ENGLAND
DURHAM COUNTY
RAILWAY CUTTING
1 KM SSW OF MIDDRIDGE
MARL SLATE
UFIMIAN STAGE-LOWEST KAZANIAN SUBSTAGE
WORDIAN STAGE
LOWER GUADELUPIAN SUBEPOCH
LOWER ZECHSTEIN EPOCH
LATE PERMIAN
STEM: TETRAPODA GOODRICH, 1930
_____________________________________________________________________________________SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1903
INFRACLASS: NEODIAPSIDA BENTON, 1985
Incertae sedis
*Adelosaurus huxleyi
ENGLAND
DURHAM COUNTY
MIDDERIDGE
MARL SLATE
UFIMIAN-LOWEST KAZANIAN STAGE
LOWER-MIDDLE GUADELUPIAN SUBEPOCH
LOWERMOST ZEICHISTEIN EPOCH
LATE PERMIAN
STEM: TETRAPODA GOODRICH, 1930
_____________________________________________________________________________________SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1903
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: PROTOROSAURIDAE Lydekker, 1888
Protorosaurus speneri
= *Protorosaurus huxleyi
ENGLAND
DURHMA COUNTY
ABOUT 10 KM SE OF DURHMA
QUARRINGTON QUARRY
MARL SLATE
UFIMIAN-LOWEST KAZANIAN STAGE
LOWER-MIDDLE GUADELUPIAN SUBEPOCH
LOWERMOST ZEICHISTEIN EPOCH
LATE PERMIAN
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1903
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: PROTOROSAURIDAE Lydekker, 1888
Protorosaurus speneri
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