Find research datasets worth reusing

FIG. 8 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. 8. — Outlines of orifice, apertural bar, avicularium and portion of costate shield and gymnocyst: A, Collarina gautieri Harmelin, n. sp.; B, C. macaronensis Harmelin, n. sp.; C, C. speluncola Harmelin, n. sp. Scale bar: 100 µm (orifices), 50 µm (avicularia).

FIG. 5 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. 5. — Collarina fayalensis Harmelin, 1978: A-C, non-ovicelled and ovicelled autozooids showing the structure and limited extent of the costate shield, orifice dimorphism, small spines and relatively narrow avicularia; D, non-ovicelled zooid, for marginal pores; E, drawing from Harmelin (1978: fig. 9); F, distal part of a non-ovicelled zooid from a colony edge; G, proximal half of costate shield, note the distribution of pelmata and the shape of the basal intercostal spaces. Origin: Azores - Saô Miguel, Vila Franca Is., 15 m (A-C, F, G); Formigas Is., 15 m, 'Jean Charcot' Biaçores 1971, P.43 (D); Faial, 'Jean Charcot' Biaçores 1971, P.11 (E). Scale bars: A, 200 µm; B-D, 100 µm, F, 50 µm; G, 25 µm.

FIG. 3 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. 3. — Collarina balzaci (Audouin, 1826), NW Mediterranean: A, B, ovicelled and non-ovicelled zooids, note the abundance of large pseudopores (pelmata) on both the spinocyst and the ooecium; C, distal portion of a non-ovicelled zooid with no adventitious avicularia; D, distal portion of an ovicelled zooid, note the broader orifice, the shape of the apertural bar and the position of the adventitious avicularium; E, structure of the costate shield and the peripheral gymnocyst; F, adventitious avicularium with rostrum finely serrated, slightly hooked tip, and broad, rounded opesia; G, ancestrula with five spines, partly covered by filamentous microphyte. Origin: Marseille, Planier Islet, on Posidonia leaf. Scale bars: A, 200 µm; B, G, 100 µm; C-E, 50 µm; F, 25 µm.

FIG. 10 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. 10. — Collarina gautieri Harmelin, n. sp., NE Atlantic: A, Lepralia punctata Hassall, 1841: Busk 1854, pl. 96, fig. 3; B, C, ovicelled and non-ovicelled autozooids, note the typically curved spines associated with ovicells, the orientation of the avicularia and the respective extent of costate shield and gymnocyst; D, part of a young colony including the ancestrula (right) and the colony edge with 2 ovicelled zooids (left); E, non-ovicelled zooid (right) and fertile zooid with an early stage of the ooecium formation (middle), note the typical shape of the orifices and the structure of the costate shield with large marginal pelmata; F, ancestrula. Origin: B, Devon, coll. by JDB; C, NHMUK 1973.4.6.1, Raasay Sound, Scotland: Species A, Bishop (1986); D, Galicia, Malpica; E, Galicia, Ferrol; F, Algarve, coll. by JS. Scale bars: B, D, 200 µm; E, F, 100 µm.

FIG. 7 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. 7. — Outlines of orifice, apertural bar, avicularium and portion of costate shield and gymnocyst: A, Collarina balzaci (Audouin, 1826); B, C. fayalensis Harmelin, 1978, C, C. denticulata Harmelin, n. sp. Scale bar: 100 µm (orifices), 50 µm (avicularia).

FIG. 12 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. 12. — Collarina macaronensis Harmelin, n. sp.: A, B, colony edge, general view and detail with ovicelled and non-ovicelled zooids; C, oblique view: structure of costate shield, apertural bar, paired and apical avicularia; D, G, non-ovicelled zooids with typical traits: concave orifice poster, avicularia directed disto-laterally, costate shield with lower central part and digitate margin, large pelmata also present on the gymnocyst; E, Collarina balzaci (Audouin, 1826): Harmelin (1978a, fig. 8), Azores, Faial; F, distal part of non-ovicelled zooid with typical orifice, apertural bar with large and small pseudopores, and 3 spines; H, specimen from a continental area. Origin: A, B, NHMUK 1899.7.1.2105, Madeira, J.Y. Johnson leg.; C, NHMUK 1911.10.1.705, Madeira; D, F, G, MNHN-IB-2014-1927, Madeira, Baixo Is.; H, Galicia, Sisargas Is. Scale bars: A, 400 µm; B, C, 200 µm; D, H 100 µm; F, G, 50 µm.

FIG. 15 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. 15. — Types of ooecia in Collarina Jullien, 1886 species: A-C, kenozooidal ooecia with and without distal avicularium (A, C. speluncola Harmelin, n. sp; B, C. fayalensis Harmelin, 1978; C, C. macaronensis Harmelin, n. sp.); D, C. denticulata Harmelin, n. sp., colony portion with two kenozooidal ooecia (left) and three ooecia incorporated in distal autozooid (right); E, C. macaronensis Harmelin, n. sp., 2 ovicelled zooids with kenozooidal ooecium (left) vs ooecium incorporated in distal autozooid (right). Origin: A, Marseille, Conger Cave; B, Azores, Saô Miguel, Vila Franca Is.; C, E, Madeira, NHMUK 1911.10.1.705; D, Catalonia, Medes Is. Scale bars: A-C, E 100 µm, D, 200 µm.

Fig. 12. Microporella umbonata Hincks, 1883 in Diversity and distribution of intertidal Microporella (Bryozoa: Cheilostomatida) from California

Fig. 12. Microporella umbonata Hincks, 1883, (NHMUK 1921.11.17.15), Departure Bay, Vancouver, Canada. A. Group of zooids, some with ovicells. B. Distal end of zooid, showing ovicell and avicularium. C. Close-up showing C-shaped ascopore with projecting tongue and denticulate margin, and concave proximal margin of orifice with triangular condyles. Scale bars: A = 400 µm; B = 100 µm; C = 40 µm.

Fig. 11 in Diversity and distribution of intertidal Microporella (Bryozoa: Cheilostomatida) from California

Fig. 11. Microporella umboniformis Soule, Soule & Chaney, 1995, holotype (SBMNH 671678) (previously AHF 213), Velero BS 1064, off Santa Barbara Island (33°30′1.00008″ N, 119°2′20.00004″ W), depth 49 m, California, USA. A. Group of zooids showing single or paired adventitious avicularia and five to six oral spines. Note the consistent absence of umbones lateral to orifice. B. Close-up of a zooid at colony margin showing six robust spines, paired avicularia and a short, pointed umbo proximal to ascopore. C. Close-up of orifice showing two small condyles at some distance from corners and proximal margin slightly concave between condyles as in M. umbonata. D. Close-up of C-shaped ascopore with denticulations. E. Group of zooids with some at the bottom showing larger pseudopores, likely due to the absence of the external layer of calcification, and some others with extensive secondary calcification. F. Close-up of one of the zooids in (E) showing larger pseudopores likely due to the lack of external frontal calcification. G–H. Close-ups of the same ovicell in frontal and lateral view, respectively. Note that the two proximalmost spines are retained. Scale bars: A = 500 µm; B–C = 200 µm; D = 50 µm; E = 1 mm; F–H = 250 µm.

Fig. 9. Microporella setiformis O in Diversity and distribution of intertidal Microporella (Bryozoa: Cheilostomatida) from California

Fig. 9. Microporella setiformis O'Donoghue & O'Donoghue, 1923 (SBMNH 704776), Black Sand Beach, Lost Coast, California, USA. A. Group of zooids, some ovicellate. B. Autozooids and kenozooids (white asterisks) at colony growing edge. C. Close-up of orifice, showing low condyles, ascopore, and avicularia with crossbar missing. D. Close-up of ovicellate zooids with avicularia showing complete crossbar. E. Close-up of marginal zooid showing exposed pore chamber windows. F. Group of autozooids with two oral spines, some indicated with arrows. Scale bars: A = 1 mm; B = 500 µm; C = 50 µm; D, F = 250 µm; E = 150 µm.

Fig. 8 in Diversity and distribution of intertidal Microporella (Bryozoa: Cheilostomatida) from California

Fig. 8. Microporella neocribroides Dick & Ross, 1988 (SBMNH 704692), Stengel Beach, California, USA. A. Group of autozooids lacking avicularia and showing two distolateral oral spines. B. Group of zooids lacking avicularia, with ovicells in various stages of development. C. Group of zooids, mostly ovicellate, and some with avicularia. D. Group of zooids, some in formation, at colony growing edge. E. Close-up of the orifice and reticulate ascopore. Scale bars: A–D = 500 µm; E = 50 µm.

Fig. 5. Microporella cribrosa Osburn, 1952 in Diversity and distribution of intertidal Microporella (Bryozoa: Cheilostomatida) from California

Fig. 5. Microporella cribrosa Osburn, 1952, holotype (SBMNH 668403) (previously AHF 80), Corona del Mar (36°31′59.998169″ N, 121°56′59.989014″ W), Newport Harbor, Orange County, California, USA. A. Group of ovicellate zooids with two oral spines visible and paired avicularia with setiform mandibles. B. Group of zooids, most ovicellate, with umbones hiding the ascopore; one zooid showing five robust oral spines. C. Close-up of frontal shield and ovicells showing the simple (i.e., nonreticulate) pseudopores. D–E. Close-ups of ascopore showing well-developed distal projections and radial denticulations converging towards the centre giving to the lunate aperture a reticulate appearance. F. Tatiform ancestrula, seemingly regenerated as a kenozooid with adventitious avicularium, and early astogeny with zooids showing up to 7 oral spines. Scale bars: A–B, F = 500 µm; C = 200 µm; D = 100 µm; E = 50 µm.

Fig. 6 in Diversity and distribution of intertidal Microporella (Bryozoa: Cheilostomatida) from California

Fig. 6. Microporella similis Chowdhury & Di Martino sp. nov. A–C. Holotype (SBMNH 704271), Velero 1232–41, 5 miles from San Pedro Breakwater, California, USA. D. Paratype (SBMNH 702583), Laguna Beach, California, USA. E–G. Paratype (SBMNH 703675), Santa Catalina Island, California, USA. H–L. Paratype (SBMNH 668408), Bahia Todos Santos, Mexico. A. Group of autozooids, some ovicellate. B. Close-up of ascopore. C. Ancestrula and periancestrular zooids. D. Close-up of autozooids showing the orifice. E. Autozooids with multiple umbones on the frontal shield. F. Close-up of multiporous septula. G. Close-up of a young autozooid at colony growing edge showing the length of oral spines. H. Close-up of an open mandible. I. Ovicellate zooids with quadrangular umbo. J. Group of zooids, one showing a third avicularium (see arrow). K. Close-up of ascopore. L. Close-up of reticulate pseudopores. Scale bars: A = 1 mm; B = 100 µm; C, I = 500 µm; D = 250 µm; E, G = 200 µm; F = 50 µm; H = 120 µm; J = 300 µm; K–L = 20 µm.

Fig. 4 in Diversity and distribution of intertidal Microporella (Bryozoa: Cheilostomatida) from California

Fig. 4. Microporella rota Chowdhury & Di Martino sp. nov., all California, USA. A, D, F. Paratype (SBMNH 704769), Pillar Point. B–C. Holotype (SBMNH 704766), Shelter Cove. E, G. Paratype (SBMNH 704767), Mill Creek. H. Paratype (SBMNH 706126), Marshall Gulch. A. Group of autozooids with umbonate frontal shield. B. Group of ovicellate zooids. C. Close-up of the ascopore, reticulate pseudopores (see also insert), and orifice. D. Partially overgrown tatiform ancestrula and first budded autozooid lacking an avicularium. E. Close-up of multiporous septula. F. Aberrant zooids, lacking an orifice but with avicularium and ascopore (seemingly triple in the aberrant zooid at the bottom), formed at the edge of encounter between two colonies. G. Autozooid with two avicularia on the same side. H. Autozooids having avicularia with preserved mandibles. Scale bars: A–B, F, H = 500 µm; C = 200 µm; D = 150 µm; E = 50 µm; G = 250 µm.

Fig. 2 in Diversity and distribution of intertidal Microporella (Bryozoa: Cheilostomatida) from California

Fig. 2. Microporella dentata Chowdhury & Di Martino sp. nov., holotype (SBMNH 704789), MacKerricher State Park, California, USA. A. General view of colony. B. Group of autozooids, each with four oral spines and avicularia. The insert shows an avicularium with open mandible. C. Closeup of orifice with serrated hinge-line and ascopore. D. Ovicellate zooids with incomplete, developing ovicells. E. Paratype (SBMNH 704790a), Greenwood, California, USA. Ovicellate zooids with complete ovicells. Scale bars: A = 1 mm; B = 200 µm; C = 50 µm; D = 150 µm; E = 250 µm.

Fig. 3 in Diversity and distribution of intertidal Microporella (Bryozoa: Cheilostomatida) from California

Fig. 3. Microporella pauciperforata Chowdhury & Di Martino sp. nov., holotype (SBMNH 704788), Trinidad Head North, California, USA. A. General view of the colony showing majority of zooids lacking avicularia (some marked with asterisks), zooid with proximolateral avicularium (arrow), and an ovicellate zooid (star). B. Group of autozooids with abraded frontal shields either lacking avicularia, or with small, lateral avicularium distally directed or placed in the proximolateral corner and directed proximally. C. Close-up of the ovicellate zooid showing a preserved reticulate ascopore. D. Close-up of reticulate ascopore. E. Close-up of an avicularium. F. Close-up of zooids with evident spine bases (white arrows). Scale bars: A = 1 mm; B = 500 µm; C, F = 200 µm; D = 60 µm; E = 100 µm.

Fig. 1. A in Diversity and distribution of intertidal Microporella (Bryozoa: Cheilostomatida) from California

Fig. 1. A. Location of sampling sites along the Californian coastline. B. Distributions and relative abundances of species indicated by colour-coded bars. C–D. Two sites as examples of the rocky intertidal boulder fields that were sampled for this study. C. Palmer's Point. D. Marshall Gulch.

Fig. 7 in Diversity and distribution of intertidal Microporella (Bryozoa: Cheilostomatida) from California

Fig. 7. Microporella californica (Busk, 1856) (SBMNH 704770), Point Saint George, California, USA. A. Group of zooids, most ovicellate. B. Close-up of autozooids with paired avicularia, one zooid ovicellate. C. Ovicellate zooids with acute frontal shield umbones hiding the ascopore.D. Autozooids with oral spines intact. E. Close-up of an orifice, with oral spine bases obliterated by secondary calcification, and avicularia. F. Close-up of the ascopore and orifice with condyles. G. Incomplete autozooids showing distal pore chamber windows. Scale bars: A–C, G = 500 µm; D = 200 µm; E = 100 µm; F = 50 µm.

Fig. 10 in Diversity and distribution of intertidal Microporella (Bryozoa: Cheilostomatida) from California

Fig. 10. Microporella umbonata (Hincks, 1883) (NHMO H1940), Palmer's Point, Trinidad, California, USA. A. Group of ovicellate and non-ovicellate zooids, one zooid with avicularium. B. Distal part of autozooid showing umbonate ovicell, small adventitious avicularium, C-shaped ascopore with projecting tongue and denticulate margin, and concave proximal margin of orifice with triangular condyles. Scale bars: A = 500 µm; B = 200 µm.