Smarididae is a family of
mite
Mites are small arachnids (eight-legged arthropods). Mites span two large orders of arachnids, the Acariformes and the Parasitiformes, which were historically grouped together in the subclass Acari, but genetic analysis does not show clear evid ...
s belonging to the order
Trombidiformes
The Trombidiformes are a large, diverse order of mites.
Taxonomy
In 1998, Trombidiformes was divided into the Sphaerolichida and the Prostigmata. The group has few synapomorphies by which it can be defined, unlike the other major group of aca ...
. These large
predator
Predation is a biological interaction where one organism, the predator, kills and eats another organism, its prey. It is one of a family of common feeding behaviours that includes parasitism and micropredation (which usually do not kill th ...
y mites have long oval bodies, distinctively pointed in front. They are usually red and densely hairy with slender legs, sometimes very long. They have either one or two pairs of eyes.
Fossil record
The
Cretaceous
The Cretaceous ( ) is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 79 million years, it is the longest geological period of th ...
smaridid ''
Immensmaris chewbaccei'' had idiosoma of more than in length and was the largest fossil acariform mite and also the largest
erythraeoid mite ever recorded.
[J. A. Dunlop, K. Frahnert, and J. Makol. 2018]
A giant mite in Cretaceous Burmese amber
Fossil Record 21:285-290
References
Further reading
*''Nine new species of the superfamily Erythraeoidea (Acarina: Trombidiformes) associated with plants in South Africa'', Magdalena K.P. Meyer & P.A.J. Ryke, Acarologia I
Trombidiformes
Acari families
{{Trombidiformes-stub