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106 results for “Cheilostomatida”
FIGS 2–11 in Two new species of Phylactella (Bryozoa Cheilostomatida) from the Mediterranean area belonging to the P. labrosa (Busk) complex of species
FIGS 2–11. Phylactella mediterranea sp. nov. (2) Part of a colony forming a laminar sheet. Gulf of Noto, PS/81 cruise: sample 9D, 78 m. (3) Portion of the same colony showing linear growth pattern. Gulf of Noto, PS/81 cruise: sample 9D, 78 m. (4) Zooids with well-developed peristomes lacking distal lamina. Gulf of Noto, PS/81 cruise: sample 9D: 78 m. (5) Uniserial row of sterile zooids budding either distally or laterally, at a right angle to the parental one. Case Catarinicchia: BC8 sample, inferred depthw40 m. Sicilian. (6) Primary orifice showing diagnostic features. Case Catarinicchia: BC8 sample, inferred depthw40 m. Sicilian. (7) Primary orifice protected by raised, partially damaged, peristome. Gulf of Noto, PS/81 cruise: sample 9D, 78 m. (8) Detail of a condyle. Ciclopi cruise: sample 12G, 83 m. (9) Doubled peristome of a regenerated zooid. Case Catarinicchia: BC8 sample, inferred depthw40 m. Sicilian. (10) Basal pore chamber. Ciclopi cruise, sample 12E, 62 m. (11) Ovicelled zooid. Note the unperforated frontal area and the peristomial lappets leant to the ovicell. Gulf of Noto, PS/81 cruise: sample 9D, 78 m. Scale bars: 500 Mm (2–5, 11); 100 Mm (6, 7, 9, 10); 10 Mm (8).
FIGS 19–25 in Two new species of Phylactella (Bryozoa Cheilostomatida) from the Mediterranean area belonging to the P. labrosa (Busk) complex of species
FIGS 19–25. Phylactella megarensis sp. nov. All from S. Marcellino section, sample 7: inferred depth 50–60 m, except for figure 25: to sample 2: inferred depth 40 m. (19) Sheet-like portion of a colony with sterile and ovicelled zooids. (20) Zooids showing well-developed peristomes. (21) Detail of the depressed primary orifice showing the arched lyrula and the stout, roundish condyles. (22) Primary orifice slightly tilted to show the beaded anter, partially hidden by peristome. (23) Close-up of a condyle with its crest-like barren proximal part. (24) Detail of an ovicell protected by a nearly complete, convolute and scalloped, peristome. (25) Ancestrula fitting between two echinoid tubercles, giving rise to a unique distal zooid. Scale bars: 500 Mm (19); 200 Mm (20, 25); 50 Mm (21, 22); 10 Mm (23); 100 Mm (24).
FIG. 1 in Two new species of Phylactella (Bryozoa Cheilostomatida) from the Mediterranean area belonging to the P. labrosa (Busk) complex of species
FIG. 1. Location of the studied areas in Sicily and neighbouring seas: squares indicate Recent material, circles indicate fossiliferous outcrops. 1, Gulf of Noto: PS/81 and Noto/95 cruises; 2, Gulf of Catania: Ognina and Ciclopi cruises; 3, Apollo Bank (Ustica); 4, S. Marcellino Pleistocene section; 5, Serra Maloto Pleistocene section; 6, Case Catarinicchia Pleistocene section.
FIG. 17 in Amphiblestrum Gray, 1848 (Bryozoa Cheilostomatida) from the Atlantic-Mediterranean area, with description of a new species
FIG. 17± 21. (17) Amphiblestrum frigidum n. sp. Paratype. Early Pleistocene sands. S. Marcellino section, sample 9. Ancestrula with nine spines. Scale bar: 200 mm. (18) Amphiblestrum frigidum n. sp. Holotype. Early Pleistocene sands. S. Marcellino section, sample 8. Periancestrular area showing Žrst budding pattern. Amphiblestrum frigidum n. sp. Paratype. Early Pleistocene sands. S. Marcellino section, sample 8. (19) Autozooid. Scale bar: 200 mm. (20) Detail of a fertile zooid. Scale bar: 200 mm. (21) Mature part of a colony. Note the ovicells usually show two proximally located avicularia. Scale bar: 200 mm.
FIGS 14 in Amphiblestrum Gray, 1848 (Bryozoa Cheilostomatida) from the Atlantic-Mediterranean area, with description of a new species
FIGS 14±16. Amphiblestrum frigidum n. sp. BMNH 1899.7.1.3622. North Norway, 366– 420 m. Courtesy of M. Spencer Jones. (14) Sterile zooids. Scale bar: 200 mm. (15) Sterile zooids and an ovicellate one. Scale bar: 200 mm. (16) Amphiblestrum frigidum n. sp. BIOICE station 2612, Recent, 350–372 m (IMNH). Sterile zooids with frequent lateral avicularia. Scale bar: 200 mm.
FIG. 24 in Amphiblestrum Gray, 1848 (Bryozoa Cheilostomatida) from the Atlantic-Mediterranean area, with description of a new species
FIG. 24. Amphiblestrum (Aviculamphiblestrum) ruggeroi Rosso, 1999. CR-90-8 sample. Sicily Straits, 212 m (PMC. B9. 26.2.1998). Sterile and fertile zooids with an ovicell overarched by two adventitious avicularia and some larger interzooidal avicularia. Scale bar: 200 mm.
FIGS 8 in Amphiblestrum Gray, 1848 (Bryozoa Cheilostomatida) from the Atlantic-Mediterranean area, with description of a new species
FIGS 8±13. Amphiblestrum solidum (Packard, 1863). BMNH D6831. Pliocene Coralline Crag, SuVolk, England. Courtesy of P. Taylor. (8) Ancestrula. Scale bar: 200 mm. (9) Edge of a colony with some autozooids showing the two oral spines. Scale bar: 200 mm. (10) Ovicellate zooids showing the two persisting oral spines. Scale bar: 200 mm. Amphiblestrum trifolium (Wood, 1844). Lectotype, BMNH B1642. Pliocene Coralline Crag, SuVolk, England. Courtesy of P. Taylor. (11) Autozooids with single proximal avicularia. Scale bar: 200 mm. (12) A mature zone of the same colony with ovicells usually showing two diverging distally located avicularia. Scale bar: 200 mm. (13) Periancestrular area showing the peculiar budding pattern. Scale bar: 200 mm.
FIGS 22, 23 in Amphiblestrum Gray, 1848 (Bryozoa Cheilostomatida) from the Atlantic-Mediterranean area, with description of a new species
FIGS 22, 23. Amphiblestrum lyrulatum (Calvet, 1907). CPM. CL 74, Ligurian Sea, Recent, 110–115 m. (22) Autozooids with evident mushroomed avicularia. Scale bar: 200 mm. (23) Mature zooids. Scale bar: 200 mm.
FIGURE 7. Cribrilaria brasiliensis n in Ten new species of marine bryozoans (Gymnolaemata: Cheilostomatida) from Brazil
FIGURE 7. Cribrilaria brasiliensis n. sp., UFBA 1896.3, holotype. A. Overview of an encrusting colony fragment. B. Group of autozooids and ovicelled zooids. C. Detail of primary orifice. D. Detail of avicularium. E. Detail of kenozooids. F. Detail of ovicells. Scale bars: A. 500 µm; B. 300 µm; C, D, F. 100 µm; E. 200 µm.
FIGURE 9. Crepidacantha fasciata n in Ten new species of marine bryozoans (Gymnolaemata: Cheilostomatida) from Brazil
FIGURE 9. Crepidacantha fasciata n. sp., UFBA 690.1, holotype. A. Overview of an encrusting colony fragment. B. Detail of autozooids. C. Detail of primary orifice. E. Detail of an autozooid and an ovicelled zooid. F. Detail of ovicells. Scale bars: A. 500 µm; B, D–F. 200 µm; C. 50 µm.
FIGURE 10. A–C. Crepidacantha browni n in Ten new species of marine bryozoans (Gymnolaemata: Cheilostomatida) from Brazil
FIGURE 10. A–C. Crepidacantha browni n. sp., UFBA 728.1, holotype. A. Autozooids. B. Detail of primary orifice. C. Ovicelled zooid. Scale bars: A. 200 µm; B, C. 100 µm.
FIGURE 3. Turbicellepora papula n in Ten new species of marine bryozoans (Gymnolaemata: Cheilostomatida) from Brazil
FIGURE 3. Turbicellepora papula n. sp., UFBA 874.1, holotype. A. Overview of a spot-like colony. B. Group of autozooids. C. Detail of primary orifice. D. Detail of ovicell. Scale bars: A. 500 µm; B. 400 µm; C, D. 200 µm.
FIGURE 2. Thalamoporella tupinamba n in Ten new species of marine bryozoans (Gymnolaemata: Cheilostomatida) from Brazil
FIGURE 2. Thalamoporella tupinamba n. sp., UFBA 682.1, holotype. A. Overview of an encrusting colony. B. Detail of orifice. C. Autozooids and vicarious avicularium. D. Ovicelled zooids, autozooids and vicarious avicularium. E. Spicules. F. Basal walls. Scale bars: A. 1 mm; B. 100 µm; C, D, F. 200 µm; E. 50 µm.
FIGURE 6. Rhynchozoon turgidum n in Ten new species of marine bryozoans (Gymnolaemata: Cheilostomatida) from Brazil
FIGURE 6. Rhynchozoon turgidum n. sp., UFBA 2238.12, holotype. A. Overview of an encrusting colony. B. Autozooids at the growing edge. C. Older autozooids. D. Detail of primary orifice. E. Group of ovicelled zooids. F. Detail of ovicells. Scale bars: A. 500 µm; B, C, F. 200 µm; D. 100 µm; E. 250 µm.
FIGURE 8. Hippoporina titan n in Ten new species of marine bryozoans (Gymnolaemata: Cheilostomatida) from Brazil
FIGURE 8. Hippoporina titan n. sp., UFBA 1974.1, holotype. A. Overview of an encrusting colony fragment. B. Detail of autozooids showing primary orifice. C. Ovicelled zooid. D. Detail of ovicell. Scale bars: A. 1 mm; B, C, D. 500 µm.
FIGURE 5. Plesiocleidochasma infundibulum n in Ten new species of marine bryozoans (Gymnolaemata: Cheilostomatida) from Brazil
FIGURE 5. Plesiocleidochasma infundibulum n. sp., UFBA 2991.5, holotype. A. Overview of an encrusting colony. B. Group of autozooids. C. Detail of primary orifice. D. Group of ovicelled zooids. Scale bars: A. 500 µm; B. 400 µm; C, D. 200 µm.
FIGURE 4. Plesiocleidochasma brasiliensis n in Ten new species of marine bryozoans (Gymnolaemata: Cheilostomatida) from Brazil
FIGURE 4. Plesiocleidochasma brasiliensis n. sp., UFBA 012.1, holotype (A–D), UFBA 1884.1, paratype (E, F). A. Overview of an encrusting colony. B. Detail of autozooids. C. Detail of primary orifice. D. Detail of ovicelled zooid. E. Group of autozooids with secondary calcification. F. Peristomial tubercles. Scale bars: A. 500 µm; B, D–F. 200 µm; C. 100 µm.
FIGURE 1 in Ten new species of marine bryozoans (Gymnolaemata: Cheilostomatida) from Brazil
FIGURE 1. Map of the study area in Bahia (BA) and Rio Grande do Norte (RN), northeastern Brazil. Localities: 1, Bacia Potiguar (Potiguar Basin); 2, Costa dos Coqueiros; 3, Baía de Todos os Santos; 4, Costa do Dendê; 5, Costa do Descobrimento; 6, Costa das Baleias.
FIGURE 11. A–D Hippopodina inarmata n in Ten new species of marine bryozoans (Gymnolaemata: Cheilostomatida) from Brazil
FIGURE 11. A–D Hippopodina inarmata n. sp., UFBA 2003.1, holotype. A. Overview of an encrusting colony fragment. B. Detail of primary orifice. C. Autozooids and ovicelled zooid. D. Detail of ovicells. Scale bars: A, B, C. 500 µm; D. 200 µm.
FIG. 11 in Unexpected diversity of the genus Collarina Jullien, 1886 (Bryozoa, Cheilostomatida) in the NE Atlantic-Mediterranean region: new species and reappraisal of C. balzaci (Audouin, 1826) and C. fayalensis Harmelin, 1978
FIG. 11. — Geographical distribution of Collarina gautieri Harmelin, n. sp. in the NE Atlantic and the Mediterranean. Origin of records: Red, Atlantic; 1-5, Bishop (1994); 6, De Blauwe (2006); 7-8, MNHN; 9, De Blauwe (2019); 10, Álvarez (1987); 11-12, Reverter collection; 13, Souto et al. (2010); Blue, Mediterranean; 1-2, this paper, coll. by TM-MZ; 3-4, this paper, coll. by JGH; 5, MNHN collection, Calvet (1906); 6, Chimenz Gusso et al. (2014); 7, NHMUK 1911.10.1.684; 8, Hayward & McKinney (2002).
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