The Ambergris Caye Limestone is a geologic formation in Belize. It preserves fossils dated to the Late Pleistocene age.Ambergris Limestone at Fossilworks.org
See also List of fossiliferous stratigraphic units in Belize
References
Further reading S. J. Mazzullo. 2006. Late Pliocene to Holocene platform evolution in northern Belize, and comparison with coeval deposits in southern Belize and the Bahamas. Sedimentology 53:1015-1047