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The Permian is a geologic period and stratigraphic system which spans 47 million years from the end of the Carboniferous Period 298.9 million years ago (Mya), to the beginning of the Triassic Period 251.9 Mya. It is the last period of the Paleozoic Era; the following Triassic Period belongs to the Mesozoic Era. The concept of the Permian was introduced in 1841 by geologist Sir Roderick Murchison, who named it after the region of Perm in Russia.
The Kumandins are a Turkic indigenous people of Siberia. They reside mainly in the Altai Krai and Altai Republic of the Russian Federation. They speak the Northern Altai Kumandin language.
The Cisuralian is the first series/epoch of the Permian. The Cisuralian was preceded by the Pennsylvanian and followed by the Guadalupian. The Cisuralian Epoch is named after the western slopes of the Ural Mountains in Russia and Kazakhstan and dates between 298.9 ± 0.15 – 272.3 ± 0.5 Mya.
In the geologic timescale, the Artinskian is an age or stage of the Permian. It is a subdivision of the Cisuralian Epoch or Series. The Artinskian likely lasted between 290.1 and 283.5 million years ago (Ma) according to the most recent revision of the International Commission on Stratigraphy (ICS) in 2022. It was preceded by the Sakmarian and followed by the Kungurian.
In the geologic timescale, the Asselian is the earliest geochronologic age or lowermost chronostratigraphic stage of the Permian. It is a subdivision of the Cisuralian Epoch or Series. The Asselian lasted between 298.9 and 293.52 million years ago (Ma). It was preceded by the Gzhelian and followed by the Sakmarian.
In the geologic timescale, the Sakmarian is an age or stage of the Permian. It is a subdivision of the Cisuralian Epoch or Series. The Sakmarian lasted between 293.52 and 290.1 million years ago (Ma). It was preceded by the Asselian and followed by the Artinskian.
Alexandr Pavlovich Rasnitsyn is a Russian entomologist, expert in palaeoentomology, and Honored Scientist of the Russian Federation (2001). His scientific interests are centered on the palaeontology, phylogeny, and taxonomy of hymenopteran insects and insects in general. He has also studied broader biological problems such as evolutionary theory, the principles of phylogenetics, taxonomy, nomenclature, and palaeoecology. He has published over 300 articles and books in several languages. In August 2008 he was awarded the Distinguished Research Medal of the International Society of Hymenopterists.
Northwest Russia, or the Russian North is the northern part of western Russia. It is bounded by Norway, Finland, the Arctic Ocean, the Ural Mountains and the east-flowing part of the Volga. The area is roughly coterminous with the Northwestern Federal District, which it is administered as part of. Historically, it was the area of the Novgorod and Pskov merchant republics.
Tyulkinia is an extinct genus of camptoneuritid insects which existed in what is now Russia during the lower Permian period. It was named by Danil S. Aristov, Sergey Yu. Storozhenko, Cui Yingying in 2010, and the type species is Tyulkinia bashkuevi. It takes its name from Tyulkino, Russia.
The Madygen Formation is a Late Triassic (Carnian) geologic formation and Lagerstätte in the Batken and Osh Regions of western Kyrgyzstan, with minor outcrops in neighboring Tajikistan and Uzbekistan. The conglomerates, sandstones and mudstones of the 560 m (1,840 ft) thick formation were deposited in terrestrial lacustrine, alluvial, fluvial and deltaic environments.
Cucullistriga is an extinct genus of insects in the family Idelinellidae. It existed in what is now Russia during the Kungurian age. It was described by D. S. Aristov and A. P. Rasnitsyn in 2012, and the type species is C. cucullata. The body measured about 11.4 millimetres, while the forewings were about 10.8 millimetres.
Rasstriga is an extinct genus of insects. It existed in what is now Illinois, U.S.A. during the Pennsylvanian subperiod. It was described by D. S. Aristov and A. P. Rasnitsyn in 2012, and the type species is R. americana. Its body measured 22.5 millimetres in length, while its forewings were about 23 millimetres. It is currently placed in the family Idelinellidae, although its placement is uncertain.
Scutistriga is an extinct genus of insects in the family Idelinellidae. It existed in what is now Russia during the Kungurian age. It was described by D. S. Aristov and A. P. Rasnitsyn in 2012, and the type species is S. scutata. The body measured about 10.5 millimetres, while the forewings measured about 12 millimetres, and the hindwings about 10 millimetres. The species' fossils were discovered in the Ural Mountains.
Strigulla is an extinct genus of insects in the family Idelinellidae. It existed in what is now Russia during the Kungurian age. It was described by D. S. Aristov and A. P. Rasnitsyn in 2012, as a new genus for the species Euryptilon cuculiophoris. S. cuculiophoris measured 10 millimetres in body length, with the forewings having about the same measurement.
Permosynidae is a family of Protocoleopteran beetle in the superfamily Permosynoidea. The family lived between the Late Permian and Late Jurassic and lived in Russia and Mongolia. Species that were discovered in 2014 include Artematopodites latissimus, Platycrossos latus, Platycrossos longus, Platycrossos loxonicus, Platycrossos mongolicus, Platycrossos ovum and Dzeregia platis. Species that were discovered in 2015 include Artematopodites lozowskii and Dinoharpalus latus.
Permocupedidae is a family of Protocoleopteran stem group beetles. They first appeared during the Early Permian, and were one of the dominant groups of beetles during the Middle Permian. They became rare in the Late Permian, with only one species known from the Triassic, Frankencupes ultimus from the Middle Triassic (Anisian) Röt Formation of Germany. They are thought to have been xylophagous, which is presumed to be the ancestral ecology of beetles.
Sweetognathus is an extinct genus of conodonts in the family Sweetognathidae that evolved at the beginning of the Permian period, in near-equatorial, shallow-water seas.
The geology of Kazakhstan includes extensive basement rocks from the Precambrian and widespread Paleozoic rocks, as well as sediments formed in rift basins during the Mesozoic.
Geinitzia is an extinct genus of flying insects belonging to the order Reculida and family Geinitziidae. Species belonging to the genus lived from the Permian to the Jurassic and have been found in China, Germany, Kyrgyzstan, the United Kingdom, Japan, and Russia.
Geinitziidae is an extinct family of polyneopteran insects, known from the Permian to Cretaceous. They are currently considered to be members "Grylloblattida" a poorly defined group of extinct insects thought to be related to modern ice crawlers (Grylloblattidae). Other authors place them in the extinct order Reculida. Unlike modern ice crawlers, which are wingless, they had large wings, bearing a superficial resemblance to cockroaches, and are thought to have been day-active above ground predators.
References
- ↑ D. S. Aristov & A. P. Rasnitsyn (2012). "Revision of the family Idelinellidae, with a review of the Permian Eoblattida (Insecta)". Paleontological Journal . 46 (1): 49–60. doi:10.1134/S0031030112010030. S2CID 140189151.
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