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Topic: Laniatores


  
  Soil Bugs - An illustrated guide to New Zealand soil invertebrates
Laniatores, or short-legged harvestmen, are the most diverse group of harvestmen in New Zealand.
The short-legged Laniatores are common among damp leaf-litter, under the loose bark of rotting logs on the ground, in moss, and in similar habitats.
Unlike Laniatores, the long-legged harvestmen (Palpatores) are most diverse in the northern hemisphere (temperate regions of North America, Europe, and Asia), although some species occur in the tropics.
soilbugs.massey.ac.nz /opiliones.php   (1816 words)

  
 Opiliones and Phalangida
Larger in size than the previous sub-order, these arachnids have their pedipalps modified into raptorial appendages which can grasp the prey by folding like a jack-knife; quite often these palps are armed with strong spines.
Their analysis is based on examination of two nuclear protein-encoding genes from 27 species in seven superfamilies and using Cyphophthalmi as an outgroup.
Some species extend down to the tropics, but mainly their distribution is in contrast to that of the Laniatores.
www.david.curtis.care4free.net /opiliotaxa.htm   (875 words)

  
 Opiliones - Wikipedia, the free encyclopedia
As of 2005, over 6,300 species of Phalangids have been described worldwide.
The order Opiliones can be divided in four suborders: Cyphophthalmi Simon 1879, Eupnoi Hansen and Sørensen 1904, Dyspnoi Hansen and Sørensen 1904 and Laniatores Thorell, 1876.
The name "daddy longlegs" can also refer to two other unrelated arthropods: the crane fly (Tipulidae) and the cellar spider (Pholcidae).
en.wikipedia.org /wiki/Opiliones   (768 words)

  
 Defenses of Opiliones (Arthropoda: Arachnida)
When taken in the grasp of a human hand, some Gonyleptidae (Opiliones: Laniatores) have the ability to flex their fourth legs quickly toward the body of the predator to deliver a sharp pinch between the armature of the coxae and femora.
The superfamily Travunioidea (Opiliones: Laniatores) secretes quinones and phenols that are different than most laniatorids (Ekpa and others 1984).
The Cyphophthalmi and Laniatores suborders have the ability to further administer their secretions by dabbing their secretions onto the aggressor (Eisner and others 1971,1977).
www.colostate.edu /Depts/Entomology/courses/en507/papers_2001/kerzicnik.htm   (2887 words)

  
 Sociedad Entomológica Aragonesa
There is a list of species recorded from each country and maritime territory.
Quite a number of years ago, Adriano informed me of his preparation of a catalogue to the Laniatores of South America.
            Laniatores from the Americas comprise roughly 40% of all the described members of the order.
entomologia.rediris.es /sea/publicaciones/ria/RIA_Opiliones.htm   (719 words)

  
 Amazon.com: Laniatores   (Site not responding. Last check: 2007-11-06)
Harvestmen of the sub-order Laniatores from New Zealand caves (Records of the Otago Museum.
The New Zealand harvestmen (sub-order Laniatores) (Canterbury Museum bulletin) by Raymond R Forster (Unknown Binding - 1954)
The actively predatory Laniatores are almost exclusively tropical and...
www.amazon.com /s?ie=UTF8&keywords=Laniatores&index=blended&page=1   (781 words)

  
 Chemical defense of an opilionid (Acanthopachylus aculeatus) -- Eisner et al. 207 (8): 1313 -- Journal of Experimental ...
aculeatus belongs to the suborder Laniatores of the Opiliones.
Laniatores generally, they occur on the ground in hiding places,
Gnaspini, P. and Cavalheiro, A. Chemical and behavioral defenses of a neotropical cavernicolous harvestman: Goniosoma spelaeum (Opiliones, Laniatores, Gonyleptidae).
jeb.biologists.org /cgi/content/full/207/8/1313   (4238 words)

  
 biblioop
Kury, A.B. Early lineages of Gonyleptidae (Arachnida Opiliones Laniatores).
Descripción de los nuevos géneros Nahuelonyx y Valdivionyx (Opiliones, Laniatores).
Tres nuevas especies del género Nuncia Loman 1902 (Opiliones, Laniatores).
www.efn.uncor.edu /departamentos/divbioeco/DivAni1/luis/op/biblioop.html   (733 words)

  
 Nature V413, 157
Shultz (1990) defined stomothecae as expanded coxal endites that form the wall of the pre-oral chamber in some arachnids (here scorpions and opilionids).
Shultz (1990) identified segmental furrows on the prosomal carapace as a synapomorphy for the arachnid clade Dromopoda, within which some taxa possess discrete segmental sclerites.
Within the Opiliones this is only the case of most members of the Eupnoi and Dyspnoi, but not for Cyphophthalmi or Laniatores, which present a scutum.
www.nature.com /nature/journal/v413/n6852/extref/413157aa.html   (19191 words)

  
 opiliones | English | Dictionary & Translation by Babylon
As of 2005, over 6,300 species of Phalangids have been described worldwide.
The order Opiliones can be divided in four suborders: Cyphophthalmi (Simon, 1879), Eupnoi (Hansen and Sørensen, 1904), Dyspnoi (Hansen and Sørensen, 1904) and Laniatores (Thorell, 1876).
Well-preserved fossils have been found in the 400-million year old Rhynie cherts of Scotland, which looks surpringly modern, indicating that the basic structure of the harvestmen hasn't changed much since then.
www.babylon.com /definition/opiliones   (126 words)

  
 abstracts
The focus of this study was to untangle the relationships between the four main groups of Opiliones (Cyphophthalmi, Laniatores, Eupnoi, and Dyspnoi), as well as between problematic taxa within those groups.
The variety of results obtained from all of the different methods of analysis for this data set implies that a plurality of methods does not necessarily converge on one "truth." Instead, it is suggested that philosophical and methodological continuity are more important in defending the results of any phylogenetic analysis.
The alternative topology that was well supported was (Cyphophthalmi(Eupnoi(Dyspnoi+ Laniatores))), but character congruence was higher when the Palpatores (Eupnoi+Dyspnoi) are a monophyletic group.
www.ldeo.columbia.edu /~martins/sen_sem/abstracts.html   (12010 words)

  
 What's That Bug? Opiliones and Harvestmen
I was hoping you could tell me what kind of spider it is and whether those massive fangs could do me any harm.
We are nearly positive this is a Harvestman in the Suborder Laniatores.
Eric Eaton wrote in with this identification: " The Chilean "spider" is actually a tropical harvestman (order Opilones), possibly in the suborder Laniatores, and, even more remotely plausible, in the family Gonyleptidae.
www.whatsthatbug.com /daddy_long_legs.html   (501 words)

  
 2001 ISA Abstracts
The true taxonomic position of the genus Neoscotolemon Roewer, 1912, and its implication in the systematics of the Stygnommatidae (Arachnida, Opiliones, Laniatores).
The results obtained are unstable for the high-level chelicerate relationships (except for Tetrapulmonata and Pedipalpi), and the sister group of the Opiliones is not clearly established.
Resolution within the Eupnoi, Dyspnoi and Laniatores is also stable to the superfamily level, permitting a new classification system for the Opiliones.
www.arachnology.org /ISA/meetings/2001abstracts.html   (17364 words)

  
 BAS Bulletin Articles - K   (Site not responding. Last check: 2007-11-06)
Kury, A.B. Synonymic notes on Mitobates Sundevall, with redescription of the type species, M.
Kury, A.B. Notes on Mitobatinae V: Revalidation of Ruschia Mello-Leitao, with redescription of the type species (Opiliones: Laniatores: Gonyleptidae).
Kury, A.B. On the familial assignment of Pherania and Tachusina (Opiliones, Laniatores, Gonyleptoidea).
www.britishspiders.org.uk /bultn/k.html   (224 words)

  
 NATURAL HISTORY MUSEUM OF THE CITY OF GENEVA: Scientific department, Arthropodology and Entomology I, Staff
MARTENS, J. A taxonomic revision of the family Oncopodidae I. New genera and new species of Gnomulus Thorell (Opiliones, Laniatores).
SCHWENDINGER, P. New Oncopodidae (Opiliones, Laniatores) from Southeast Asia.
Penis morphology in Oncopodidae (Opiliones, Laniatores): evolutionary trends and relationships.
www.ville-ge.ch /musinfo/mhng/page-e/artowho.htm   (3064 words)

  
 IngentaConnect A harvestman (Arachnida: Opiliones) from the Early Devonian Rhyni...
This is the oldest unequivocal record of arachnid tracheal respiration and indicates that E. sheari was terrestrial.
An annulate, setose ovipositor in the female suggests that it can be excluded from the clades Dyspnoi and Laniatores, in which the ovipositor lacks such annulations.
However, the penis shows evidence of two muscles, a feature of uncertain polarity seen in modern Troguloidea (Dyspnoi).
www.ingentaconnect.com /content/rse/tes/2004/00000094/00000004/art00006   (262 words)

  
 Zootaxa; Opiliones
Two new species of the enigmatic genus Stenophareus (Opiliones: Laniatores: Stygnidae) from the Venezuelan Guiana Shield
Martensiellus, a new genus from Borneo, and the discovery of a tarsal pore organ in Oncopodidae (Opiliones: Laniatores)
A new Tricommatinae from the montane savanna of São Paulo (Opiliones: Laniatores: Gonyleptidae)
www.mapress.com /zootaxa/taxa/Opiliones.html   (571 words)

  
 V. Benno Meyer-Rochow - publications
Article: "A theoretical analysis of geometrical ray optics in arthropod eyes with coaxial lens systems".
Article: "Structure and function of the eyes of two species of opilionids (Megalopsalis tumida : Palpatores, and Hendea myersi cavernicola : Laniatores) from New Zealand glowworm caves".
Note: "Near infra-red sensitivity of the eye of the crustacean Mysis relicta ".
www.meyer-rochow.com /publications1.htm   (5223 words)

  
 Annual Conference Abstracts 2002   (Site not responding. Last check: 2007-11-06)
Harvestmen (Arachnida: Opiliones) are relatively rare as fossils, but current data on their fossil record is summarised here and superimposed on the most recently published phylogeny - (Cyphophthalmi (Eupnoi (Dyspnoi + Laniatores))) - to infer minimum times for cladogenesis.
The 'primitive' cyphophthalmids lack a fossil record, and thus express a ghost range of c.
The bizarre, spiny, mostly tropical laniatores, are only known from Tertiary ambers (mostly Dominican) and thus express a c.
www.palass.org /pages/archive/confabs2002.html   (17397 words)

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