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1,913 results for “Morphological characters”
Figure 2 from: He J, Luo Z-L, Tang S-M, Li Y-J, Li S-H, Su H-Y (2021) Phylogenetic analyses and morphological characters reveal two new species of Ganoderma from Yunnan province, China. MycoKeys 84: 141-162. https://doi.org/10.3897/mycokeys.84.69449
Figure 2 Ganoderma dianzhongense (HKAS 110005, holotype) A basidiomata B upper surface C cut side of pileus D pore surface E sections of pileipellis (LM) F skeletal hyphae from context (LM) G binging hyphae from tubes (LM) H generative hyphae from tubes (LM) I-J basidia and basidioles (LM) K-L basidiospores (LM) M-N basidiospores (SEM) O-P culture after incubation at 28 °C for 8 days. Scale bars: 20 mm (O, P); 10 µm (E-L); 5 µm (M, N). Photographs Jun He.
Figure 3 from: Morales EA, Wetzel CE, Ector L (2021) New and poorly known araphid diatom species (Bacillariophyta) from regions near Lake Titicaca, South America and a discussion on the continued use of morphological characters in araphid diatom taxonomy. PhytoKeys 187: 23-70. https://doi.org/10.3897/phytokeys.187.73338
Figure 3 A–F SEM micrographs of Pseudostaurosira pulchra sp. nov. from the Bolivian Altiplano A, B outer views of valves showing axial area, striae and spines features C inner view of valve still attached to neighboring cell. Black arrow indicates absence of apical pore field. Dotted arrow points to depression into which the stria opens internally D tilted view of frustule. Notice larger valvocopula, lateral growth of spines and blister-like depositions on abvalvar edge of mantle E outer view of valve tip. Black arrow denotes absence of apical pore field. Notice round to elliptical spine base and larger areola on valve mantle. F frustule attached to neighboring valve by means of heavily silicified spines. Notice open girdle elements (white arrow) and depositions along abvalvar mantle edge. Scale bars: 2 µm (E); 4 µm (C, F); 5 µm (A, B, D).
Figure 5 from: Morales EA, Wetzel CE, Ector L (2021) New and poorly known araphid diatom species (Bacillariophyta) from regions near Lake Titicaca, South America and a discussion on the continued use of morphological characters in araphid diatom taxonomy. PhytoKeys 187: 23-70. https://doi.org/10.3897/phytokeys.187.73338
Figure 5 A–F SEM images of Pseudostaurosira heteropolaris sp. nov. from the Bolivian Altiplano A, B Valve views showing striation pattern and features of the axial area, virgae, vimines, and spine location C side view of complete frustule and neighboring cell showing girdle bands (white arrows denote open copulae). White arrows point to open girdle elements D close up of C showing details of spines with bifurcations with pinnatifid projections, characteristics of the striae on valve mantle and the features of the blisters E broken frustule with girdle bands. Pattern of volae within areolae is also shown F frustule in side, tilted view. Notice open copulae (white arrow) and reduced apical pore field with cavernous poroids (black arrow). Scale bars: 1 µm (D); 3 µm (A–C, E); 4 µm (F).
Figure 2 from: Morales EA, Wetzel CE, Ector L (2021) New and poorly known araphid diatom species (Bacillariophyta) from regions near Lake Titicaca, South America and a discussion on the continued use of morphological characters in araphid diatom taxonomy. PhytoKeys 187: 23-70. https://doi.org/10.3897/phytokeys.187.73338
Figure 2 A–F SEM images of little known "araphid" diatoms from the Bolivian Altiplano A, BNanofrustulum cataractarumA specimen from the Desaguadero River, showing quasifract girdle elements with prominent ligulae (white arrows) B specimen from the Sajama River showing common internal depression into which the areolae open (dotted arrows) and the blister-like depositions of silica at the abvalvar edge of the mantle C, DN. rarissimum from the Desaguadero River C small, spineless valve D internal view showing apical and foot pole pore fields (black arrows) and internal depressions containing all areolae within a stria (dotted arrow) E, FPseudostaurosira sajamaensis from the Desaguadero River E top view showing gradual transition of valve face to mantle and the reduced apical pore fields (black arrow) F side view of two half cells still attached by heavily silicified spines. Notice open girdle elements (white arrows). Scale bars: 1 µm (B); 3 µm (C, E); 4 µm (A, D); 5 µm (F).
Figure 1 from: Morales EA, Wetzel CE, Ector L (2021) New and poorly known araphid diatom species (Bacillariophyta) from regions near Lake Titicaca, South America and a discussion on the continued use of morphological characters in araphid diatom taxonomy. PhytoKeys 187: 23-70. https://doi.org/10.3897/phytokeys.187.73338
Figure 1 A–M' LM images of little known and new "araphid" diatoms from the Bolivian Altiplano A–ENanofrustulum cataractarumF–LN. rarissimumM–SPseudostaurosira sajamaensisT–ZP. pulchra sp. nov. (Fig. 1U is the holotype) A'–G' P. aedes sp. nov. (Fig. 1A' is the holotype). H'–M' P. heteropolaris sp. nov. (Fig. 1I' is the holotype). Scale bar: 10 µm.
Figure 8 from: Morales EA, Wetzel CE, Ector L (2021) New and poorly known araphid diatom species (Bacillariophyta) from regions near Lake Titicaca, South America and a discussion on the continued use of morphological characters in araphid diatom taxonomy. PhytoKeys 187: 23-70. https://doi.org/10.3897/phytokeys.187.73338
Figure 8 A–F SEM images of Pseudostaurosira frankenae sp. nov. A, B titled frustules showing external features; notice open girdle elements in B (white arrows) C, D internal view of valves showing internal elliptic depositions on striae (dashed arrows) and depression of the apical pore field (black arrows) E close-up of frustule apex (B) showing the externally occluded apical pore field, showing only a single row of poroids (black arrow) F close-up of frustule tip (A) showing open girdle bands (white arrow). Scale bars: 2 µm (E, F); 3 µm (C); 5 µm (A, B, D).
Figure 10 from: Morales EA, Wetzel CE, Ector L (2021) New and poorly known araphid diatom species (Bacillariophyta) from regions near Lake Titicaca, South America and a discussion on the continued use of morphological characters in araphid diatom taxonomy. PhytoKeys 187: 23-70. https://doi.org/10.3897/phytokeys.187.73338
Figure 10 A–F SEM images of Pseudostaurosira oblonga sp. nov. A, B external views showing apical pore fields covered with small flaps (black arrow in A) and other characteristics C, E internal valve features stressing on apical pore fields and striae in a depression (black arrows in C and dashed arrow in C and E respectively) D, F titled views of valves showing girdle bands (white arrow in F) and apical pore field (black arrow in F). Scale bars: 4 µm (B, C, E, F); 5 µm (A, D).
Figure 4 from: Morales EA, Wetzel CE, Ector L (2021) New and poorly known araphid diatom species (Bacillariophyta) from regions near Lake Titicaca, South America and a discussion on the continued use of morphological characters in araphid diatom taxonomy. PhytoKeys 187: 23-70. https://doi.org/10.3897/phytokeys.187.73338
Figure 4 A–F SEM images of Pseudostaurosira aedes sp. nov. from the Bolivian Altiplano A top, tilted view of valve showing axial area, slightly raised virga, valve face areolae covered with bilobed or disk-like flaps, and slightly larger valve mantle areola covered with two or more flaps B, D, E, F girdle views showing features of the valve mantle, open girdle elements with larger valvocopula (white arrows in D and E). Notice serrate spines with well-developed stipules in F which have varying patterns C inner view showing reduced apical pore field (black arrow) and single depression into which the areolae open internally (dotted arrow). Scale bars: 4 µm (D); 5 µm (A–C, E, F).
Figure 7 from: Morales EA, Wetzel CE, Ector L (2021) New and poorly known araphid diatom species (Bacillariophyta) from regions near Lake Titicaca, South America and a discussion on the continued use of morphological characters in araphid diatom taxonomy. PhytoKeys 187: 23-70. https://doi.org/10.3897/phytokeys.187.73338
Figure 7 A–F SEM images of Pseudostaurosira vulpina sp. nov. A, B valve views showing striation pattern, features of the axial area, spine position and presence of depressed apical pore fields (black arrows) C, D close-ups with details of apical pore fields areolae and spines E tilted view of a frustule showing open girdle bands with overlapping extremes (white arrows) F internal view showing apical pore fields and the internal disk-like areolar depositions. Scale bars: 2 µm (C, D); 5 µm (A, B, E, F).
Figure 9 from: Morales EA, Wetzel CE, Ector L (2021) New and poorly known araphid diatom species (Bacillariophyta) from regions near Lake Titicaca, South America and a discussion on the continued use of morphological characters in araphid diatom taxonomy. PhytoKeys 187: 23-70. https://doi.org/10.3897/phytokeys.187.73338
Figure 9 A–F SEM images of Pseudostaurosira occulta sp. nov. A, B external views of valves showing apical pore fields (black arrow in A) and other features C internal view of valve showing depressions containing the striae (dashed arrow) D internal close-up showing apical pore field depression (black arrow) and striae depression (dashed line) E close-up on valve apex showing flaps on apical pore field (black arrow) and open girdle element (white arrow) F close-up on cell-cell connection showing apical pore field covered with flaps (black arrow) and open girdle element (white arrow). Scale bars: 2 µm (D, E); 3 µm (F); 5 µm (A–C).
Figure 6 from: Morales EA, Wetzel CE, Ector L (2021) New and poorly known araphid diatom species (Bacillariophyta) from regions near Lake Titicaca, South America and a discussion on the continued use of morphological characters in araphid diatom taxonomy. PhytoKeys 187: 23-70. https://doi.org/10.3897/phytokeys.187.73338
Figure 6 A–V LM images of little known and new "araphid" diatoms from the Bolivian Altiplano A–DPseudostaurosira vulpina stat. nov. E–IP. frankenae sp. nov. (Fig. 6E is the holotype) J–OP. occulta sp. nov. (Fig. 6K corresponds to the holotype) P–VP. oblonga sp. nov. (Fig. 6R corresponds to the holotype). Scale bar: 10 µm.
FIGURE 4 in Irpex jinshaensis sp. nov. and I. subulatus comb. nov. (Irpicaceae, Polyporales), evidenced by morphological characters and phylogenetic analysis
FIGURE 4. Basidiocarps of Irpex subulatus (Dai 16719). Photo by: Yu-Cheng Dai.
FIGURE 1 in A new species of Echinoderes (Kinorhyncha: Cyclorhagida: Echinoderidae) from the Argentinean continental shelf with notes on its postembryonic development and on subcuticular morphological characters unreported for Kinorhyncha
FIGURE 1. Map of the sampling station at the Argentinean continental shelf (Station E29).
Fig. 8. A in Re-Evaluation Of Morphological Characters Questions Current Views Of Pinniped Origins
Fig. 8. A — Allodesmus kelloggi, LACM 4320, holotype, mounted skeleton, Natural History Museum of Los Angeles County; B — Zalophus, Clark Park, CA; C — Allodesmus kelloggi, forelimb, Buena Vista Museum of Natural History, Bakersfield, CA. Forelimb (D) and hindlimb (E — reversed, left, adult male) of Monachus tropicalis (USNM 22543). Arrow indicates middle phalanx in the V digit of the hindlimb.
Fig. 10 in Re-Evaluation Of Morphological Characters Questions Current Views Of Pinniped Origins
Fig. 10. Dorsal views of skulls of modern representative of pinnipeds (modified from Howell, 1929; King, 1983 b) of: A — otariids (supraorbital process of the frontal bone is large and shelf-like); B — phocids (supraorbital process is absent); C — odobenids (supraorbital process is absent also).
FIGURE 16 in Clarification of morphological characters and geographical distribution of Artemisia neosinensis (Asteraceae, Anthemideae), a strikingly misunderstood species from China
FIGURE 16. Syntype sheets of Artemisia tainingensis.
Supplementary material 23 from: Hita Garcia F, Fischer G, Liu C, Audisio TL, Economo EP (2017) Next-generation morphological character discovery and evaluation: an X-ray micro-CT enhanced revision of the ant genus Zasphinctus Wheeler (Hymenoptera, Formicidae, Dorylinae) in the Afrotropics. ZooKeys 693: 33-93. https://doi.org/10.3897/zookeys.693.13012
Video 10 : Data type: Video File (.mov)
Figure 3 from: de Chambrier A, Waeschenbach A, Fisseha M, Scholz T and Mariaux J (2015) A large 28S rDNA-based phylogeny confirms the limitations of established morphological characters for classification of proteocephalidean tapeworms (Platyhelminthes, Cestoda). ZooKeys 500: 25-59. https://doi.org/10.3897/zookeys.500.9360
Figure 3 - A–C Scoleces with rostellum-like organs and retractor muscles. A Without hooks. Ritacestus ritaii (Verma, 1926) (modified from de Chambrier et al. 2011) B With hooks. Gangesia bengalensis (Southwell, 1913) (modified from Ash et al. 2012) C Partly-invaginated. Sagittal section, ho: hooks; rm: retractor muscles; lm; longitudinal muscles. Vermaia pseudotropii (Verma, 1928) (modified from Ash et al. 2010) D–F Egg modifications D Egg cluster in a capsule. Vandiermenia beveridgei (de Chambrier & de Chambrier, 2010) (modified from de Chambrier and de Chambrier 2010) E Egg with two polar projections. Brooksiella praeputialis (Rego, Santos & Silva, 1974) (modified from de Chambrier et al. 2004a) F Eggs with two polar projections. Rudolphiella spp. from Calophysus macropterus (two eggs above) and Megalonema platanum, respectively (modified from Gil de Pertierra and de Chambrier 2000) G–H Ovary size G Relatively large ovary (16.4% proglottid surface) in Gangesia agraensis Verma, 1928 (modified from Ash et al. 2012) H Relatively small ovary in Ophiotaenia lapata Rambeloson, Ranaivoson & de Chambrier (2012) (2.8% of proglottid surface) (modified from Rambeloson et al. 2012). Scale-bars: A, B, C = 100 µm; D, E = 20 µm; F = 50 µm; G = 200 µm; H = 500 µm.
Figure 2 from: de Chambrier A, Waeschenbach A, Fisseha M, Scholz T and Mariaux J (2015) A large 28S rDNA-based phylogeny confirms the limitations of established morphological characters for classification of proteocephalidean tapeworms (Platyhelminthes, Cestoda). ZooKeys 500: 25-59. https://doi.org/10.3897/zookeys.500.9360
Figure 2 - Schematic representation of proteocephalidean uterus development (a–c). The uterus observed in early immature, premature, mature, pregravid and gravid proglottids is represented from left to right. The major differences are observed in premature and mature proglottids (dotted line): a and c Development of Type 1 and 2, respectively (de Chambrier et al. 2004c) b Development of an "intermediate type" as observed in Pangasiocestus and Australotaenia (this paper) d Typical "intermediate type" uterus in a mature proglottid of Australotaenia bunthangi de Chambrier & Scholz, 2012 (holotype, MHNG-PLAT-75447). Scale in micrometers.
Figure 37 from: Douglas HB (2017) World reclassification of the Cardiophorinae (Coleoptera, Elateridae), based on phylogenetic analyses of morphological characters. ZooKeys 655: 1-130. https://doi.org/10.3897/zookeys.655.11894
Figure 37 - Inferred phylogeny of Cardiophorinae and Negastriinae based on 139 parsimony-informative adult morphological characters (left), with Bayesian topology (adapted from Fig. 36) on right. Parsimony tree is a strict consensus of 412 most parsimonious trees of 1083 steps, CI = 0.17. Values above branches are decay indices, values below branches are bootstrap indices (above 50%). D (and colour purple), P (and colour orange), and N (and colour blue) are members of Dendrometrinae , Physodactylinae and Negastriinae respectively within the Cardiophorine clade (shown by colour alone elsewhere). Genus name "Cardiophorus" indicates Cardiophorus. Names are pre-revision. Type species of genera are marked with "*".
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