NORTHERN EUROPEAN RUSSIA
VOLOGDA REGION
VAKHNYEVO
1A, BY THE MILL
ZONE V
EARLY OLENEKIAN
VETLUGA STAGE
UPPER NAMMALIAN-SPATHIAN STAGE
UPPER SCYTHIAN EPOCH
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
Superfamily; PROTOROSAUROIDEA Lydekker, 1888 (sensu Kuhn, 1969)
Family: PROLACERTIDAE Parrington, 1935
Microcnemus efremovi
= *Chasmatosuchus? parvusMAGNORDER: PROTEROSUCHIFORMES nova
ORDER: PROTEROSUCHIA BROOM, 1906
Family: PROTEROSUCHIDAE Huene, 1914
Chasmatosuchus sp
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NORTHERN EUROPEAN RUSSIA
VOLOGDA REGION
RIGHT BANK OF R. SHARZHENGA
VAKHNEYEVO
1B, JUNCTION OF R. MEDVESTYA
RYBINSKIAN GORIZONT
ZONE V
EARLY OLENEKIAN
VETLUGA STAGE
UPPER NAMMALIAN-SPATHIAN STAGE
UPPER SCYTHIAN EPOCH
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: PROTEROSUCHIFORMES nova
ORDER: PROTEROSUCHIA BROOM, 1906
Family: PROTEROSUCHIDAE Huene, 1914
*Chasmatosuchus rossicus
_____________________________________________________________________________________
EUROPEAN RUSSIA
VOLOGDA REGION
KUDRION ON R. YUG
2
ZONE V
EARLY OLENEKIAN
VETLUGA STAGE
UPPER NAMMALIAN-SPATHIAN STAGE
UPPER SCYTHIAN EPOCH
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: PROTEROSUCHIFORMES nova
ORDER: PROTEROSUCHIA BROOM, 1906
Family: PROTEROSUCHIDAE Huene, 1914
Chasmatosuchus rossicus
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