The Río Banano Formation is a geologic formation in Costa Rica of the Limón Group. It preserves fossils dating back to the Middle Miocene to Piacenzian period.Río Banano Formation at Fossilworks.org
Fossil content Aphera bananensisLandau et al., 2012 Isopisthus acerAguilera et al., 2016 PacuarescarusLaurito et al., 2014
See also List of fossiliferous stratigraphic units in Costa Rica
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