SYNOPSIS OF THE DESCRIBED ARACHNIDA OF THE WORLD
3/7/2005 
                                                         Recent        Fossil      Status
                                                      Gen.  Spec.    Gen.   Spec.
 
CLASS     Arachnida                                 11488   51326    334     627 
SUBCLASS   Arachnina                                 6048   12465    297     521 
  COORDINATORS FOR THE ARACHNINA 
 
ORDER            Araneae                             3598 [38274]    118     216 
 
ORDER            Amblypygi                             17     159      5       8 * Complete
 
ORDER            Architarbi                             0       0     16      26 
 
ORDER            Haptopodida                            0       0      1       1 
 
ORDER            Opiliones                           1638    6125      8      27 
 
ORDER            Palpigradi                             6      79      2       2 * Complete
 
ORDER            Pseudoscorpionida                    437    3266      9      37 * Complete
 
ORDER            Pulmonatastem                          0       0      1       1 Complete
 
ORDER            Ricinulei                              3      57      4      16 * Complete
 
ORDER            Schizomida                            42     236      3       4 * Complete
 
ORDER            Scorpiones                           165    1454     86     109 Complete
 
ORDER            Solifugae                            142    1090      3       3 * Complete
 
ORDER            Trigonotarbida                         0       0     41      71 
 
ORDER            Uropygi                                0       0      0       0 * Complete
 
SUBCLASS   Acari                                     5440   38861     37     106 
  ACARI PROJECT STATUS
  COORDINATORS FOR THE ACARI 
 
SUPERORDER     Parasitiformes
ORDER            Opilioacarida                          9      21      0       0 * 
 
ORDER            Holothyrida                           10      25      0       0 * 
 
ORDER            Ixodida                               18     868      0       4 * 
 
ORDER            Mesostigmata                         887    8280      2       5 
 
SUPERORDER     Acariformes
ORDER            Actinedida                          2146   19590     10      28 
 
ORDER            Astigmata                           1096    3419      2       3 
 
ORDER            Oribatida                           1274    6658     23      66 
 
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  ACARI
    Krantz, G. W.: A manual of acarology, 2d ed.,
        Corvallis : Oregon State University Book Stores, 1978 509 p.
        A new edition is forthcoming.

  ARACHNIDA [SMALL ORDERS]
    Harvey: world catalog on the Amblypygi, Uropygi, Schizomida,
     Palpigradi, Ricinulei and Solifugae is available at: 
        See  http://www.publish.csiro.au/pid/3468.htm

  ARANEAE    
    Platnick: World Spider Catalogue Version 4 online is at:
        See  http://research.amnh.org/entomology/spiders/catalog/INTRO1.html

  OPILIONES
    Kury: world catalog on the Opiliones [Laniatories] is available at:
        See  http://acd.ufrj.br/mndi/Aracnologia/catlan.htm   

  PSEUDOSCORPIONIDA
    Harvey: Catalogue of the Pseudoscorpionida [Ed. Mahnert],
        Manchester University Press, 1990, 726 pp.	
        
  SCORPIONES
    Fet, Sissom, Lowe, & Braunwalder:  Cataloge of the Scorpions of the World (1758-1998) is available at: 
        See  http://www.science.marshall.edu/fet/Euscorpius/catalog2000.htm   
        [The New York Entomological Society (2000). ISBN 0913424242]		

  ARACHNIDA
  	International Society for Arachnology
		See http://www.arachnology.org/
		
	Acarology Homepage [hosted by Natural History Museum United Kingdom]
		See http://www.nhm.ac.uk/hosted_sites/acarology/
		
	Tree of Life: entering at Arachnida [created by David and Wayne Maddison]
		See http://tolweb.org/tree?group=Arachnida&contgroup=Arthropoda
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