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 (the latest or uppermost subdivision in the Carboniferous) and followed by the Sakmarian.
^"Chart/Time Scale". www.stratigraphy.org. International Commission on Stratigraphy.
^Davydov, Vladimir; Glenister, Brian; Spinosa, Claude; Ritter, Scott; Chernykh, V.; Wardlaw, B.; Snyder, W. (March 1998). "Proposal of Aidaralash as Global Stratotype Section and Point (GSSP) for base of the Permian System" (PDF). Episodes. 21: 11–18. doi:10.18814/epiiugs/1998/v21i1/003. Retrieved 7 December 2020.
^Shen, Shuzhong (August 2018). "Notes from the SPS Chair" (PDF). Permophile: 4. ISSN 1684-5927. Retrieved 12 December 2020.
In the geologic timescale, the Asselian is the earliest geochronologic age or lowermost chronostratigraphic stage of the Permian. It is a subdivision of...
extend back to the earliest fossil record of beetles in the Early Permian (Asselian), around 295-300 million years ago. Woodboring beetles most often attack...
geological formation in north-central Texas, preserving fossils from the Asselian and early Sakmarian stages of the Permian period. It is the earliest component...
Kazakhstan. The name was proposed by J. B. Waterhouse in 1982 to comprise the Asselian, Sakmarian, and Artinskian stages. The Kungurian was later added to conform...
bounonensis. Uralocyclus Gen. et comb. nov Valid Mychko & Alekseev Permian (Asselian) Russia A member of Cyclida. Genus includes "Cyclus" miloradovitchi Kramarenko...
thistle. The oldest known beetle is Coleopsis, from the earliest Permian (Asselian) of Germany, around 295 million years ago. Early beetles from the Permian...
1931: Roadian of Russia (Crimea) Prostacheoceras chinense Wang, 1983: Asselian - Wordian of China (Xinjiang). Nomen nudum, as it is based only on fragmentary...
North America, the Cisuralian encompasses two series: the Wolfcampian (Asselian to mid-Artinskian) and Leonardian (mid-Artinskian to Kungurian). The series...
parareptiles known from the latest Carboniferous (Gzhelian) or earliest Permian (Asselian) to the early Guadalupian epoch (latest Roadian stage) of North America...
Bashkortostan is also rich in springs that provide drinking water. The Asselian Age at the start of the Permian Period of geological time is named after...
Cottonwood Creek site, from the Archer City Formation, Texas, dating to the Asselian stage of the Cisuralian epoch, about 299–294.6 million years ago. A second...
that the diversification of the studied synapsids slowed down around the Asselian/Sakmarian transition but no evidence of a late Sakmarian or Artinskian...
between 293.52 and 290.1 million years ago (Ma). It was preceded by the Asselian and followed by the Artinskian. The Sakmarian Stage is named after the...
They are the oldest known thrips family and they existed between the Asselian epoch of the Early Permian and the Toarcian epoch of the Early Jurassic...
representative of the group in the fossil record is probably Trichopitys from the Asselian (299-293 million years ago) of France. The earliest representatives of...
affected by this event; their diversification slowed down later, around the Asselian/Sakmarian boundary, in the early Cisuralian (Early Permian), about 293...
Dimetrodon Temporal range: Cisuralian to Guadalupian (Asselian to Roadian), 295–270 Ma PreꞒ Ꞓ O S D C P T J K Pg N Skeleton of D. limbatus, Staatliches...
likely oldest record being that of Trichopitys from the earliest Permian (Asselian) of France, over 290 million years old. The closest living relatives of...
Fort Riley Limestone Stratigraphic range: Asselian PreꞒ Ꞓ O S D C P T J K Pg N (Gearyan stage) Fort Riley Limestone, J Hill Road, Geary County, Kansas...
oldest member of Coleorrhyncha is Permoridium from the early Permian (Asselian to early Sakmarian ~290-300 million years ago) of Germany, which appears...
extinct genus of basal sphenacodonts known from the Early Permian period (Asselian stage) of Saxony, Germany. It contains a single species, Pantelosaurus...
Gigantopterids Temporal range: Asselian–Late Permian PreꞒ Ꞓ O S D C P T J K Pg N Scientific classification Kingdom: Plantae Clade: Tracheophytes Clade:...
extinct family of basal sphenacodonts known from the Early Permian period (Asselian-Sakmarian stages) of Saxony, Germany. Two genera are known: Palaeohatteria...
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