EASTERN ASIA RUSSIA
RUSSKII ISLAND
NORTHERN SHORELINE OF CAPE ZHITKOV
BED 58
ZHITKOV FORMATION
NEOCOLUMBITES INSIGNIS ZONE
LOWER SPATHIAN STAGE
LATEST SCYTHIAN EPOCH (EARLY TRIASSIC EPOCH)
LATE EARLY TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
INFRACLASS: NEODIAPSIDA BENTON, 1985
NEODIAPSIDA: INCERTAE SEDIS
OR AMNIOTA: INCERTAE SEDIS
MAGANORDER: ICHTHYOPTERYGIA BAUR, 1887 emend nova
Incertae sedis
Genus sp indet.
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EASTERN ASIA RUSSIA
RUSSKII ISLAND
NORTHERN SHORELINE OF CAPE ZHITKOV
BED 60
ZHITKOV FORMATION
NEOCOLUMBITES INSIGNIS ZONE
LOWER SPATHIAN STAGE
LATEST SCYTHIAN EPOCH (EARLY TRIASSIC EPOCH)
LATE EARLY TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
INFRACLASS: NEODIAPSIDA BENTON, 1985
NEODIAPSIDA: INCERTAE SEDIS
OR AMNIOTA: INCERTAE SEDIS
MAGANORDER: ICHTHYOPTERYGIA BAUR, 1887 emend nova
Incertae sedis
Genus sp indet.
_____________________________________________________________________________________
EASTERN ASIA RUSSIA
RUSSKII ISLAND
SOUTHERN PRIMORYE
MIDDLE PART OF THE KARAZIN FORMATION
ACROCHORDICERAS KIPARISOVAE
ZONE
MIDDLE ANISIAN STAGE
LOWER MID TRIASSIC EPOCH
EARLY MIDDLE TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1904
INFRACLASS: NEODIAPSIDA BENTON, 1985
NEODIAPSIDA: INCERTAE SEDIS
OR AMNIOTA: INCERTAE SEDIS
MAGANORDER: ICHTHYOPTERYGIA BAUR, 1887 emend nova
SUPERORDER: EOICHTHYOSAURIA MOTANI, 1999
GRANDORDER: ICHTHYOSAURIA EMEND BLAINVILLE, 1835
MICRORDER: HUENEOSAURIA MAISCH & MATZKE, 2000
ORDER: MIXOSAUROIDEA (BAUR, 1887)
Family: MIXOSAURIDAE Baur, 1887
Subfamily: MIXOSAURINAE Baur, 1887 nom. Transl. Ex MIXOSAURIDAE
Tholodus cf schmidi
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RUSSKIY ISLAND
SOUTHERNMARITIME PROVINCE
USSURI BAY NEAR VLADIVOSTOCK
ZONE V/VI
OLENEKIAN STAGE
UPPER SCYTHIAN EPOCH
LATE TRIASSIC
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: TREMATOSAURIA PIVETEAU, 1955
Superfamily: TREMATOSAUROIDEA Watson, 1919 (sensu Save-Soderbergh, 1935)
Family: BENTHOSUCHIDAE Efremov, 1931
Subfamily: BENTHOSUCHINAE Efremov, 1931 (sensu Efremov, 1937)