Genus: Macroleter TVERDOCHLEBOVA & IVACHNENKO, 1984
Etymology:
= Tokosaurus TVERDOCHLEBOVA & IVACHNENKO, 1984
Etymology:
Species: poezicus TVERDOCHLEBOVA & IVACHNENKO, 1984
Etymology:
Holotype: PIN 3586/1
Locality: Lower Mezen' River area, Arkhangel'sk region, European Russia.
Horizon:
Biostratigraphy: Zone III.
Age: Lower Tatarian Age, Lopingian Subepoch, upper Zechstein Epoch, Late Permian.
Material: Skull and fragmentary skeleton.
Referred material:
2 jaw fragments.
TSUJI, 2006
PIN 4543/3: Mostly complete skull and postcranial material.
PIN uncatalogued: Immature specimen, complete skull and postcranial material.
UTM/Mezen/2001/1: Large skull, some postcranial skeleton.
UTM/Mezen/2001/2: Skull and postcranial material anterior to pelvic girdle.
TSUJL, MÜLLER & REISZ, 2012
UTM/Mezen/2001/3: Skull and postcranial material anterior to pelvic girdle.
IVAKHNENKO, 2008b
Locality: Glyadnaya Shchel’ya locality, Mezenskii District, Arkhangelsk Region, European Russia.
Horizon: Krasnoshchel’ya Formation, Urzhumian Horizon.
Biostratigraphy: Mezen Faunal Assemblage.
Age: Lower Tatarian Age, Capitanian Stage, Middle Zechstein Epoch, Late Middle Permian.
Material:
Numbers: Not given.
Locality: Ust’Peza (Ust-Pyoza), Arkhangelsk Region, Mezenskii (Mezen) District, Arkhangel'sk Region, Russia.
Horizon: Biarmin Series, Urzhumina Stage, Urzhumian Horizon, Upper Kimzha beds.
Biostratigraphy: Mezen Faunal Assemblage.
Age: Lower Tatarian Age, Capitanian Stage, Middle Zechstein Epoch, Late Middle Permian.
Material:
Numbers: Not given:
Locality: Peza-1 (Pyoza-1), Peza River, right tributary of Mezen' River, Arkhangelska Region, Mezenskii (Mezen) District, European Russia.
Horizon: Biarmian Series, Upper Kimzha beds, Urzhumian Stage, Urzhumian Horizon.
Biostratigraphy: Mezen Faunal Assemblage.
Age: Lower Tatarian Age, Lopingian Subepoch, upper Zechstein Epoch, Late Permian.
Material:
Numbers: Not given:
Locality: Ust’-Nyafta settlement, right tributary of Mezen' River, Peza River, Arkhangel'sk Region, European Russia.
Horizon: Leshukonsk Member, Krasnoschelsk Formation, Biarmian Series, Upper Kimzha beds, Urzhumian Stage, Upper Urzhumian Horizon.
Biostratigraphy: Mezen Faunal Assemblage.
Age: Lower Tatarian Age, Capitanian Stage, Upper Guadelupian Stage, Middle Zechstein Epoch, Late Middle Permian.
Material:
Numbers: Not given:
Locality: Ust-Vashka Locality, Leshukonskii District, Arkhangelsk Region, European Russia.
Horizon: Krasnoshchel’ya Formation, Biarmian Series, Urzhumian Stage, Urzhumian Horizon.
Biostratigraphy: Mezen Faunal Assemblage.
Age: Lower Tatarian Age, Capitanian Stage, Middle Zechstein Epoch, Late Middle Permian.
Material:
Number: Not given:
Locality: Nyisagora locality, 4543/n, on the Mezen River, near the juction with the Vashka River, Leshukonskii District, Arkhangelsk Region, European Russia.
Horizon: Biarmian Series, Urzhumian Stage, Urzhumian Horizon, Zone II.
Biostratigraphy: Mezen Faunal Assemblage.
Age: Earliest early Tatarian Age, Guadelupian Stage, Middle Zeichstein Epoch, Middle Permian.
Material:
Number: Not given:
Locality: Belukur’e locality, Mezenskii District, Arkhangelsk Region, European Russia.
Horizon: Biarmian Series, Krasnoshchel’ya Formation, Urzhumian Stage, Urzhumian Horizon.
Biostratigraphy: Mezen Faunal Assemblage.
Age: Lower Tatarian Age, Capitanian Stage, Middle Zechstein Epoch, Late Middle Permian.
Material:
Number: Not given:
Locality: Kosmogorodsko'e Locality, Mezenskii District, Arkhangelsk Region, European Russia.
Horizon: Biarmian Series, Urzhumian Stage, Urzhumian Horizon.
Biostratigraphy: Mezen Faunal Assemblage.
Age: Lower Tatarian Age, Capitanian Stage, Middle Zechstein Epoch, Late Middle Permian.
Material:
Number: Not given:
Locality: Dorogaya Gora Locality, Mezenskii District, Arkhangelsk Region, European Russia.
Horizon: Biarmian Series, Urzhumian Stage, Urzhumian Horizon.
Biostratigraphy: Mezen Faunal Assemblage.
Age: Lower Tatarian Age, Capitanian Stage, Middle Zechstein Epoch, Late Middle Permian.
Material:
Number: Not given:
= Tokosaurus perforatus TVERDOCHLEBOVA & IVACHNENKO, 1984
Etymology:Holotype: SGU 104B/2004
Locality: Krymskii, 1.2 km NE of Krymskii village, right bank of Molochai Stream, Samara Drainage Basin, South Ural, Orenburg Region, European Russia.
Horizon: Beleby Svita.
Biostratigraphy:
Age: Late Kazanian substage, Late Tatarian age, Guadelupian Stage, Middle Zeichstein Epoch, Middle Permian.
Material: Skull.
_____________________________________________________________________________________
Species: agilis (OLSON, 1980) REISZ & LAURIN, 2001
Etymology: Latin, agilis, "agile."
= Seymouria agilis OLSON, 1980
Holotype: UCMP 143 277 (Old UCLA VP 5329?)
Locality: Locality BC-8, (OLSON, 1965), about 3 miles north of Hitchcock, Blaine County, Oklahoma.
Horizon: Chickasha Formation.
Biostratigraphy:
Age: Guadalupian Stage, Lower Zechstein Epoch, Early Late Permian.
Material: Fragmentary skeleton, lower jaws and fragmentary skeleton.