Isla Colón Formation
Stratigraphic range: Early Pleistocene
Type	Formation
Unit of	Bocas del Toro Group
Sub-units	Ground Creek & La Gruta Members
Lithology
Primary	Limestone
Other	Sandstone
Location
Coordinates	9°18′N 82°06′W / 9.3°N 82.1°W / 9.3; -82.1
Approximate paleocoordinates	9°12′N 81°48′W / 9.2°N 81.8°W / 9.2; -81.8
Region	Bocas del Toro
Country	Panama
Type section
Named for	Colón Island
Isla Colón Formation (Panama)

The Isla Colón Formation is an Early Pleistocene geologic formation in the Bocas del Toro Province of northwestern Panama. It preserves coral fossils. The formation, part of the Bocas del Toro Group, comprises limestones and sandstones deposited in a reefal environment.^[1][2]

• Isophyllia maoensis^[3]

• List of fossiliferous stratigraphic units in Panama

• Ann F. Budd; James D. Woodell; Danwei Huang; James S. Klaus (2019). "Evolution of the Caribbean subfamily Mussinae (Anthozoa: Scleractinia: Faviidae): transitions between solitary and colonial forms". Journal of Systematic Palaeontology. 17 (18): 1581–1616. Bibcode:2019JSPal..17.1581B. doi:10.1080/14772019.2018.1541932. S2CID 92225764.

• A. F. Budd, K. G. Johnson, T. A. Stemann and B. H. Tompkins. 1999. Pliocene to Pleistocene reef coral assemblages in the Limon Group of Costa Rica. Bulletins of American Paleontology 357:119-158