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FIG. 6 in Biodiversity of bathyal coral gardens - portrait of a uniserial bryozoan endemic to the South Azorean Seamount Chain: an unexpected evolutionary testbed?

FIG. 6. — Harmelinius uniserialis (Harmelin, 1978), different types of avicularia: A, "adnate" type (AV3) on an ovicelled AZ; B, "columnar" type (AV1); C, "giant" type (AV5) with three porous knobs, one incompletely formed, distal to the slightly prominent rostrum; D, "adnate" type, adventitious to an ovicelled AZ, with a large pore chamber and three porous knobs (inset: enlarged view of a knob); E, autozooid with five "pyramidal" morphs (AV4) budded from lateral walls; F, vicarious kenozooid with thickened cuticule persisting on the frontal gymnocyst and the central window; G, globular and pyramidal avicularia budded by the same AZ; H, three globular (AV2), one "giant" (AV5) and one "pyramidal" (AV4) avicularia budded by two AZ and a vicarious KZ with persistent cuticular layer; Origin: A, D, Tyro SMT, Stn DW 276; B, Hyères SMT, Stn DW 200; C, E, F, G, H, Tyro SMT, Stn DW 278. Scale bars: B, C, D, 50 µm; A, F, G, 100 µm; D, H, 200 µm.

FIG. 5 in Biodiversity of bathyal coral gardens - portrait of a uniserial bryozoan endemic to the South Azorean Seamount Chain: an unexpected evolutionary testbed?

FIG. 5. — Harmelinius uniserialis (Harmelin, 1978), structure of the ovicell: A, distal part of an ovicelled autozooid bearing two adnate avicularia (AV3), with open medial slit, and ooecial kenozooid budding a distal zooid; B, close-up of the same ovicell, medial slit showing the two layers of the bivalved ooecial wall, the dorsal window of the distal kenozooid with thick gymnocystal layers and oval opesia, and two lateral porous knobs; C, ovicell in formation showing the floor of the brood chamber budded by the maternal autozooid; D, broken ovicell showing the thickness of the frontal wall and the two proximal layers, and the foramen open through the transverse wall. Origin: A, B, C, Tyro SMT, Stn DW 276; D, Hyères SMT, Stn DW 184. Scale bars: A, C, D, 100 µm; B, 50 µm.

FIG. 1 in Biodiversity of bathyal coral gardens - portrait of a uniserial bryozoan endemic to the South Azorean Seamount Chain: an unexpected evolutionary testbed?

FIG. 1. — Geographical location and depth distribution of the 19 sampling stations of Harmelinius uniserialis (Harmelin, 1978). Abbreviations: AT, Atlantis Seamount; IR, Irving Seamount; HY, Hyères Seamount; ME, Great Meteor Seamount; PL, Plato Seamount; SM, Azores, São Miguel; TY, Tyro Seamount. Map downloaded from GEBCO 2019 Gridded Bathymety Data.

FIG. 9 in Biodiversity of bathyal coral gardens - portrait of a uniserial bryozoan endemic to the South Azorean Seamount Chain: an unexpected evolutionary testbed?

FIG. 9. — Harmelinius uniserialis (Harmelin, 1978), vicarious kenozooids: A, drawing of two interconnected KZ, laterally budded by 2 AZ; B, light photography of the same zooids; C, part of colony with seven variously shaped KZ connected to several AZ; D, two differently sized KZ budded from the lateral walls of two AZ; E, pentagonal KZ with proximal corner folded on the budding locus of the maternal zooid; F, frontal wall of a large KZ with central window open on a thick, multilayered wall, surrounded by seven porous knobs. Distansescharella d'Orbigny, 1853: G, D. alcicornis (Jullien, 1882), large vicarious KZ with central window, abutted on to an AZ and close to an adventitious avicularium; H, D. seguenzai Cipolla, 1921, reticulum formed by three small KZ with a central window surrounded by 2-5 conical spinous processes with a likely porous tip; I, D. alcicornis, avicularium with opesia and rostrum poorly differentiated, and proximal side folded on the maternal zooid. Origin: A, B, Azores, São Miguel bathyal slope, Biaçores Stn 197, 815 m (9A copied from Harmelin 1978, fig. 2); C, F, Hyères SMT, Stn DW 200; D, E, Tyro SMT, Stn DW 276; G, I, R/V Thalassa, Y434, 620 m, on Lophelia prolifera (Linnaeus, 1758); H, R/V Calypso, Stn 1902, Libya. Scale bars: A, B, D, F, 200 µm; C, 400 µm; E, G, H, 100 µm; I, 50 µm.

FIG. 4 in Biodiversity of bathyal coral gardens - portrait of a uniserial bryozoan endemic to the South Azorean Seamount Chain: an unexpected evolutionary testbed?

FIG. 4. — Harmelinius uniserialis (Harmelin, 1978), morphology of non ovicelled autozooids and ancestrula: A, autozooid (AZ) with two avicularia (AV1) and distal budding from the kenozooidal cap, budded from the lateral side of another AZ; B, AZ distal part with a AV1 avicularium, note the foramen through the transverse wall separating the AZ orifice from the kenozooidal cap (idem in A), the concave proximal edge of the orifice and the unequal size of costae; C, eroded kenozooidal cap showing its subconical chamber and the broken base of the AZ transverse wall; D, distal part of AZ showing the boundary between the kenozooidal cap and the orifice frame; E, ancestrula and AZ, note their contrasting sizes and the proximal budding by the ancestrula. Origin: A, B, C, Hyères SMT, Stn DW 200; D, E, Tyro SMT, Stn DW 276. Scale bars: A, B, E, 200 µm; C, D, 100 m.

FIG. 8 in Biodiversity of bathyal coral gardens - portrait of a uniserial bryozoan endemic to the South Azorean Seamount Chain: an unexpected evolutionary testbed?

FIG. 8. — Harmelinius uniserialis (Harmelin, 1978), drawings of five types of avicularia: A, "adnate" (AV3); B, "pyramidal" (AV4); C, "giant" (AV5); D, "columnar" (AV1); E, "globular" (AV2). Origin: copied from diverse SEM pictures. Scale bar: 50 µm.

FIG. 2 in Biodiversity of bathyal coral gardens - portrait of a uniserial bryozoan endemic to the South Azorean Seamount Chain: an unexpected evolutionary testbed?

FIG. 2. — Harmelinius uniserialis (Harmelin, 1978), colonized substrates and general aspect of colonies: A, fragment of Madrepora oculata Linnaeus,1758; B, pebble; C, part of colony showing non-caudate autozooids, optical view; D, other aspect of the same colony, SEM view; E, part of colony with typical features. Origin: A, C, D, Hyères SMT, Stn DW 184; B, Irving SMT, Stn DW 251; E, Tyro SMT, Stn DW 276. Scale bars: A, B, 1 cm; C, D, 1 mm; E, 400 µm.

FIG. 7. — A in Biodiversity of bathyal coral gardens - portrait of a uniserial bryozoan endemic to the South Azorean Seamount Chain: an unexpected evolutionary testbed?

FIG. 7. — A, Glabrilaria pedunculata (Gautier, 1956), ovicelled zooid crowned by seven pedunculate avicularia; B, Cribrilaria cassidainsis Harmelin, 1984, colony edge with ten interzooidal avicularia. Origin: A, B, Mediterranean Sea, France, La Ciotat, 3PP Cave, 40-60 m inside; A, B, 20-24 m depth. Scale bars: A, 100 µm; B, 200 µm.

FIG. 3 in Biodiversity of bathyal coral gardens - portrait of a uniserial bryozoan endemic to the South Azorean Seamount Chain: an unexpected evolutionary testbed?

FIG. 3. — Harmelinius uniserialis (Harmelin, 1978), structure of colonies and graphs of zooid proportions: A - a, distal budding of autozooids with long cauda; b, lateral budding of autozooid (AZ) and kenozooid (KZ); c, abutment of kenozooid on ovicelled AZ - 1, KZ (21% white), non-ovicelled AZ (78% grey), ovicelled AZ (1% black); 2, non ovicelled AZ without avicularium (AV) (59% white), with one AV (24% grey), with two AV (17% dark); 3, ovicelled AZ, with one AV (23% grey), with two AV (77% dark); B, ovicellar kenozooid connected to the lateral pore chamber of an adjacent AZ; C, zooidal aggregation with 12 AZ without cauda, 28 AV and three KZ; D, clustering of three AZ without cauda, involving a small vicarious kenozooid abutted on to an avicularium (AV4) in proximal position, co-occurring with another AV type (AV2); E, dense aggregation of KZ. Origin: A, B, Tyro SMT, Stn DW 276; C, D, E, Tyro SMT, Stn DW 278. Scale bars: A, C, E, 400 µm; B, D, 200 µm.

Fig. 3 in A New Species of Bathyal Nemertean, Proamphiporus kaimeiae sp. nov., off Tohoku, Japan, and Molecular Systematics of the Genus (Nemertea: Monostilifera)

Fig. 3. Proamphiporus kaimeiae sp. nov., holotype, ICHUM 6058, photomicrographs of transverse sections. A, Body wall in brain region; B, anterior part of cerebral organs; arrowheads pointing to the radial canal; C, posterior part of cerebral organs; arrowhead pointing to the lateral canal; D, brain; arrowhead pointing to vascular plug; E, proboscis; F, testis; G, excretory collecting tubule (arrowhead). Abbreviations: ag, acidophilic glands; br, brain; de, dermis; dg, dorsal ganglion; ep, epidermis; ln, lateral nerve cord; mlm, middle longitudinal muscle layer of body wall; ocm, outer circular muscle layer of body wall; pb, proboscis; pe, proboscis epithelium; pic, proboscis inner circular muscle layer; poc, proboscis outer circular muscle layer; rh, rhynchocoel; st, stomach; te, testis; vg, ventral ganglion. Scale bars: A = 20 µm, B = 75 µm, C, G = 50 µm, D = 100 µm, E, F = 40 µm.

Fig. 2 in A New Species of Bathyal Nemertean, Proamphiporus kaimeiae sp. nov., off Tohoku, Japan, and Molecular Systematics of the Genus (Nemertea: Monostilifera)

Fig. 2. Proamphiporus kaimeiae sp. nov., holotype, ICHUM 6058, photographs taken in living state. A, Whole body, dorsal view; B, ventral view. Abbreviations: cf, cephalic furrow; co, cerebral organ. Scale bar: 500 µm.

Fig. 1 in A New Species of Bathyal Nemertean, Proamphiporus kaimeiae sp. nov., off Tohoku, Japan, and Molecular Systematics of the Genus (Nemertea: Monostilifera)

Fig. 1. Map showing the collection site (solid circle) of the specimen examined in the present study.

Fig. 4 in A New Species of Bathyal Nemertean, Proamphiporus kaimeiae sp. nov., off Tohoku, Japan, and Molecular Systematics of the Genus (Nemertea: Monostilifera)

Fig. 4. Phylogenetic trees of the genus Proamphiporus based on concatenated 16S rRNA (454 bp), COI (657 bp), 18S rRNA (1773 bp), 28S rRNA (1077 bp), and histone H3 genes (326 bp). A, Phylogenetic tree inferred by maximum likelihood (ML) analysis, showing support values generated by a separate partitioned ML bootstrap analysis with 1000 replicates; B, phylogenetic tree inferred from Bayesian analysis, showing posterior probability of a separate partitioned Bayesian analysis.

opencc-by-4.0Mar 2022View details →

FIG. 1. A in Bathyal Rissoidae (Gastropoda: Rissooidea) off the Russian Far East coast of the Sea of Japan, with redescription of Punctulum reticulatum Golikov, 1986

FIG. 1. A map showing the SoJaBio stations at which species of Rissoidae occurred. РИС. 1. Карта станций SoJaBio, на которых были собраны Rissoidae.

Figure 3 in Sicafodiidae, fam. nov. for Sicafodia stylos, gen. nov., sp. nov., from the marine bathyal of south-eastern Australia (Crustacea: Amphipoda: Gammaridea)

Figure 3. Sicafodia stylos, gen. nov., sp. nov. Holotype, except B, paratype, female B (NMV J23917). cx, coxa; gp, gnathopod; o, oostegite; p, pereopod; pl, pleopod.

Figure 4 in Sicafodiidae, fam. nov. for Sicafodia stylos, gen. nov., sp. nov., from the marine bathyal of south-eastern Australia (Crustacea: Amphipoda: Gammaridea)

Figure 4. Sicafodia stylos, gen. nov., sp. nov. Holotype. p5–7, left pereopods 5–7; p6a, right pereopod 6.

Figure 2 in Sicafodiidae, fam. nov. for Sicafodia stylos, gen. nov., sp. nov., from the marine bathyal of south-eastern Australia (Crustacea: Amphipoda: Gammaridea)

Figure 2. Sicafodia stylos, gen. nov., sp. nov. A, paratype, female A (NMV J23916); C, paratype, female C (NMV J23918); D, paratype, female D (NMV J23919); H, holotype. av, anterior view; dv, dorsal view; ep, epistome; ip, inner plate; l, left; ll, lower lip; l, r md, mandible; mx1, 2, maxilla 1, 2; mxp, maxilliped; op, outer plate; r, right; ul, upper lip; vv, ventral view; asterisk: tip of mandible and lacinia mobilis broken.

Figure 1 in Sicafodiidae, fam. nov. for Sicafodia stylos, gen. nov., sp. nov., from the marine bathyal of south-eastern Australia (Crustacea: Amphipoda: Gammaridea)

Figure 1. Sicafodia stylos, gen. nov, sp. nov. Holotype, except B, paratype, female B (NMV J23917). a1, antenna 1; a2, antenna 2; af, accessory flagellum; c, head; lv, lateral view; or, outer ramus up3; t, telson; up3p, uropod 3 peduncle; us, urosome. Habitus scale bar: 1 mm.

opencc-by-4.0May 2015View details →

FIGURE 4 in Bathyal ostracods from the Santa Maria di Leuca deep-water coral province (northern Ionian Sea)

FIGURE 4. Species distribution in dead assemblages "f", dead assemblages "w", and biocoenoses, per sample.