SOUTHERN UNITED KINGDOM

ENGLAND

BEDFORDSHIRE COUNTY

TOTTENHOE

TOTTERNHOE LIMESTONE QUARRY

TOTTERNHOE STONE

GREY CHALK

LOWER CHALK

MIDDLE CENOMANIAN STAGE

UPPER GALLIC SUBEPOCH

LOWEST GULF EPOCH

EARLY MIDDLE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: MAMMALIA LINNAEUS, 1758

SUBCLASS: PROTOTHERIA GILL, 1872

INFRACLASS: TRICONODONTA OSBORN, 1888

ORDER: TRICONODONTIA OSBORN, 1888

Family: AMPHILESTIDAE Osborn, 1888

Gen. sp indet.

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