JAPAN

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.