ARKHANGELSK REGION
NENETS NATIONAL DISTRICT
KHEI-YAGA 4 LOCALITY
LESTANSHORSKAYA FROMATION
LOWER SUBFORMATION
LATEST OLENEKIAN STAGE (LATEST SPATHIAN STAGE)
LATEST SCYTHIAN EPOCH (LATEST EARLY TRIASSIC EPOCH)
LATEST EARLY TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUPERCOHORT: AVEMETATARSALIA BENTON, 1999
COHORT: PROLACERTIFORMES CAMP, 1945 NOVA
MAGNORDER: PROTOROSAURIA HUXLEY, 1871
SUPERORDER: TAPINOPLATIA PETERS EMEND NOVA
GRANDORDER: CHARACIOPODA PETERS EMEND NOVA
Family: TANYSTROPHEIDAE Geravis, 1858
Gen. sp indet.
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