''Permothrips'' is an extinct genus of

thrips Thrips (Order (biology) , order Thysanoptera) are minute (mostly long or less), slender insects with fringed wings and unique asymmetrical mouthparts. Entomologists have species description , described approximately 7,700 species. They fly on ...

from the Archescytinidae family that is notable for being one of the oldest records of thrips to date. The type species (''P. longipennis'') was described by A. V. Martynov in 1935 on the basis of PIN 2506/4, a single

exoskeleton An exoskeleton () . is a skeleton that is on the exterior of an animal in the form of hardened integument, which both supports the body's shape and protects the internal organs, in contrast to an internal endoskeleton (e.g. human skeleton, that ...

found in Sedy,

Russia Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...

.A. V. Martynov. (1935). A find of Thysanoptera in the Permian deposits. ''Comptes Rendus (Doklady) de l'Académie des Sciences de l'URSS'' 3(7):333-336 It was probably a fungus feeding ancestor of the

Mesozoic The Mesozoic Era is the Era (geology), era of Earth's Geologic time scale, geological history, lasting from about , comprising the Triassic, Jurassic and Cretaceous Period (geology), Periods. It is characterized by the dominance of archosaurian r ...

thrips.

References

Monotypic prehistoric insect genera Thrips Fossil taxa described in 1935 {{Thrips-stub