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1,968 results for “morphological taxonomy”
FIGURES 38–44 in Contributions to the knowledge of Canuleius Stål (Phasmatodea: Heteronemiidae) taxonomy, morphology and notes on the biology of two species
FIGURES 38–44. Canuleius grandis, intraspecific variation in female ornamentation. 38–39. Variation in head ornamentation, exemplified by a specimen with a pair of well-developed spines (38) and another with small tubercles and without spines (39). 40–42. Variation in mesofemur ornamentation, exemplified by a specimen with smooth mesofemur (40), another with small, rounded lobes (41), and another with well-developed, hooked lobes (42). 43–44. Variation in abdominal ornamentation, exemplified by a specimen with a dorsal scale on the posterior margin of the tergum VI (43) and another with a smooth tergum VI (44). T6, T7=Abdominal tergites VI and VII. Images not to scale.
Supplementary material 1 from: Yang L-H, Wen F, Kong H-H, Sun Z-X, Su L-Y, Kang M (2020) Two new combinations in Oreocharis (Gesneriaceae) based on morphological, molecular and cytological evidence. In: Shui Y-M, Chen W-H, Ren M-X, Wen F, Hong X, Qiu Z-J, Wei Y-G, Kang M (Eds) Taxonomy of Gesneriaceae in China and Vietnam. PhytoKeys 157: 43-58. https://doi.org/10.3897/phytokeys.157.32609
Taxon, voucher information and GenBank accession number of the samples used in the phylogenetic analyses.
FIGURE 3 in Integrative taxonomy of some Iranian peregrine earthworm species using morphology and barcoding (Annelida: Megadrili)
FIGURE 3. ML tree of the studied species based on the 16S sequences. Nodes with Bayesian posterior probability and maximum likelihood bootstrap values. The red lines indicate the Iranian clades.
FIGURE 2 in Integrative taxonomy of some Iranian peregrine earthworm species using morphology and barcoding (Annelida: Megadrili)
FIGURE 2. ML tree of the studied species based on the COI sequences. Nodes with Bayesian posterior probability and maximum likelihood bootstrap values. The red lines indicate the Iranian clades.
FIGURE 3 in Checklist of Cycloposthiidae species (Ciliophora, Entodiniomorphida), with a brief review on taxonomy, morphology and hosts
FIGURE 3. Species from the genus Triplumaria in drawings based from descriptions and redescriptions performed by other authors. A. T. acuticaudata (Timoshenko & Imai, 1995); B. T. alluvia (Ito et al. 2008); C. T. corrugata (Van Hovel et al. 1998); D. T. asiatica (Timoshenko & Imai, 1995); E. T. selenica (Ito et al. 2010); F. T. fulgora (Ito et al. 2011); G. T. grypoclunis (Ito et al. 2008); H. T. hamertoni (Anette & Van Hoven, 1980); I. T. antis (Ito et al. 2011); J. T. harpagonis (Ito et al. 2011); K. T. dvoinoisi (Ito et al. 2011); L. T. izmirae (Gürelli & Ito, 2014); M. T. longinucleata (Timoshenko & Imai, 1995); N. T. doliiformis (Timoshenko & Imai, 1995); O. T. suwako (Ito et al. 2011); P. T. sukuna (Ito et al. 2011); Q. T. solea (Ito et al. 2011); R. T. poljanskii (Timoshenko & Imai, 1995); S. T. zuze (Ito et al. 2011); T. T. heterofasciculata (Timoshenko & Imai, 1995); U. T. ovina (Timoshenko & Imai, 1995); V. T. irregularis (Timoshenko & Imai, 1995); W. T. nucleocaudata (Timoshenko & Imai, 1995). Ma: macronucleus; PK: paralabial kineties; PVP: perivestibular polybrachykinety; SP: skeletal plates; Ve: vestibulum. Bars: 100µm.
FIGURE 4. Part 2 in Checklist of Cycloposthiidae species (Ciliophora, Entodiniomorphida), with a brief review on taxonomy, morphology and hosts
FIGURE 4. Part 2. Morphometric characterization of species which were described in the Cycloposthiidae family. The morphometric values shown in the figure refer to the mean, standard deviation and minimum and maximum values retrieved from the literature for each species. However, statistical data is not avalibable for all species. The species Carinoposthium caudatum, Cycloposthium plicatocaudatum and Prototapirella intestinalis were not included in the figure because their morphometric data are unavailable. 1Van Hoven et al. 1987; 2Ito et al. 2014; 3Buisson, 1923; 4Hsiung, 1930; 5Ito & Imai, 2000; 6Cunha & Muniz, 1927; 7Van Hoven et al. 1998; 8Thurston & Noirot-Timothée, 1973; 9Ito et al. 2016; 10Timoshenko & Imai, 1995; 11Ito et al. 2008; 12Ito et al. 2011; 13Hoare, 1937; 14 Gürelli & Ito, 2014; 15Ito et al. 2010.
FIGURE 4. Part 1 in Checklist of Cycloposthiidae species (Ciliophora, Entodiniomorphida), with a brief review on taxonomy, morphology and hosts
FIGURE 4. Part 1. Morphometric characterization of species which were described in the Cycloposthiidae family. The morphometric values shown in the figure refer to the mean, standard deviation and minimum and maximum values retrieved from the literature for each species. However, statistical data is not avalibable for all species. The species Carinoposthium caudatum, Cycloposthium plicatocaudatum and Prototapirella intestinalis were not included in the figure because their morphometric data are unavailable. 1Van Hoven et al. 1987; 2Ito et al. 2014; 3Buisson, 1923; 4Hsiung, 1930; 5Ito & Imai, 2000; 6Cunha & Muniz, 1927; 7Van Hoven et al. 1998; 8Thurston & Noirot-Timothée, 1973; 9Ito et al. 2016; 10Timoshenko & Imai, 1995; 11Ito et al. 2008; 12Ito et al. 2011; 13Hoare, 1937; 14 Gürelli & Ito, 2014; 15Ito et al. 2010.
FIGURE 2 in Checklist of Cycloposthiidae species (Ciliophora, Entodiniomorphida), with a brief review on taxonomy, morphology and hosts
FIGURE 2. Species of the genera Arachnodinella, Bozasella, Lavierella, Monoposthium, Phalodinium, Prototapirella, Tricaudalia, Trifascicularia e Tripalmaria in drawings based from descriptions and redescriptions performed by other authors. A. Arachnodinella noveni (Van Hoven et al. 1987); B. Monoposthium acanthum (Thurston & Noirot-Timothe, 1973); C. Monoposthium bracchium (Van Hoven et al. 1987); D. Monoposthium latus (Van Hoven et al. 1987); E. Monoposthium cynodontum (Ito & Imai, 2000); F. Monoposthium vulgaris (Van Hoven et al. 1987); G. Phalodinium digitalis (Van Hoven et al. 1987); H. Lavierella africana (Buisson, 1923); I. Lavierella klipdrifi (Van Hoven et al. 1987); J. Prototapirella clypeata (Buisson, 1923); K. Bozasella gracilis (Ito et al. 2014); L. Bozasella rhinocerotis (Buisson, 1923); M. Prototapirella fosseyi (Ito et al. 2016); N. Tricaudalia brumpti (Buisson, 1923); O. Tripalmaria dogieli (Hsiung, 1930); P. Prototapirella cristata (Buisson, 1923); Q. Prototapirella elephantis (Buisson, 1923); R. Prototapirella rwanda (Ito et al. 2016); S. Prototapirella gorillae (Ito et al. 2016); T. Prototapirella intestinalis (Anette & Van Hoven, 1980); U. Trifascicularia cycloposthium (Strelkow, 1939). AC: adoral ciliary; Cau: caudalia; Ma: macronucleus; SP: skeletal plate. Bars: 100µm.
FIGURE 1 in Checklist of Cycloposthiidae species (Ciliophora, Entodiniomorphida), with a brief review on taxonomy, morphology and hosts
FIGURE 1. Species of the genus Cycloposthium, in drawings based from descriptions and redescriptions performed by other authors. A. C. caudatum (Ito & Imai, 2000); B. C. elongatum (Ito & Imai, 2000); C. C. hydrochoeri (Ito & Imai, 2000); D. C. affinae (Hsiung, 1930); E. C. incurvum (Ito & Imai, 2000); F. C. edentatum (Strelkow, 1939); G. C. magnum (Cunha & Muniz, 1927); H. C. lenticularis (Ito & Imai, 2000); I. C. plicatocaudatum (Strelkow, 1939); J. C. compressum (Ito & Imai, 2000); K. C. piscicauda (Strelkow, 1939); L. C. bipalmatum (Ito et al. 2002); M. C. dentiferum (Strelkow, 1939); N. C. bursa (Ito & Imai, 2000); O. C. vorax (Cunha & Muniz, 1927); P. C. minutum (Ito & Imai, 2000); Q. C. scutigerum (Hsiung, 1930); R. C. ishikawai (Strelkow, 1939); S. C. corrugatum (Strelkow, 1939); T. C. cristatum (Ito & Imai, 2000). AC: adoral ciliary; Cau: caudalia; Ma: macronucleus; PVP: perivestibular polybrachykinety; SP: skeletal plate; Ve: vestíbulum. Bars: 100µm.
Data from: Analysis of morphological variability in the clam shrimp Eosestheria middendorfii (Crustacea, Spinicaudata) from the Lower Cretaceous of China, and its implications for spinicaudatan taxonomy
Unresolved taxonomic issues regarding spinicaudatans, clam shrimps that formed the most abundant faunal element in the lacustrine Barremian to Aptian Yixian Formation, have hampered palaeoecological and evolutionary interpretations of this key fossil group. Here, we analyse morphological variability in East Asian clam-shrimp taxa by quantifying: (1) size and shape; and (2) ornamental features (radial lirae distances). Intergeneric variability was examined using 51 specimens of various East Asian Mesozoic taxa, 16 of which were chosen for a taxonomic revision of the 10 species described from the Yixian Formation of western Liaoning. Geometric morphometrics proved to be effective for the separation of genera, while the quantification of ornamental features was species-diagnostic. Various authors have previously indicated the possibility that East Asian clam-shrimp species have been split excessively, a criticism that has been confirmed by our analyses. According to our results, four of the ten species described from the Yixian Formation are valid, of which one might represent a junior synonym of Diestheria jeholensis; five taxon names represent junior synonyms of Eosestheria middendorfii (Jones), and one a nomen dubium. According to lirae distances and analysis of shape, Eosestheria fuxinensis, the original type species of Eosestheria, is synonymous with the type of Diestheria. Therefore, a new type species for Eosestheria is warranted and here fixed as E. middendorfii. This taxonomic revision questions the high level of clam-shrimp diversity recognized within the Yixian Formation, and indicates that many of the species described in fact represent various ontogenetic stages of E. middendorfii.
Data from: Ontogeny, morphology and taxonomy of the soft-bodied Cambrian 'mollusc' Wiwaxia
The soft-bodied Cambrian organism Wiwaxia poses a taxonomic conundrum. Its imbricated dorsal scleritome suggests a relationship with the polychaete annelid worms, whereas its mouthparts and naked ventral surface invite comparison with the molluscan radula and foot. 476 new and existing specimens from the 505-Myr-old Burgess Shale cast fresh light on Wiwaxia's sclerites and scleritome. My observations illuminate the diversity within the genus and demonstrate that Wiwaxia did not undergo discrete moult stages; rather, its scleritome developed gradually, with piecewise addition and replacement of individually secreted sclerites. I recognize a digestive tract and creeping foot in Wiwaxia, solidifying its relationship with the contemporary Odontogriphus. Similarities between the scleritomes of Wiwaxia, halkieriids, Polyplacophora and Aplacophora hint that the taxa are related. A molluscan affinity is robustly established, and Wiwaxia provides a good fossil proxy for the ancestral aculiferan – and perhaps molluscan – body plan.
Data from: Morphological and molecular evolution and their consequences for conservation and taxonomy in the Le Conte's Thrasher (Toxostoma lecontei)
We evaluated geographic variation and subspecific taxonomy in the Le Conte's Thrasher (Toxostoma lecontei) by analyzing DNA sequences from 16 nuclear loci, one mitochondrial DNA locus, and four study skin characters, and compared these data sets with previously published data on plumage coloration and different mtDNA genes. Morphological support for the southernmost taxon, T. l. arenicola, is relatively weak: multivariate analyses of morphometrics or back coloration do not provide diagnostic support, although one color character differs statistically. However, combined DNA analyses indicate that T. l. arenicola is diagnosable and reciprocally monophyletic, diverging from T. l. lecontei at least 140,000 years ago. Little to no past introgression across a very short geographic distance despite the long period of isolation is strong evidence of independently evolving taxa. We suggest that the lack of morphological divergence in traits related to niche use has prevented the two taxa from invading each other's range. Despite relatively weak morphological differences we suggest that these two deeply divergent lineages merit species status, and we suggest Vizcaino Thrasher for the common name corresponding to T. l. arenicola. The population size of T. l. arenicola is small and the taxon is in need of preservation attention.
FIGURE 4 in Chromosomal and morphological taxonomy of larvae of Simulium (Gomphostilbia) (Diptera: Simuliidae) in Thailand
FIGURE 4. Photographs of postgenal clefts of Simulium species in subgenus Gomphostilbia. A, Simulium asakoae. B, S. gombakense. C, S. sheilae. D, S. dentistylum. E, S. sp. nr. sheilae. F, S. sp. A.
FIGURE 3 in Chromosomal and morphological taxonomy of larvae of Simulium (Gomphostilbia) (Diptera: Simuliidae) in Thailand
FIGURE 3. Photographs of gill filaments of Simulium species in subgenus Gomphostilbia. A, Simulium angulistylum. B, S. sp. A. C, S. novemarticulatum. D, S. siamense. E, S. sheilae. F, S. sp. nr. sheilae.
FIGURE 2 in Chromosomal and morphological taxonomy of larvae of Simulium (Gomphostilbia) (Diptera: Simuliidae) in Thailand
FIGURE 2. Photographs of setae on abdominal cuticle of Simulium species in subgenus Gomphostilbia. A, Simulium angulistylum. B, S. decuplum. C, S. dentistylum. D, S. siamense. E, S. sp. A. F, S. asakoae. G, S. sheilae. H, S. sp. nr. sheilae. I, S. novemarticulatum. J, S. sp. B.
FIGURE 1 in Chromosomal and morphological taxonomy of larvae of Simulium (Gomphostilbia) (Diptera: Simuliidae) in Thailand
FIGURE 1. Idiograms of chromosome arm IIS for 12 Simulium species in subgenus Gomphostilbia from Khao Yai National Park, showing relative locations of Ce, centromere; RB, ring of Balbiani; Bu, bulge; Sh, shoestring. A, Simulium angulistylum. B, S. decuplum. C, S. dentistylum. D, S. gombakense. E, S. siamense. F, S. sp. A. G, S. asakoae. H, S. sheilae. I, S. sp. nr. sheilae. J, S. novemarticulatum. K, S. sp. B. L, S. sp. C.
FIGURES 35–50. Male antennomeres IX–XI in Revision of the genus Eulichas Jacobson, 1913 (Coleoptera: Eulichadidae) I. Introduction, morphology of adults, key to subgenera and species groups, and taxonomy of E. funebris species group
FIGURES 35–50. Male antennomeres IX–XI of Eulichas. 35 – E. funebris; 36 – E. meghalayensis sp. nov.; 37 – E. tenuicornis; 38 – E. tonkinensis; 39 – E. undulata; 40 – E. haucki sp. nov.; 41 – E. kubani sp. nov.; 42 – E. pacholatkoi; 43 – E. birmanica sp. nov.; 44 – E. jaechi sp. nov.; 45 – E. strbai sp. nov.; 46 – E. tanahrata sp. nov.; 47 – E. janbezdeki sp. nov.; 48 – E. milleri; 49 – E. mediocris; 50 – E. minuta sp. nov. Scale bar 1 mm.
FIGURES 19–26 in Revision of the genus Eulichas Jacobson, 1913 (Coleoptera: Eulichadidae) I. Introduction, morphology of adults, key to subgenera and species groups, and taxonomy of E. funebris species group
FIGURES 19–26. Aedeagus of Eulichas in dorsal view. 19 – E. funebris; 20 – E. meghalayensis sp. nov.; 21 – E. tenuicornis; 22 – E. tonkinensis; 23 – E. undulata; 24 – E. haucki sp. nov.; 25 – E. kubani sp. nov.; 26 – E. pacholatkoi. Scale bar 1.5 mm.
FIGURES 27–34 in Revision of the genus Eulichas Jacobson, 1913 (Coleoptera: Eulichadidae) I. Introduction, morphology of adults, key to subgenera and species groups, and taxonomy of E. funebris species group
FIGURES 27–34. Aedeagus of Eulichas in dorsal view. 27 – E. birmanica sp. nov.; 28 – E. jaechi sp. nov.; 29 – E. strbai sp. nov.; 30 – E. tanahrata sp. nov.; 31 – E. janbezdeki sp. nov.; 32 – E. milleri; 33 – E. mediocris; 34 – E. minuta sp. nov. Scale bar 1.5 mm.
FIGURES 15–18 in Revision of the genus Eulichas Jacobson, 1913 (Coleoptera: Eulichadidae) I. Introduction, morphology of adults, key to subgenera and species groups, and taxonomy of E. funebris species group
FIGURES 15–18. Pronotum of Eulichas. 15 – E. funebris; 16 – E. undulata; 17 – E. mediocris; 18 – E. minuta sp. nov. Scale bar 1 mm.
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