Overview
Taxonomy
The Subclass Micrura is a member of the Class Arachnida. Here is the complete "parentage" of Micrura:
- Domain: Eukaryota
Whittaker & Margulis,1978 - eukaryotes
- Kingdom: Animalia
C. Linnaeus, 1758 - animals
- Subkingdom: Bilateria
(Hatschek, 1888) Cavalier-Smith, 1983 - bilaterians
- Branch: Protostomia
Grobben, 1908 - protostomes
- Infrakingdom: Ecdysozoa
A.M.A. Aguinaldo et al., 1997 ex T. Cavalier-Smith, 1998 - ecdysozoans
- Superphylum: Panarthropoda
Cuvier
- Phylum: Arthropoda
Latreille, 1829 - Arthropods
- Subphylum: Arachnomorpha
Heider, 1913
- Infraphylum: Cheliceriformes
- Superclass: Chelicerata
- Infraphylum: Cheliceriformes
- Subphylum: Arachnomorpha
Heider, 1913
- Phylum: Arthropoda
Latreille, 1829 - Arthropods
- Superphylum: Panarthropoda
Cuvier
- Infrakingdom: Ecdysozoa
A.M.A. Aguinaldo et al., 1997 ex T. Cavalier-Smith, 1998 - ecdysozoans
- Branch: Protostomia
Grobben, 1908 - protostomes
- Subkingdom: Bilateria
(Hatschek, 1888) Cavalier-Smith, 1983 - bilaterians
- Kingdom: Animalia
C. Linnaeus, 1758 - animals
The Subclass Micrura is further organized into finer groupings including:
- Order (7): Amblypygida · Araneae · Palpigradi · Ricinulei · Schizomida · Trombidiformes · Uropygida
Orders
Amblypygida
Araneae
Spiders (order Araneae) are air-breathing arthropods that have eight legs and chelicerae with fangs that inject venom. They are the largest order of arachnids and rank seventh in total species diversity among all other groups of organisms. Spiders are found worldwide on every continent except for Antarctica, and have become established in nearly every habitat with the exception of air and sea colonization. As of 2008, approximately 40,000 spider species, and 109 families have been recorded by taxonomists; however, there has been confusion within the scientific community as to how all these families should be classified, as evidenced by the over 20 different classifications that have been proposed since 1900. [more]
Palpigradi
Ricinulei
Schizomida
Trombidiformes
The Trombidiformes is a large, diverse order of mites, comprising around 125 families and more than 22,000 described species. The group has few synapomorphies by which it can be defined, unlike the other major group of acariform mites, Sarcoptiformes. Its members include medically important mites (such as the chiggers and ) and many agriculturally important species, including the spider mites (Tetranychidae) and gall mites (Eriophyidae). Trombidiformes can be divided into Sphaerolichida and Prostigmata. [more]
Uropygida
At least 109 species and subspecies belong to the Order Uropygida.
More info about the Order Uropygida may be found here.
Sources
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