Additional
Information: Biology of Acari or Acarina, the taxonomic grouping that includes ticks and mites. This group is the most diverse and abundant of the arachnids. There are three major lineages - the Opilioacariformes, Acariformes and Parasitiformes - with more than 45,000
Acari: The Mites Acari: The Mites: Characteristics, taxonomy, and phylogenetic relationships of the Acari, including mites and ticks. By David Evans Walter, Jerry Krantz, and Evert Lindquist, from The Tree of Life project. (Ticks and Mites) http://tolweb.org/tree?group=Acari&contgroup=Arachnida