MEZEN’ RIVER BASIN
PIZHAM-MEZENSKAYA RIVER
OUTCROP 3
PIZHMA-MEZENSKAYA FORMATION
SLUDKA HORIZON
VETLUGA SUPERHORIZON
EARLY OLENEKIAN
UPPER NAMMALIAN STAGE
MIDDLE 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
Tsylmosuchus jakovlevi
EUROPEAN RUSSIA
MEZEN’ RIVER BASIN
PIZHAM-MEZENSKAYA RIVER
OUTCROP 015-4
PIZHMA-MEZENSKAYA FORMATION
SLUDKA HORIZON
VETLUGA SUPERHORIZON
EARLY OLENEKIAN
UPPER NAMMALIAN STAGE
MIDDLE 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
Tsylmosuchus jakovlevi
EUROPEAN RUSSIA
MEZEN’ RIVER BASIN
PIZHAM-MEZENSKAYA RIVER
OUTCROP 43-8
PIZHMA-MEZENSKAYA FORMATION
SLUDKA HORIZON
VETLUGA SUPERHORIZON
EARLY OLENEKIAN
UPPER NAMMALIAN STAGE
MIDDLE 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
Tsylmosuchus jakovlevi
EUROPEAN RUSSIA
MEZEN’ RIVER BASIN
PIZHAM-MEZENSKAYA RIVER
OUTCROP 43-9
PIZHMA-MEZENSKAYA FORMATION
SLUDKA HORIZON
VETLUGA SUPERHORIZON
EARLY OLENEKIAN
UPPER NAMMALIAN STAGE
MIDDLE 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
Tsylmosuchus jakovlevi
EUROPEAN RUSSIA
MEZEN’ RIVER BASIN
PIZHAM-MEZENSKAYA RIVER
OUTCROP 43-10
PIZHMA-MEZENSKAYA FORMATION
SLUDKA HORIZON
VETLUGA SUPERHORIZON
EARLY OLENEKIAN
UPPER NAMMALIAN STAGE
MIDDLE 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
Tsylmosuchus jakovlevi
EUROPEAN RUSSIA
MEZEN’ RIVER BASIN
PIZHAM-MEZENSKAYA RIVER
OUTCROP 43-12
PIZHMA-MEZENSKAYA FORMATION
SLUDKA HORIZON
VETLUGA SUPERHORIZON
EARLY OLENEKIAN
UPPER NAMMALIAN STAGE
MIDDLE 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
Tsylmosuchus jakovlevi
EUROPEAN RUSSIA
MEZEN’ RIVER BASIN
PIZHAM-MEZENSKAYA RIVER
PIZHMA-MEZENSKAYA FORMATION
SLUDKA HORIZON
VETLUGA SUPERHORIZON
EARLY OLENEKIAN
UPPER NAMMALIAN STAGE
MIDDLE 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
Tsylmosuchus jakovlevi
EUROPEAN RUSSIA
MEZEN’ RIVER BASIN
VYBOR II LOCALITY
PIZHMA-MEZENSKAYA FORMATION
SLUDKA HORIZON
VETLUGA SUPERHORIZON
EARLY OLENEKIAN
UPPER NAMMALIAN STAGE
MIDDLE 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
Tsylmosuchus jakovlevi
EUROPEAN RUSSIA
MEZEN’ RIVER BASIN
OUTCROP 7A-5
PIZHMA-MEZENSKAYA FORMATION
SLUDKA HORIZON
VETLUGA SUPERHORIZON
EARLY OLENEKIAN
UPPER NAMMALIAN STAGE
MIDDLE 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
Tsylmosuchus jakovlevi
EUROPEAN RUSSIA
MEZEN’ RIVER BASIN
RODOMA I LOCALITY
PIZHMA-MEZENSKAYA FORMATION
SLUDKA HORIZON
VETLUGA SUPERHORIZON
EARLY OLENEKIAN
UPPER NAMMALIAN STAGE
MIDDLE 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
Tsylmosuchus jakovlevi
EUROPEAN RUSSIA
MEZEN’ RIVER BASIN
OUTCROP 1
NIZ/MA RIVER
PIZHMA-MEZENSKAYA FORMATION
SLUDKA HORIZON
VETLUGA SUPERHORIZON
EARLY OLENEKIAN
UPPER NAMMALIAN STAGE
MIDDLE 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
Tsylmosuchus jakovlevi
EUROPEAN RUSSIA
MEZEN’ RIVER BASIN
VELIKIY CREEK
PIZHMA-MEZENSKAYA FORMATION
SLUDKA HORIZON
VETLUGA SUPERHORIZON
EARLY OLENEKIAN
UPPER NAMMALIAN STAGE
MIDDLE 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
Tsylmosuchus jakovlevi