Find research datasets worth reusing

Fig. 7 in Revision of the Genus Schizoretepora (Bryozoa, Cheilostomatida) from the Atlantic-Mediterranean region

Fig. 7. Schizoretepora aviculifera (Canu & Bassler, 1930). A–B, F–G from Schizellozoon aviculiferum, holotype, coll. Canu (MNHN-IB-2014-24); C from specimen labelled as Schizellozoon longisetae (MNHN-IB-2008-11127); D, H from Schizellozoon granulosum, syntype, coll. Canu (MNHN-IB-2014-21); E from Schizellozoon aviculiferum (MNHN-IB-2008-11126). A. Frontal colony view. B. Primary orifice detail. C. Apical view of colony (note the articulated and carenated spines). D. Old ovicellate colony. E. Detail of young autozooids showing ovicells in formation and adventitiuos avicularia (note the giant club-like spine). F. Ovicellate zooids. G. Abfrontal view with avicularia. H. Abfrontal view showing triangular avicularia.

Fig. 6 in Revision of the Genus Schizoretepora (Bryozoa, Cheilostomatida) from the Atlantic-Mediterranean region

Fig. 6. Available characteristics of Schizoretepora dentata (Calvet, 1931). A. Original drawing from Calvet (1931). B. Actual condition of the type housed at MOM. Scale bar: 1 mm.

Fig. 12 in Revision of the Genus Schizoretepora (Bryozoa, Cheilostomatida) from the Atlantic-Mediterranean region

Fig. 12. Distribution of specimens studied: Schizoretepora imperati (1 = Retepora imperati, syntype (NHMUK 1934.2.16.23); 2 = Retepora imperati, syntype (NHMUK 1963.2.12.202)); Schizoretepora dentata (3 = Schizellozoon dentatum, holotype (MOM INV-22494-42 0559)); Schizoretepora calveti (4 = S. calveti, lectotype (MNHN-IB-2008-7565); 5 = Schizellozoon tesselatum Hincks var. nov. Calvet, 1931); Schizoretepora aviculifera (6 = Schizellozoon aviculiferum (MNHN-IB-2008-11126) and Schizellozoon longisetae (MNHN-IB-2008-11127); 7 = Schizellozoon granulosum, syntype (MNHN-IB-2014-21); 8 = Schizellozoon aviculiferum, holotype (MNHN-IB-2014-24)); Schizoretepora hassi (9 = Harmelin et al. 2007); Schizoretepora sp. nov. (= S. imperati sensu O'Donoghue & de Watteville 1939) (10 = S. imperati (NHMUK 1963.9.4.12)); Schizoretepora pungens (11 = S. longisetae, lectotype (MNHN-IB-2014-19); 12 = Retepora imperati (NHMUK 1911.10.1.813); 13 = S. pungens, syntype (MNHN-IB-2014-20); 14 = Retepora imperati (NHMUK 1911.10.1.1374); 15 = Retepora imperati (MNHN-IB-2014-29); 16 = Retepora imperati (MNHN-IB-2008-6052); 17 = S. imperati (MNHN-IB-2008-11299); 18 = S. imperati in Rosso et al. 2010); Schizoretepora serratimargo (19 = Hincks 1886; 20–23 = Rosso et al. 2010; 24–27 = Harmelin et al. 2007; 28 = Reverter-Gil & Pulpeiro 2007); Schizoretepora solanderia (29 = Risso 1826; 30 = Calvet 1902; 31 = S. solanderia (MZB 2014-1471); 32–36 = Rosso et al. 2010).

Fig. 5 in Revision of the Genus Schizoretepora (Bryozoa, Cheilostomatida) from the Atlantic-Mediterranean region

Fig. 5. Schizoretepora solanderia (Risso, 1826), Menorca Channel (A–B, D, G–H: MZB 2014-1471; C, E–F: MZB 2014-1486). A. Colony view. B. Detail of aperture. C. Growing margin with autozooids showing up to six spines. D. Older ovicellate autozooids with giant vicarious avicularia. E. Detail of articulated and carenated spines. F. Marginal avicularia showing nested piling of cystids. G. Details of ovicell. H. Abfrontal view with avicularia.

Fig. 11 in Revision of the Genus Schizoretepora (Bryozoa, Cheilostomatida) from the Atlantic-Mediterranean region

Fig. 11. Schizoretepora sp. nov. (= S. imperati sensu O'Donoghue & de Watteville 1939), from Schizoretepora imperati, coll. O'Donoghue (NHMUK 1963.9.4.12). A. Colony view. B. Primary orifice showing distal denticles and proximal condyles. C. Autozooids with giant avicularia. D. Large vicarious avicularia on cystid. E. Abfrontal view. F. Detail of abfrontal avicularium and rugose surface.

Fig. 3 in Revision of the Genus Schizoretepora (Bryozoa, Cheilostomatida) from the Atlantic-Mediterranean region

Fig. 3. Principal component analysis (PCA) biplot based on metric characters of the species Schizoretepora aviculifera (Canu & Bassler, 1930), S. granulosa (Canu & Bassler, 1930), S. hassi Harmelin, Bitar & Zibrowius, 2007, S. imperati (Busk, 1884), S. imperati sensu O'Donoghue & de Watteville 1939, S. imperati of other authors, S. longisetae (Canu & Bassler, 1928) and S. pungens (Canu & Bassler, 1925).

Fig. 10 in Revision of the Genus Schizoretepora (Bryozoa, Cheilostomatida) from the Atlantic-Mediterranean region

Fig. 10. Schizoretepora pungens (Canu & Bassler, 1925). A from Schizoretepora imperati, coll. Gautier (MNHN-IB-2008-11299); B, F from Schizoretepora pungens (MNHN-IB-2008-14434); C from Schizoretepora pungens, holotype, coll. Canu (MNHN-IB-2014-20); D from specimen labelled as Schizoretepora imperati (MNHN-IB-2008-9955); E, G from specimen labelled as Schizoretepora longisetae, coll. Canu (MNHN-IB-2014-19); H from Schizoretepora pungens (MNHN-IB-2008-14045). A–B. Two ovicell aspects in young colonies. C. Deeply immersed ovicells in older colonies. D. Abfrontal face showing rugose kenozooids separated by raised sutures. E. Abfrontal face showing two types of adventitious avicularia, both oval and almond-shaped. F. Abfrontal detail of giant avicularium at the basis of a fenestra and small oval avicularia. G. Aspect of spinose colony. H. Aspect of serrated colony.

Fig. 4. Schizoretepora calveti d in Revision of the Genus Schizoretepora (Bryozoa, Cheilostomatida) from the Atlantic-Mediterranean region

Fig. 4. Schizoretepora calveti d'Hondt, 1975, lectotype (MNHN-IB-2008-7565). A. Colony view. B. Detail of aperture and avicularia. C. Young autozooids and avicularia in frontal view. D. Older autozooids and avicularia in frontal view. E. Ovicellate zooids. F. Abfrontal view with avicularia.

Fig. 2 in Revision of the Genus Schizoretepora (Bryozoa, Cheilostomatida) from the Atlantic-Mediterranean region

Fig. 2. Dendrogram on qualitative characters (frontal shield surface; frequency of frontal pores; peristome shape; frequency of adventitious avicularia, abfrontal vicarious avicularia, abfrontal oval adventitious avicularia and abfrontal triangular adventitious avicularia; abfrontal surface; ovicell shape) of the species that constitute the imperati-group: S. aviculifera (Canu & Bassler, 1930), S. granulosa (Canu & Bassler, 1930), S. imperati (Busk, 1884), S. imperati from other authors, S. longisetae (Canu & Bassler, 1928) and S. pungens (Canu & Bassler, 1925). Schizoretepora "imperati" sensu O'Donoghue & de Watteville 1939 has been excluded from the analysis because it lacks ovicells.

Fig. 9 in Revision of the Genus Schizoretepora (Bryozoa, Cheilostomatida) from the Atlantic-Mediterranean region

Fig. 9. Schizoretepora pungens (Canu & Bassler, 1925). A from specimen labelled as Schizellozoon longisetae, Gautier leg. (MNHN-IB-2008-11127); B, H from specimen labelled as Retepora imperati, coll. Canu (MNHN-IB-2014-29); C from specimen labelled as Schizellozoon longisetae (MNHN-IB-2008-14462); D from Schizoretepora pungens, holotype, coll. Canu (MNHN-IB-2014-20); E from Schizoretepora pungens (MNHN-IB-2008-14434); F from specimen labelled as Retepora imperati (MNHN-IB-2008-982); G from specimen labelled as Retepora imperati, coll Calvet (MNHN-IB-2008-6052). A. Young colony with spines. B. Primary orifice showing distal denticles, proximal condyles, sinus and smothered peristome. C. Young autozooids showing spines and acute peristomes. D. Old autozooids lacking spines and with smothered peristomes. E. Detailed view of articulated and carenated club-like spines. F. Adventitious triangular (upper side) and oval (bottom right) avicularians. G. Giant avicularium at basis of fenestra. H. Giant avicularia on large cystids showing crossbar without columella.

Fig. 1 in Revision of the Genus Schizoretepora (Bryozoa, Cheilostomatida) from the Atlantic-Mediterranean region

Fig. 1. Preparations of the 'imperati-group': Schizoretepora aviculifera (Canu & Bassler, 1930) (MNHN-IB-2014-24), S. granulosa (Canu & Bassler, 1930) (MNHN-IB-2014-21), S. imperati (Busk, 1884) (MNHN-IB-2014-29), S. longisetae (Canu & Bassler, 1928) (MNHN-IB-2014-19) and S. pungens (Canu & Bassler, 1925) (MNHN-IB-2014-20). Specimens located at the Departments of Zoology and Paleontology of the MNHN in Paris.

FIG. 15 in On some "Hemicyclopora" Norman, 1894 and "Escharella" Gray, 1848 species (Bryozoa, Cheilostomatida) from the Atlantic-Mediterranean region. Re-examination of their generic status and description of new species and a new genus

FIG. 15. — Scutocyclopora dentata (López de la Cuadra & García-Gómez, 1991) n. comb.: A, one non-ovicellate and three ovicellate zooids; B, two non-ovicellate zooids with high, indented peristome; C, E, ovicellate zooid with nodular frontal shield and endooecium and orifice edged by a vizor on the ovicell and a collar with pseudo-spines; D, non-ovicellate zooid with indented collar, orifice with internal arch ending in step-shaped condyles, and small marginal pores; F, young stage of a colony with ancestrula. Origin of specimens: A, Italy, Campania, Palinuro Cape, Scaletta Cave, 47 m; B, E, France, Port-Cros, Bagaud Cave, 5 m; C, France, Provence, Trémies cave, 6 m; D, F, Italy, Sicily, off Avola, 100 m. Scale bars: A, C, 200 µm; B, D, E, 100 µm; F, 300 µm.

FIG. 13 in On some "Hemicyclopora" Norman, 1894 and "Escharella" Gray, 1848 species (Bryozoa, Cheilostomatida) from the Atlantic-Mediterranean region. Re-examination of their generic status and description of new species and a new genus

FIG. 13. — Hemicyclopora sp. 2: A, colony on a fragment of coral skeleton; B, same colony, zooids showing a typical profile with a great distal thickness, a terminal orifice, a vertical distal wall, and a terminal, highly recumbent ovicell; C, frontal view of non-ovicellate and ovicellate zooids. Origin: Asturias, Thalassa X301; MNHN-IB-2017-1559. Scale bars: A, 1 mm; B, C, 400 µm.

FIG. 10 in On some "Hemicyclopora" Norman, 1894 and "Escharella" Gray, 1848 species (Bryozoa, Cheilostomatida) from the Atlantic-Mediterranean region. Re-examination of their generic status and description of new species and a new genus

FIG. 10. — Distal part of ovicellate and non-ovicellate zooids, and ancestrulae, all at the same scale: A-C, Hemicyclopora neatonensis n. sp.; D-F, H. hexaspinae n. sp.; G- I, Escharella similis Ramalho, Rodríguez-Aporta & Gofas, 2022. Drawings from SEM pictures and examination under stereomicroscope. Origin: A-C, Sicily; D-F, Provence; G-I, Alboran Sea. Scale bar: 200 µm.

FIG. 12. — Hemicyclopora hexaspinae n in On some "Hemicyclopora" Norman, 1894 and "Escharella" Gray, 1848 species (Bryozoa, Cheilostomatida) from the Atlantic-Mediterranean region. Re-examination of their generic status and description of new species and a new genus

FIG. 12. — Hemicyclopora hexaspinae n. sp.: A, ancestrula, note the large size of the cryptocyst; B, ancestrula and daughter zooids; C, autozooid with a tubule budded from a distolateral pore-chamber; D, ancestrula with three successive daughter zooids, the third one with a basal tubular part budded by the ancestrula; E, same ancestrula and zooids, sketch from stereomicroscopic examination: darkening by Mn-Fe oxides increasing from the youngest zooid to the ancestrula attesting to the very slow growth in confined dark caves. Origin: A, C-E, Provence, 3PP Cave; B, Ustica Island, Apollo Bank. Scale bars: A, 50 µm; B, 300 µm; C-E, 100 µm.

FIG. 9 in On some "Hemicyclopora" Norman, 1894 and "Escharella" Gray, 1848 species (Bryozoa, Cheilostomatida) from the Atlantic-Mediterranean region. Re-examination of their generic status and description of new species and a new genus

FIG. 9. — "Hemicyclopora" pytheasi n. sp.: A, colony with many ovicells and its ancestrula; another ancestrula with a single daughter zooid, both marked (a); B, ovicellate zooids with converging oral spines; C, ovicellate and non-ovicellate zooids, with a small zooid regenerated inside a broken cystid; D, distal part of two ovicellate zooids and an interzooidal porous kenozooid; E, juvenile colony with ancestrula; F, distal part of a non-ovicellate zooid, orifice with typically convex proximal edge; G, inner side of an orifice showing the lyrula-like suboral umbo and three basal pores of spines (partly visible on the right side). Origin: Atlantic, Armorican margin; Biaçores Stn 259; A, B, paratype PMC-B33.5.52021; C, D, F, G, paratype MNHN-IB-2017-775; E, paratype MNHN-IB-2017-777. Scale bars: A, 1 mm; B, C, E, 200 µm; D, 100 µm; F, G, 50 µm.

FIG. 6. — Hemicyclopora celtica n in On some "Hemicyclopora" Norman, 1894 and "Escharella" Gray, 1848 species (Bryozoa, Cheilostomatida) from the Atlantic-Mediterranean region. Re-examination of their generic status and description of new species and a new genus

FIG. 6. — Hemicyclopora celtica n. sp.: A, colony with clustered ovicells; B, small portion of a colony, note the occurrence of six, seven or eight spines in nonovicellate zooids, and 6 spines in ovicellate zooids; C, non-ovicellate and ovicellate zooids, all with six spines, ovicells associated with a distal autozooid; D, nonovicellate zooids with small marginal pores, subterminal orifice edged by six spines, prominent condyles and markedly convex proximal edge; E, F, non-ovicellate and ovicellate zooids, note the granular frontal shield with tiny marginal pores, the terminal orifice of the non-ovicellate zooid with eight prominent basal parts of spines, and ovicells with endooecium formed by the distal autozooid; G, H, frontal view of two orifices, with eight spines and a moderately convex proximal edge (G) and six spines and a triangular proximal edge (H); I, inner side of an orifice with smooth surface and basal pores of spines. Origin: Armorican Margin, A, C, D, Thalassa Z398, paratype PMC.B35.2021; B, E-I, Thalassa Z435, paratype MNHN-IB-2017-780. Scale bars: A, 1 mm; B, 400 µm; C, 200 µm; D-F, G-I, 100 µm.

FIG. 5 in On some "Hemicyclopora" Norman, 1894 and "Escharella" Gray, 1848 species (Bryozoa, Cheilostomatida) from the Atlantic-Mediterranean region. Re-examination of their generic status and description of new species and a new genus

FIG. 5. — Hemicyclopora discrepans (Jullien in Jullien & Calvet, 1903): A, colony with ovicellate zooids bearing six, seven, or eight oral spines; B, non-ovicellate zooid with eight spines, primary orifice with internal arch and protruding condyles, and granular frontal shield; C, three ovicellate zooids with six spines and ovicells inserted between the base of distal autozooids; D, zooids with long, curved spines, large porous area lateral to orifice and ovicells attached to distal maternal wall, one under construction; E, orifice with triangular, down-curved condyles, concave proximal edge with a narrow rim of gymnocyst; F, lateral view of the distal part of an ovicellate zooid with eight spines, large marginal pores and the ovicell with the basal kenozooid; G, two zooids, one ovicellate, both with eight spines, frontal shield and endooecium with pointed granules. Origin: A, B, F, G, Alboran Sea, Balgim DW132, 170 m; C, D, E, Atlantic, Gorringe Bank, Seamount 1 DW5, 180 m. Scales bars: A, 400 µm; B, F, 100 µm; C, D, G, 200 µm; E, 50 µm.

FIG. 11. — Hemicyclopora hexaspinae n in On some "Hemicyclopora" Norman, 1894 and "Escharella" Gray, 1848 species (Bryozoa, Cheilostomatida) from the Atlantic-Mediterranean region. Re-examination of their generic status and description of new species and a new genus

FIG. 11. — Hemicyclopora hexaspinae n. sp.: A, ovicellate and non-ovicellate zooids at the edge of a small colony, with frontal shield bulged and granular; B, C, ovicellate zooids: terminal ovicells with six curved spines, attached to maternal distal wall and lying on a small kenozooid responsible for ovicell formation; D, colony edge with six ovicells: two fully grown and four under construction from a basal kenozooid; E, ovicellate zooid with thick bases of spines; F, orifice of non-ovicellate zooid: six basal parts of spines, concave proximal edge and prominent condyles; G, shape of the oral spines in a non-ovicellate zooid:. Origin: A, B, F, G, paratype MNHN-IB-2017-772, Provence, 3PP Cave; C, paratype MNHN-IB-2017-773, Provence, Cape Morgiou Cave; D, paratype PMC.B29.8.11.2020; Ustica Is., Apollo Bank; E, Atlantic, Balgim DR49. Scale bars: A, D, 300 µm; B, E, G, 100 µm; C, 200 µm; F, 50 µm.

FIG. 7 in On some "Hemicyclopora" Norman, 1894 and "Escharella" Gray, 1848 species (Bryozoa, Cheilostomatida) from the Atlantic-Mediterranean region. Re-examination of their generic status and description of new species and a new genus

FIG. 7. — Escharella similis Ramalho, Rodríguez-Aporta & Gofas, 2022: A, edge of colony with five ovicellate zooids; B, non-ovicellate zooids with eight oral spines and a triangular proximal umbo; C, orifice of non-ovicellate zooid showing the lyrula-like inner bump and the proximal peristomial umbo in vertical view; D, two zooids, one with a terminal ovicell associated to a tiny basal kenozooid and orifice with a lyrula-like bump; E, distal part of an ovicellate zooid with 8 spines, a triangular peristomial umbo, and the orifice of the ovicell in an upper position; F, orifice of a non-ovicellate zooid with a low inner protuberance and step-shaped condyles. Origin: A, B, C, E, F, Alboran Sea, Balgim DW132; D, Atlantic, Gulf of Cadiz, Balgim DR42. Scale bars: A, 400 µm; B, D, 200 µm; C, E, F, 100 µm.