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13,397 results for “sp. nov.”
FIGURE 1 in Ischnura foylei sp. nov. (Odonata, Coenagrionidae) from the highlands of Sumatra
FIGURE 1. The type locality and habitat of Ischnura foylei: Danau Gugung Tujuh (Danau Sakti), Jambi Province, Sumatra, Indonesia (photo by J. Holden).
FIGURE 11 in Periclimenes macrorhynchia sp. nov., a new hydrozoan-associated pontoniine shrimp (Crustacea, Decapoda, Palaemonidae) from North East Kalimantan, Indonesia
FIGURE 11. Periclimenes batei (Borradaile, 1917) RMNH.CRUS.D.57200. Juvenile specimen, pocl. 1.04 mm: a, left third pereiopod; b, idem, dactylus and distal part propodus. Adult male specimen, pocl. 2.0 mm: c, right third pereiopod; d, idem, propodus and dactylus; e, idem, dactylus and distal part propodus. Scale a, d = 0.4 mm; b, e = 0.1 mm; c = 1 mm.
FIGURE 8 in Periclimenes macrorhynchia sp. nov., a new hydrozoan-associated pontoniine shrimp (Crustacea, Decapoda, Palaemonidae) from North East Kalimantan, Indonesia
FIGURE 8. Periclimenes macrorhynchia sp. nov., ovigerous female paratype (RMNH.CRUS.D. 57199): a, right first pleopod. Male allotype (RMNH.CRUS.D.57198): b, left first pleopod; c, left second pleopod. Scale a = 1 mm; b, c = 0.4 mm.
FIGURE 5 in Periclimenes macrorhynchia sp. nov., a new hydrozoan-associated pontoniine shrimp (Crustacea, Decapoda, Palaemonidae) from North East Kalimantan, Indonesia
FIGURE 5. Periclimenes macrorhynchia sp. nov., ovigerous female paratype (RMNH.CRUS.D.57199): a, right major second pereiopod; b, idem, detail chela. Male allotype (RMNH.CRUS.D.57198): c, left major second pereiopod, chela and carpus. Scale a, c = 1 mm; b = 0.4 mm.
FIGURE 2 in Periclimenes macrorhynchia sp. nov., a new hydrozoan-associated pontoniine shrimp (Crustacea, Decapoda, Palaemonidae) from North East Kalimantan, Indonesia
FIGURE 2. Periclimenes macrorhynchia sp. nov.: a, d, ovigerous female holotype (MZB Cru 4193); b, male allotype (RMNH.CRUS.D.57198); c, e, ovigerous female paratype (RMNH.CRUS.D.57199); a–c, rostrum and carapace, lateral view; d, telson and uropods; e, distal part telson. Scale a–c = 0.8 mm; d = 0.5 mm; e = 0.2 mm.
FIGURE 10 in Periclimenes macrorhynchia sp. nov., a new hydrozoan-associated pontoniine shrimp (Crustacea, Decapoda, Palaemonidae) from North East Kalimantan, Indonesia
FIGURE 10. Periclimenes batei (Borradaile, 1917) RMNH.CRUS.D.57200. Juvenile specimen, pocl. 1.04 mm: a, left major second pereiopod. Adult male specimen, pocl. 2.0 mm: b, left major second pereiopod; c, idem, chela open, mediodorsal view; d, idem, chela closed; e, right minor second pereiopod. Scale a = 0.4 mm; b–e = 1 mm.
FIGURE 1 in Periclimenes macrorhynchia sp. nov., a new hydrozoan-associated pontoniine shrimp (Crustacea, Decapoda, Palaemonidae) from North East Kalimantan, Indonesia
FIGURE 1. Periclimenes macrorhynchia sp. nov., ovigerous female holotype (MZB Cru 4193): habitus. Scale = 2 mm.
FIGURE 7 in Periclimenes macrorhynchia sp. nov., a new hydrozoan-associated pontoniine shrimp (Crustacea, Decapoda, Palaemonidae) from North East Kalimantan, Indonesia
FIGURE 7. Periclimenes macrorhynchia sp. nov., ovigerous female paratype (RMNH.CRUS.D.57199): a, left fourth pereiopod; b, idem, detail dactylus and distal part propodus; c, left fifth pereiopod; d, idem, detail dactylus and distal part propodus. Scale a, c = 1 mm; b, d = 0.2 mm.
FIGURE 4 in Periclimenes macrorhynchia sp. nov., a new hydrozoan-associated pontoniine shrimp (Crustacea, Decapoda, Palaemonidae) from North East Kalimantan, Indonesia
FIGURE 4. Periclimenes macrorhynchia sp. nov., ovigerous female paratype (RMNH.CRUS.D.57199): a, left third maxilliped; b, left first pereiopod; c, idem, detail basal joints. Scale a = 0.4 mm; b = 1 mm; c = 0.2 mm.
FIGURE 9 in Periclimenes macrorhynchia sp. nov., a new hydrozoan-associated pontoniine shrimp (Crustacea, Decapoda, Palaemonidae) from North East Kalimantan, Indonesia
FIGURE 9. Periclimenes batei (Borradaile, 1917), RMNH.CRUS.D.57200. Juvenile specimen, pocl. 1.04 mm: a, rostrum and carapace. Adult male specimen, pocl. 2.0 mm: b, rostrum; c, fourth and fifth thoracic sternites, proximoventral view; d, telson; e, right first pereiopod; f, idem, detail basal segments. Scale a–d = 0.5 mm; e = 1 mm; f = 0.2 mm.
FIGURE 6 in Periclimenes macrorhynchia sp. nov., a new hydrozoan-associated pontoniine shrimp (Crustacea, Decapoda, Palaemonidae) from North East Kalimantan, Indonesia
FIGURE 6. Periclimenes macrorhynchia sp. nov., ovigerous female paratype (RMNH.CRUS.D.57199): a, left minor second pereiopod; b, idem, chela; d, left third pereiopod; e, idem, detail dactylus and distal part propodus. Male allotype (RMNH.CRUS.D.57198): c, right minor second pereiopod. Scale a, c, d = 1 mm; b, e = 0.2 mm.
FIGURE 3 in Periclimenes macrorhynchia sp. nov., a new hydrozoan-associated pontoniine shrimp (Crustacea, Decapoda, Palaemonidae) from North East Kalimantan, Indonesia
FIGURE 3. Periclimenes macrorhynchia sp. nov., ovigerous female paratype (RMNH.CRUS.D.57199): a, antennular peduncle, dorsal view; b, anntenal peduncle, ventral view; c, fourth and fifth thoracic sternites, proximoventral view; d, left mandible; e, left maxillula; f, left maxilla; g, left first maxilliped; h, left second maxilliped. Scale a, b = 0.5 mm; c = 1 mm; d–h = 0.4 mm.
FIGURE 13. Periclimenes obscurus Kemp, 1922, RMNH.CRUS.D.42432. Male, pocl. 2.0 in Periclimenes macrorhynchia sp. nov., a new hydrozoan-associated pontoniine shrimp (Crustacea, Decapoda, Palaemonidae) from North East Kalimantan, Indonesia
FIGURE 13. Periclimenes obscurus Kemp, 1922, RMNH.CRUS.D.42432. Male, pocl. 2.0 mm: a, left third pereiopod; b, idem, propodus and dactylus; c, idem, dactylus and distal part propodus. Scale a = 1 mm; b = 0.4 mm; c = 0.1 mm.
FIGURE 12. Periclimenes obscurus Kemp, 1922, RMNH.CRUS.D.42432. Ovigerous female, pocl. 2.5 in Periclimenes macrorhynchia sp. nov., a new hydrozoan-associated pontoniine shrimp (Crustacea, Decapoda, Palaemonidae) from North East Kalimantan, Indonesia
FIGURE 12. Periclimenes obscurus Kemp, 1922, RMNH.CRUS.D.42432. Ovigerous female, pocl. 2.5 mm: a, rostrum. Male, pocl. 2.0 mm: b, rostrum; c, telson; d, left first pereiopod; e, idem, detail basal segments; f, left second pereiopod. Scale a–c = 0.5 mm; d, f = 1 mm; e = 0.2 mm.
FIGURE 2 in Vansoestia caribensis gen. nov., sp. nov.: first report of the family Ianthellidae (Verongida, Demospongiae) in the Caribbean
FIGURE 2. Photomicrographs of Vansoestia caribensis gen. nov. sp. nov. histological cross sections. A. Upper body region showing a thin ectosome (Ec) followed by wide subdermal canals (Sc) and the choanoderm with densely arranged choanocyte chambers (Cc). Scale = 110 µm. B. Detail of an area of the ectosome showing a dense "amorphous matrix" (Am) of collagen with dispersed dark stained cells with inclusions (Ci), Scale = 30 µm; C. Basal region where the sponge is attached to the substrate. Note the corallites (Co) of the dead coral where the sponge was growing, the choanocyte chambers (Cc) and canals (Ca), Scale = 200 µm. D. Detail of choanocyte chamber with more than 20 choanocytes (oval to triangular in shape). Notice at least two types of cells with inclusions (Ci) and collagen strands (Cs) in between the chambers and the cells, Scale = 15 µm.
FIGURE 5 in Vansoestia caribensis gen. nov., sp. nov.: first report of the family Ianthellidae (Verongida, Demospongiae) in the Caribbean
FIGURE 5. Schematic representation of the phylogenetic relationships of the genera of Verongida, summarizing four previously published phylogenies (Erwin & Thacker 2007 [ITS2+28S]; Díaz et al., 2013 [cox1]; Redmond et al., 2013 [18S]; Thacker et al., 2013 [28S];). Black circles indicate nodes with 100% maximum likelihood bootstrap support in at least 2 studies; gray circles indicate nodes with 100% maximum likelihood bootstrap support in 1 study, and none under 85%; white circles indicate poorly resolved nodes, or phylogenies incongruent between studies. Proposed common characters are indicated with numbers: 1. Verongida with bundles of interstitial collagen fibrils either in the cortex, mesohyl, or within fibers; 2. Family Chondrosiidae (sensu Redmond et al., 2013) with a thick, acellular collagenous cortex; 3. Clade represented by the rest of the Verongida, all containing spherulous cells and brominated secondary metabolites; 4. Clade represented by Hexadella, with eurypylous choanocyte chambers, a thin cuticle, and lacking fibers; 5. Poorly supported clade (62%) containing all the non- Hexadella classical genera of Verongida; 6. Moderately supported clade (85%) containing all eurypylous verongids with a cellularized collagenous cortex. 7. Verongids with diplodal choanocyte chambers; 8. Verongids with an isotropic, welldeveloped fiber reticle, with oval to hexagonal meshes, and fibers with a distinct organic pith and a bark (concentrically layered) throughout the body. 9. Verongids with a variably developed reticulation of fibers, sometimes absent, with thick fibers with or without apparent bark; a morphological synapomorphy is yet to be discovered.
FIGURE 4 in Vansoestia caribensis gen. nov., sp. nov.: first report of the family Ianthellidae (Verongida, Demospongiae) in the Caribbean
FIGURE 4. TEM sections of Vansoestia caribensis gen. nov. sp. nov. A. Roundish to ovoid Spherulous cells type 1 (Sc1) with nucleus (Nu) bearing round spherules containing light and dark inclusions, and abundant collagen fibrils (Co), Scale = 2.5 µm. B. Sperulous cell type 2 with electron dense dark granules, and bacteria within it, close to an aquiferous channel (Ac), Scale = 2 µm. Bacteria can be seen in the interior of the channel. C. Vacuolar cells (Sc 3) seen in the mesohyl close to an aquiferous channel, Scale = 2 µm. D. A microgranular cell (Mc) with striated membrane-bound bodies, among spherulous cells 1, and 2. Note the presence of abundant collagen fibrils (Co) between the cells, Scale = 1.3 µm. E. Portion of a choanocyte chamber where main body of the choanocytes can be seen, some with cytoplasmatic projections (Cy). A collagen fibril layer (Co) is found surrounding all choanocyte chambers, Scale = 1.6 µm. F. A triangular shaped choanocyte (Ch) with a basal nucleolated nucleus, contiguous to a layer of fibrillar collagen (Co) containing bacteria (Ba), Scale = 1.3 µm.
FIGURE 1 in Vansoestia caribensis gen. nov., sp. nov.: first report of the family Ianthellidae (Verongida, Demospongiae) in the Caribbean
FIGURE 1. Vansoestia caribensis gen. nov. sp. nov. growing on the edge of a dead plate coral. A. General habit showing its overall growth form, with algae and polychaete calcareous tubes mingled within the body. Scale bar = 2 cm. B. Close-up view of a more relaxed specimen showing the subdermal canals (Sc), 3–8 mm wide, and the profusely abundant pores. Scale bar = 1.2 cm
FIGURE 3 in Vansoestia caribensis gen. nov., sp. nov.: first report of the family Ianthellidae (Verongida, Demospongiae) in the Caribbean
FIGURE 3. Detail of the internal morphology of Vansoestia caribensis gen. nov. sp. nov. at 400–600 X. A. Ectosomal cellularized cortex, where a 1 µm cuticle (Cu) lining the outer surface of the sponge is evidenced, Scale = 13 µm. B. Various cells with inclusions (Ci1, Ci2) and smaller choanocytes (Ch) embedded in a mesohyl with abundant strands of collagen (Cs), Scale = 16 µm. C. Portion of the sponge body in contact with the substrate (Co), showing abundance of collagen strands (Cs), and cells. Notice an aquiferous canal (Ac) that is not lined by larger cells with inclusions, Scale = 25 µm. D. Detail of the mesohyl showing an aquiferous canal that is lined by cells with inclusions type 1, and "cell conglomerates" and other types of cells, Scale = 32 µm.
FIGURE 1 in Quisarctus yasumurai gen. et sp. nov. (Arthrotardigrada: Halechiniscidae) from a submarine cave, off Iejima, Ryukyu Islands, Japan
FIGURE 1. Drawing of Quisarctus yasumurai gen. et sp. nov., holotypic female [KUZ Z1649]. (A) Dorsal view; (B) ventral view. a, anus; bt, buccal tube; cE, cirrus E; ec, external cirrus; ic, internal cirrus; g, gonopore; lc, lateral cirrus; mc, median cirrus; pb, pharyngeal bulb; pc, primary clava; pl, placoid; sr, seminal receptacle; st, stylet; s1–4, sense organs of legs I–IV.
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