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Topic: Symphyla


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In the News (Mon 30 Nov 09)

  
  CENTIPEDE - LoveToKnow Article on CENTIPEDE
The resemblance between the Chilopoda and the Diplopoda is principally superficial and due to the elongation and vermiform shape of the body, which in.
As the basis for this classification was taken,the position of the generative orifices which open in the Opisthogonea at the posterior end and in the Prosogonea near the anterior end of the body.
Structure of the Chilopoda.The exoskeletal elements of a typical somite consist of a dorsal plate or tergum, a ventral plate or sternum, a lateral or pleural membrane, often strengthened with chitinous sclerites, and a pair of appendages.
www.1911encyclopedia.org /C/CE/CENTIPEDE.htm   (5988 words)

  
 Nature V413, 157
Provisional closure in insects was summarised by Johannsen and Butt (1941:56-57).
The median apical lobes of the gnathochilarium of pauropods arise from the mandibular segment (Tiegs, 1947; Snodgrass, 1952), and are considered homologous with superlinguae.
Chilopoda (except Geophilomorpha) resemble Diplopoda and Symphyla in having the gnathal lobe of the mandible musculated by a large flexor that arises on the dorsal surface of the cranium (Snodgrass, 1950, 1952).
www.nature.com /nature/journal/v413/n6852/extref/413157aa.html   (19191 words)

  
 Symphyla
Edwards, C. A revision of the British Symphyla.
Edwards, C. Keys to the genera of the Symphyla.
Symphyla from Middle and South Europe, Turkey and Morocco (Myriapoda, Symphyla).
tolweb.org /tree?group=Symphyla&contgroup=Arthropoda   (401 words)

  
 The Essig Museum of Entomology   (Site not responding. Last check: 2007-10-21)
The Symphyla collection dates from this earliest period in "Mickie's" career, having served as the basis for his doctoral dissertation on the systematics of the group.
Though his published works on Symphyla are mostly limited to this early period, the group was a lifelong interest and Dr. Michelbacher was considered a world authority on the group.
A synopsis of the genus Scutigerella (Symphyla: Scutigerellidae).
essig.berkeley.edu /collection/michelba.htm   (335 words)

  
 Tasmanian Symphyla: Introduction
Symphyla are small, blind, fast-running multipedes which can be very abundant in soil and forest litter.
Identification of Tasmanian Symphyla requires microscopic examination of the dorsal plates (tergites), which are more or less hairy and may also bear long, thin, socketed spines called 'macrochaetae' (see illustrations below).
Symphyla illustration based on drawing © Graham Milledge, used with permission, from Harvey, M.S. & Yen, A.L. Worms to wasps.
www.qvmag.tas.gov.au /zoology/multipedes/tassymph/symintro.html   (415 words)

  
 MILLIPEDE - LoveToKnow Article on MILLIPEDE   (Site not responding. Last check: 2007-10-21)
The structural character upon which these superciasses are based is the position of the generative apertures which open anteriorly in the Prosogonea and posteriorly in the Opisthogonea.
Structure.The anterior extremity is provided with a distinct head which by its general form and the nature of its appendages is as sharply marked off from the body as is the case in the Hexapoda.
The known species of Symphyla are referred to two genera, Scolopendrella and Scutigerella, which together constitute the family Scolopendrellidae.
52.1911encyclopedia.org /M/MI/MILLIPEDE.htm   (7050 words)

  
 [No title]
Chilopoda (centipedes, DA: Skolopendre), Diplopoda (millipedes, DA: Tusindben), Pauropoda (pauropods, DA: Pauropoder) and Symphyla (symphylids, DA: Symfyler).
The characters invoked in favour of the hypothesis of a sister-group relationship between Symphyla and Hexapoda are possibly symplesiomorphies or convergencies: Three pairs of buccal appendages (mouthparts) (RFB: fig.
Hemianamorphosis occurs in all Pauropoda and Symphyla and also in primitive Diplopoda; this character is thus a clear symplesiomorphy for the members of ‘Anamorpha’.
www.zmuc.dk /EntoWeb/kursmyr.doc   (4970 words)

  
 CLASS SYMPHYLA - Online Information article about CLASS SYMPHYLA   (Site not responding. Last check: 2007-10-21)
The Symphyla have frequently been compared with the Thysanurous Hexapods, the parapods with their adjacent exsertile vesicles in Scolopendrella being very sirnilar to the abdominal appendages and vesicles of such an See also:
It must be remembered, however, that the spinning glands of certain Diplopods occupy the same position as those of the Symphyla and open upon papilliform processes of the last tergal plate, which are certainly not appendages.
Hexapoda be admitted, the Symphyla, nevertheless, differ essentially from the Hexapoda in the anterior position of the generative orifice, and in the presence of twelve pairs of similar ambulatory limbs.
encyclopedia.jrank.org /CHR_CLI/CLASS_SYMPHYLA.html   (1317 words)

  
 Pauropods & Symphylans
Thus, the Pauropoda are a sort of 'half-way' stage between the ancestral myriapods, which were probably more or less centipede-like with one pair of legs on each body segment, and the millipedes which have two pairs of legs on each apparent segment.
The Symphyla, on the other hand, whilst essentially centipede-like, have numerous structural features of the head, mouthparts, abdominal segments and internal organs, more like some of the primitive apterygote insects than centipedes.
The Pauropoda and Symphyla are both rather obscure groups and relatively little is known about their biology and habits.
www.kendall-bioresearch.co.uk /myriapod.htm   (676 words)

  
 Symphyla - TheBestLinks.com - Agriculture, Soil, Centipede, Antenna (biology), ...   (Site not responding. Last check: 2007-10-21)
Symphyla - TheBestLinks.com - Agriculture, Soil, Centipede, Antenna (biology),...
Symphyla, Agriculture, Soil, Centipede, Antenna (biology), Arthropods, Instar...
Symphylans, also known as Garden Centipedes or Glasshouse Symphylans, are soil-dwelling arthropods of the Class Symphyla in the Subphylum Myriapoda.
www.thebestlinks.com /Symphyla.html   (181 words)

  
 The Greens (WA) - URGENT call to press CALM over Ludlow Symphyla   (Site not responding. Last check: 2007-10-21)
Dr Sharp said that new independent and scientific authoritative advice on subterranean fauna, which she has just received, suggests that the Symphyla habitat is likely to be in the Tuart root mats, possibly in association with the limestone pillars.
In two sets of sampling done at Ludlow late last year, thirteen Symphyla were found in different sample bores.
Early last week the Minister for Environment agreed that no dewatering licence would be provided to Cable Sands, in order to ensure that those subterranean fauna which live in association with groundwater - known as stygofauna - are not disturbed by the mining.
wa.greens.org.au /items/Media_Release.2004-09-08.0018/view   (447 words)

  
 Opisthogoneata   (Site not responding. Last check: 2007-10-21)
Initially, the section Opisthogoneata was characterized by presence of genital opening in hind part of the body, and included only Chilopoda, Hexapoda and Symphyla; the last were erroneously regarded having the genital opening posteriorly.
Later, the same author corrected his mistake and wrote that attributing of Symphyla to Progoneata or placing them "between Progoneata and Opisthogoneata" is a subject for further discussions.
As the initial attributing of Symphyla to Opisthogoneata was connected not with a special opinion about classification, but with an evident mistake concerning structure of animals, the name Opisthogoneata should be attributed to the taxon uniting Hexapoda + Chilopoda.
www.bio.pu.ru /win/entomol/KLUGE/nom/Opisthogoneata.htm   (172 words)

  
 Tasmanian Symphylans: Bibliography
'Symphyla were common and abundant in litter, soil and moss, but less frequently collected from the soil surface and absent from vegetation.
Symphyla were one of the groups typically found in logs and invariably present in large numbers in this habitat.' (p.
73-74) unidentified Symphyla from Tasmanian caves, where they are said to be common and sometimes abundant.
www.qvmag.tas.gov.au /zoology/multipedes/tassymph/symrefs.html   (459 words)

  
 symphylan --  Encyclopædia Britannica
The approximately 120 species resemble small centipedes; the largest are less than 10 millimetres (0.4 inch) long.
Among the myriapods, the Symphyla bear the closest relationship to hexapods, and both may have arisen from an ancestral symphylan stem.
The myriapods are a little-known group, although some 11,000 living species have been recognized.
www.britannica.com /eb/article-9070732?tocId=9070732   (363 words)

  
 Search Results for symphyla - Encyclopædia Britannica
The bodies of those insects were divided then, as now, into a head...
any member of the arthropod class Symphyla, commonly grouped with several other classes as myriapods.
Among the myriapods, the Symphyla bear the closest...
www.britannica.com /search?query=symphyla&submit=Find&source=MWTAB   (152 words)

  
 little white centipede - BugGuide.Net
In all cases Chilopoda, Diplopoda, and Symphyla were siblings under Myriapoda so I did that and kept them as classes.
We were just wondering if we should create an entire class (Symphyla) for this one photo.
I was just picturing the Guide page having the class Sypmphala on it with one picture...which seemed odd to me....but I see you've taken care of that as well.
www.bugguide.net /node/view/16419/bgimage   (360 words)

  
 MILLIPEDE - Online Information article about MILLIPEDE   (Site not responding. Last check: 2007-10-21)
CENTIPEDE), the Pauropoda and the Symphyla as an See also:
independent classes of this phylum Arthropoda, or associated in two superclasses, the Opisthogonea or Opisthogoneata for the Chilopoda and Hexapoda; and the Prosogonea or Prosogoneata for the Diplopoda, Pauropoda and Symphyla.
Although the Pauropoda and Symphyla are not, strictly speaking, Diplopoda, these three groups of prosogoneate arthropods are here for convenience considered together.
encyclopedia.jrank.org /MIC_MOL/MILLIPEDE.html   (250 words)

  
 ARS | Publication request: Suitability of Selected Crops and Soil for Garden Symphylan (Symphyla, Scutigerellidae: ...
Citation: Umble, J.R., Fisher, J.R. Suitability Of Selected Crops And Soil For Garden Symphylan (Symphyla, Scutigerellidae: Scutigerella Immaculata Newport) Population Growth.
Interpretive Summary: The suitability of selected crops and soil for garden symphylan population growth was studied in the laboratory and field.
We feel that these results provide strong evidence that crop rotation may significantly influence S. immaculata population levels.
www.ars.usda.gov /research/publications/publications.htm?SEQ_NO_115=140648   (361 words)

  
 ARS | Publication request: Influence of below-Ground Feeding by Garden Symphylans (Symphyla, Scutigerellidae: ...
Publication request: Influence of below-Ground Feeding by Garden Symphylans (Symphyla, Scutigerellidae: Scutigerella Immaculata Newport) on Plant Health
Citation: Umble, J., Fisher, J. Influence Of Below-Ground Feeding By Garden Symphylans (Symphyla, Scutigerellidae: Scutigerella Immaculata Newport) On Plant Health.
These findings will be used to help develop action thresholds and sample size requirements, and to help reduce S. immaculata damage by avoiding the planting of highly susceptible crops at sites with high S. immaculata populations.
www.ars.usda.gov /research/publications/publications.htm?seq_no_115=137883   (611 words)

  
 Class Myriapoda Fossil Gallery   (Site not responding. Last check: 2007-10-21)
The two other subclasses, Pauropoda and Symphyla, comprise more elusive creatures of dim, protected places such as leaf litter and dirt.
Myriapods are most noted for having many legs (ranging from <10 to a couple hundred pairs) and there are some 13,000 extant species.
Two of them, the Symphyla and Pauropoda, consist of tiny arthropods living in leaf litter and soil; both superficially resemble centipedes.
www.fossilmuseum.net /Fossil_Galleries/Class_Myriapoda_fossil_gallery/Class_Myriapoda_fossil_gallery.htm   (415 words)

  
 Symphyla - Encyclopedia Glossary Meaning Explanation Symphyla   (Site not responding. Last check: 2007-10-21)
Here you will find more informations about Symphyla.
If you find this encyclopedia or its sister projects useful,
Lacking eyes, their long antennae serve as sense organs.
www.encyclopedia-glossary.com /en/Symphyla.html   (155 words)

  
 Progoneata   (Site not responding. Last check: 2007-10-21)
Initially, the section Progoneata was characterized by presence of genital opening in front, and included only Diplopoda and Pauropoda, while Symphyla were erroneously regarded having the genital opening posteriorly and were united with Chilopoda and Hexapoda in a section Opisthogoneata.
As the initial non-attributing of Symphyla to Progoneata was connected not with a special opinion about classification, but with an evident mistake concerning structure of animals, the name Progoneata should be attributed to the taxon uniting Symphyla + Diplopoda + Pauropoda.
The valid name for the taxon uniting only Diplopoda + Pauropoda should be Collifera Boudreaux 1979.
www.bio.pu.ru /win/entomol/KLUGE/nom/Progoneata.htm   (194 words)

  
 Resources from www.BiologyBrowser.org   (Site not responding. Last check: 2007-10-21)
discussion list for professional researchers and students interested in all aspects of the biology of the Classes Chilopoda, Diplopoda, Pauropoda and Symphyla
There are more than 200 species of centipedes, millipedes, Pauropoda, Symphyla and velvet worms in Tasmania.
This website will help you identify the Tasmanian 'multipedes' (native and introduced) and will direct you to relevant books, reports and papers.
www.biologybrowser.org /cgi-bin/search/hyperseek.cgi?Terms=Symphyla   (142 words)

  
 Definition of symphyla - Merriam-Webster Online Dictionary
symphyla is one of more than 1,000,000 entries available at Merriam-WebsterUnabridged.com.
For More Information on "symphyla" go to Britannica.com
Now you can take the Eleventh Edition with you anywhere as Franklin's new Speaking Electronic Handheld!
www.m-w.com /cgi-bin/dictionary?book=Dictionary&va=Symphyla   (82 words)

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