleistocene. a–c. Sample 6. a. Abfrontal surface of a proximally tapering single zooid. b. Inclined, proximal view exposing the contact surface and pore. c. Frontal view of an isolated proximally tapering zooid, presumably the first zooid of a colony. d–f. Sample 12. Different views of a broken, cormidial couplet zooid-vibraculum of a colony with regenerated proximally budded vibraculum. Scale bars: a–c = 100 μm; d–f = 200 μm.
FIGURE 20. Setosella alfioi n in Revision of the genus Setosella (Bryozoa: Cheilostomata) with description of new species from deep-waters and submarine caves of the Mediterranean Sea
FIGURE 20. Setosella alfioi n. sp. Additional material. PMC. Rosso Collection I.H. B-45a, APLABES cruise, Santa Maria di Leuca, off S Apulia, NE Ionian Sea, station AP1, 513 m. a. Colony with partly preserved soft tissues and unbroken first zooid pointing to production through colony budding. b. Close-up of the first zooid with a tubular proximal portion. c. Detail of the proximal tubular end. Scale bars: a = 500 μm; b = 200 μm; c = 100 μm.
FIGURE 22 in Revision of the genus Setosella (Bryozoa: Cheilostomata) with description of new species from deep-waters and submarine caves of the Mediterranean Sea
FIGURE 22. Andreella? fragilis (Canu, 1907) n. comb., NHM D48468, figured by Cheetham (1966), Villers-Saint-Fréderic, Paris Basin. a, b. Two different lateral views of the only available fragment. c. Close-up of some zooids. d. Close-up of an orifice. Scale bars: a–c = 500 μm; d = 100 μm.
FIGURE 18. Setosella alfioi n in Revision of the genus Setosella (Bryozoa: Cheilostomata) with description of new species from deep-waters and submarine caves of the Mediterranean Sea
FIGURE 18. Setosella alfioi n. sp. Holotype: PMC. B27. 30.6.2018a, EOCUMM 1995, Sample 27B, 1096 m depth, off Eolian Islands, SE Tyrrhenian Sea. a. Morphology of the largest colony fragment. b. The distal colony tip in lateral view to show the thickness of the zooids. c. Frontal view of a zooid between the proximal and the distal vibracula, with the incipient budding of a new disto-lateral zooid; note the smooth gymnocyst and cryptocyst and the relatively large and short asymmetrical opesiules, placed at some distance from the orifice. d. Close-up of the orifice with the rounded proximal corners and the distal arched denticulate shelf. e. Lateral view of a vibraculum with the raised distal rostrum. f. The only observed ovicellate zooid. g. Closeup of the ovicell with the wide frontal window. h. Frontal view of a vibraculum with the slightly beaded talon, the lateral, blunt condyles and the distal narrow arched palatum. Scale bars: a = 500 μm; b, c, g = 200 μm; d = 50 μm; e, f, h = 100 μm.
FIGURE 19. Setosella alfioi n in Revision of the genus Setosella (Bryozoa: Cheilostomata) with description of new species from deep-waters and submarine caves of the Mediterranean Sea
FIGURE 19. Setosella alfioi n. sp. Paratypes, PMC. B27. 30.6.2018b, off Eolian Islands, SE Tyrrhenian Sea. A, B. Sample 27B, 1096 m depth. a. Colony fragment. b. Close-up of zooids to show intramural budding. c–e. Sample 26, 945 m depth. Basal views of a colony fragment at different magnifications and inclinations. Note the irregular basal surface formed by variably oriented zooids with completely developed basal walls. Scale bars: a, c–e = 200 μm; b = 100 μm.
FIGURE 17 in Revision of the genus Setosella (Bryozoa: Cheilostomata) with description of new species from deep-waters and submarine caves of the Mediterranean Sea
FIGURE 17. Setosella spiralis Silén, 1942. Paratype 2: SMNH-Type-1893, North Atlantic Ocean, Josephine bank, 36°45,5'N, 14°12,2'W, 500–650 m. a. Colony with multiple spirals. b. Ovicellate zooids at the peripheral row. c. Autozooids, ovicells and vibracula with extended setae along the colony edge. d. Ovicellate zooid with intramural budding. e. Zooids and vibracula with evidences of multiple intramural buddings. Scale bars: a = 1 mm; b, d, e = 200 μm; c = 500 μm.
FIGURE 13. Setosella rossanae n in Revision of the genus Setosella (Bryozoa: Cheilostomata) with description of new species from deep-waters and submarine caves of the Mediterranean Sea
FIGURE 13. Setosella rossanae n. sp. Holotype, PMC. B25. 30.6.2018a, Granchi cave Plemmirio MPA, SE Sicily, c. 20 m depth, sample GR1P. a. Unbleached colony with irregular outline and autozooids roughly arranged in a spiral. b. Close-up of autozooids in the bottom centre of (a). Note the development of the gymnocyst and the irregular elongation of the zooid on the left. c. Periancestrular area after colony bleaching. d. Autozooids and vibracula with evidence of multiple intramural buddings. Scale bars: a = 500 μm; b–d = 200 μm.
FIGURE 16 in Revision of the genus Setosella (Bryozoa: Cheilostomata) with description of new species from deep-waters and submarine caves of the Mediterranean Sea
FIGURE 16. Setosella spiralis Silén, 1942. Paratype 1: SMNH-Type-1893, North Atlantic Ocean, Josephine bank, 36°45,5'N, 14°12,2'W, 500–650 m. a. Well-preserved colony with tightly coiled spiral. b. Periancestrular area. c. Ancestrula with preserved cryptocystal shelf and opesia sealed by a granular closure plate. d. Distal half of a zooid with granular cryptocyst and opesiules. e. Orifice with coarsely granular distal shelf. Scale bars: a = 1 mm; b = 200 μm; c, d = 100 μm; e = 50 μm.
FIGURE 12. Setosella cavernicola Harmelin, 1977. PMC. B26. 30.6.2018c in Revision of the genus Setosella (Bryozoa: Cheilostomata) with description of new species from deep-waters and submarine caves of the Mediterranean Sea
FIGURE 12. Setosella cavernicola Harmelin, 1977. PMC. B26. 30.6.2018c, Fara cave, Lesvos Island, 11–18 m depth, NE Aegean Sea, sampling station F4. a. Portion of a large, dead colony. b. Detail of an autozooid with the distal vibraculum and two large, disto-lateral opesiules. c. Cluster of autozooids with intramural budding. d. Close-up of the bottom-right colony portion in (a) Note the common regenerations in both autozooids and vibracula, some with closure plates. Scale bars: a = 500 μm; b = 100 μm; c, d = 200 μm.
FIGURE 11. Setosella cavernicola Harmelin, 1977. PMC. B26. 30.6.2018c in Revision of the genus Setosella (Bryozoa: Cheilostomata) with description of new species from deep-waters and submarine caves of the Mediterranean Sea
FIGURE 11. Setosella cavernicola Harmelin, 1977. PMC. B26. 30.6.2018c, Fara cave, Lesvos Island, 11–18 m depth, NE Aegean Sea, sampling station FC2. a. Large lobate colony exploiting the extremely uneven surface of concretion cavities. b. Close-up of the central part in (a) with some autozooids, one regenerated as a kenozooid. c. Autozooids from a dead colony portion. d. Cluster of fertile autozooids. e. Ancestrula with associated vibracula located distally and on the lateral left side. Scale bars: a = 1 mm; b, d, e = 200 μm; c = 100 μm.
FIGURE 10. Setosella cavernicola Harmelin, 1977. PMC. B26. 30.6.2018b in Revision of the genus Setosella (Bryozoa: Cheilostomata) with description of new species from deep-waters and submarine caves of the Mediterranean Sea
FIGURE 10. Setosella cavernicola Harmelin, 1977. PMC. B26. 30.6.2018b, Granchi cave, Plemmirio MPA, SE Sicily, W Ionian Sea, sample GR1P. a. View of a large, irregularly lobate colony. b. Periancestrular area with some autozooids showing an incompletely calcified cryptocyst. c. The bottom-right lobe in (a), developing from regeneration of some broken autozooids. d. Close-up of the regeneration line with irregular budding of autozooids and a kenozooid. e. Regenerated colony portion with the central fertile autozooid showing three subsequent intramural buddings. f. Anomalous budding of twin vibracula from a peripheral autozooid. g. Kenozooid (centre top) with a central, large, irregularly-shaped opesia. Scale bars: a, c = 500 μm; b, d–g = 200 μm.
FIGURE 7. Setosella cyclopensis n in Revision of the genus Setosella (Bryozoa: Cheilostomata) with description of new species from deep-waters and submarine caves of the Mediterranean Sea
FIGURE 7. Setosella cyclopensis n. sp. PMC.R.I.H. B1f, Benestare (Calabria), sample 1, late Tortonian-early Messinian. a. Colony enveloping a clast. b. Colony margin with ovicells and kenozooids. c. Close-up of the peripheral row of kenozooids. Scale bars: a–c = 500 μm.
FIGURE 1 in Revision of the genus Setosella (Bryozoa: Cheilostomata) with description of new species from deep-waters and submarine caves of the Mediterranean Sea
FIGURE 1. Setosella vulnerata (Busk, 1860), Leuca, Holocene, colonies from sample AP1 (a, c, j, k, l), AP8 (g, h, i, m) and AP21 (b, d, e, f). a–e Colonies on mollusc shell fragments, except for (d) on a lithic clast. Note the variably shape of the ancestrula and the arrangement of periancestrular autozooids sometimes leaving exposed the substratum. f. Irregular colony with broken ancestrula on an echinoid plate. g. Autozooid and vibracula. h, i. Ovicellate autozooid with dimorfic orifice, and associated distal vibraculum, in frontal and oblique view. j. Ovicellate autozooid with intramural budding. k–m. Three ancestrulae showing the variability of the opesia and the long stolk of the distal vibraculum. Scale bars: a–f = 500 μm; g, j–l = 100 μm; h, i, m = 200 μm.
FIGURE 6. Setosella cyclopensis n in Revision of the genus Setosella (Bryozoa: Cheilostomata) with description of new species from deep-waters and submarine caves of the Mediterranean Sea
FIGURE 6. Setosella cyclopensis n. sp. Paratypes: kenozooids, PMC. B24. 8.3.2018b, Ciclopi MPA, off Catania, W Ionian Sea. a–c. Damaged colony with evidences of reparative regeneration, Ciclopi 2D. a. General view of the colony enveloping the substratum. b, c. Close-up of the damaged zone of the colony with broken zooids, regenerated zooids and newly budded zooids. Note as some kenozooids develop to fill the gaps. d. Two kenozooids with differently developed opesiae, Ciclopi 2G. e. One large kenozooid along the colony edge with a single opesiule-like opening, Ciclopi 12E, same colony of Fig. 4d. f. Contact zone between edges of the same colony enrolling a Ditrupa worm tube marked by local self-overgrowth and the production of kenozooids, Ciclopi 12F. g. Small kenozooid possibly formed as the reparation of a damaged periancestrular zooid, WP123. h, i. Reparative intrazooidal budding Ciclopi 2D, same colony of Fig. 4f. h. Autozooids and a kenozooid. i. Common, multiple intramural budding affecting autozooids and ovicells along the colony edge. Scale bars: a = 500 μm; b–i = 200 μm.
FIGURE 4. Setosella cyclopensis n in Revision of the genus Setosella (Bryozoa: Cheilostomata) with description of new species from deep-waters and submarine caves of the Mediterranean Sea
FIGURE 4. Setosella cyclopensis n. sp. Paratypes: colony morphology, PMC. B24. 8.3.2018b. Ciclopi MPA, off Catania, W Ionian Sea. a. Living saddle-shaped colony, enveloping the concave side of a bioclast but not its exposed top-left part, Banco Apollo. b. Convex colony on the external surface of a bivalve shell, Ciclopi 2D. c. Small highly convex colony on a lithic sandsized clast, Ciclopi 2D. d, e. Frontal and lateral views of a flat colony on a shell fragment, Ciclopi 2E. f. Large highly convex colony on a lithic granule-sized clast. g. Colony nearly completely enveloping a round, lithic clast, Ciclopi 2G. Scale bars: a, e, f = 1 mm; b–d, g = 500 μm.
FIGURE 5. Setosella cyclopensis n in Revision of the genus Setosella (Bryozoa: Cheilostomata) with description of new species from deep-waters and submarine caves of the Mediterranean Sea
FIGURE 5. Setosella cyclopensis n. sp. Paratypes: zooids and vibracula, PMC. B24. 8.3.2018b, Ciclopi Marine Protected Area, off Catania, W Ionian Sea. a–d. Ciclopi 2D. a. Autozooids including frontal membrane and opercula, and vibracula with setae from a periancestrular colony portion. b. Cluster of zooids with intramural budding. c. Opesia with beaded distal shelf. d. Autozooid. e. Vibraculum with evidence of regeneration and a double-rimmed opesia, Ciclopi 12D. f. Cluster of ovicellate autozooids, Ciclopi 2D. Scale bars: a, b, f = 200 μm; c = 50 μm; d = 100 μm; e = 20 μm.
FIGURES 25–28. Setosella folini Jullien, 1882 in Redescription of some bryozoan species originally described by J. Jullien from Iberian waters
FIGURES 25–28. Setosella folini Jullien, 1882 (MNHN 15487). 25, A colony showing processes of regeneration (left); 26, two autozooids showing the opesiulae; 27, first zooid and two autozooids; 28, calcareous layer enclosing the upper part of the external septulum.
FIGURES 21–24. Setosella folini Jullien, 1882 in Redescription of some bryozoan species originally described by J. Jullien from Iberian waters
FIGURES 21–24. Setosella folini Jullien, 1882 (MNHN 1043, lectotype). 21, A colony; 22, basal side of the autozooids; 23, calcareous layer enclosing the upper part of the external septulum; 24, first zooid partially covered by an autozooid.
FIGURE 15 in Revision of the genus Setosella (Bryozoa: Cheilostomata) with description of new species from deep-waters and submarine caves of the Mediterranean Sea
FIGURE 15. Setosella spiralis Silén, 1942. Holotype: SMNH-Type-1893, North Atlantic Ocean, Josephine bank, 36°45,5'N, 14°12,2'W, 500–650 m. a. General appearance of the colony. b. Periancestrular area showing the ancestrula with two associated vibracula and the reversally budded first zooid. c. Close-up of the ancestrula with a granular closure plate. d. Periancestrular zooids and vibracula. e. Close-up of a peripheral zooid with extensively exposed distal gymnocyst. f. Vibraculum showing evidence of intramural budding. Scale bars: a = 500 μm; b, d, e = 200 μm; c = 100 μm; f = 50 μm.
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