SHIKOKU ISLAND
TOKUSHIMA PREFECTURE
KATSU-URA-CHO
TAZUKAWA FORMATION
MONOBE GROUP
LATE HAUTERVIAN STAGE
UPPER NEOCOMIAN SUBEPOCH TO BARREMIAN STAGE
LOWER GALLIC SUBEPOCH
MIDDLE EARLY CRETACEOUS
EARLY CRETACEOUS
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: REPTILIA LAURENTI, 1768
SUBCLASS: DIAPSIDA OSBORN, 1903
SUPERLEGION: NEODIAPSIDA BENTON, 1985
LEGION: ARCHOSAUROMORPHA HUENE, 1946
SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985
INFRALEGION: DINOSAURIFORMES NOVAS, 1992
SUPERCOHORT: DINOSAURIA OWEN, 1842
COHORT: ORNITHISCHIFORMES COOPER, 1985
MAGNORDER: ORNITHISCHIA SEELEY, 1888
SUPERORDER: NEORNITHISCHIA COOPER, 1985
GRANDORDER: ORNITHOPODA MARSH, 1871
MICRORDER: EUORNITHOPODA SERENO, 1986
ORDER: IGUANODONTIA DOLLO, 1888
INFRAORDER: STYRACOSTERNA SERENO, 1986
PARVORDER: HADROSAURIFORMES SERENO, 1997
Superfamily: IGUANODONTIDEA Cope, 1869 (sensu Sereno, 1986)
Family: IGUANODONTIDAE Cope, 1869
Gen. sp indet.