The Mammaliferous Crag Formation is a geologic formation in England. It preserves fossils. It is located in Norfolk and extending into Suffolk, primarily around Norwich, with sections in Bramerton and Postwick with Witton.
See also
List of fossiliferous stratigraphic units in England
References
Wood, Searles V., A monograph of the Crag Mollusca : with descriptions of shells from the upper Tertiaries of the British Isles. Vol. 1. 2 vols., n.d.