UDMURTIA REPUBLIC
VOTKINSKII DISTRICT
VILLAGE OF SIDOROVY GORY
SIDOROVY GORY LOCALITY
BELEBEI FORMATION
OCHER FAUNAL ASSEMBLAGE
GOLYUSHERMA FAUNAL SUBASSEMBLAGE
KAZANIAN SUBSTAGE
CAPITANIAN STAGE
UPPER GUADELUPIAN SUBEPOCH
MIDDLE ZECHSTEIN EPOCH
LATE MIDDLE PERMIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: AMPHIBIA LINNAEUS, 1758
SUBCLASS: LABYRINTHODONTIA OWEN, 1860
SUPERORDER: TEMNOSPONDYLIA ZITTEL, 1887
MICROORDER: LIMNARCHIA YATES & WARREN, 2000
ORDER: STEREOSPONDYLOMORPHA YATES & WARREN, 2000
SUBORDER: ARCHEGOSAURIFORMES SCHOCH & MILNER, 2000
SUPERFAMILY: ARCHEGOSAUROIDEA MEYER, 1857 (SENSU EFREMOV, 1932)
Family: MELOSAURIDAE Fritsch, 1885
Subfamily: MELOSAURINAE Fritsch, 1885
Melosaurus sp
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: SYNAPSIDA OSBORN, 1903
INFRACLASS DINOMORPHA IVAKNENKO, 2008
SUPERORDER: GORGONTIA IVAKNENKO, 2008
ORDER: GORGONOPSIA SEELEY, 1895
SUBORDER: GORGONOPIA SEELEY, 1895
Superfamily: RUBIDGEOIDEA Broom, 1938
Family: PHTHINOSUCHIDAE Efremov, 1954
*Kamagorgon ulanovi