Tonosí Formation

{{Infobox rockunit

| name = Tonosí Formation

| image =

| caption =

| type = Formation

| age = Priabonian (Chadronian)
~{{fossil range|38|34}}

| period = Priabonian

| prilithology = Sandstone

| otherlithology =

| namedfor = Tonosí

| namedby =

| region = Los Santos Province

| country = Panama

| coordinates = {{coord|7.4|N|80.4|W|display=inline,title}}

| paleocoordinates = {{coord|0.8|N|104.2|W|display=inline}}

| unitof =

| subunits =

| underlies =

| overlies =

| thickness =

| extent =

| area =

| map = {{Location map+ | Panama

| relief = 1

| width = 250

| float = center

| places =

{{Location map~ | Panama

| lat_deg = 7.4

| lon_deg = -80.4

| mark = Orange pog.svg

| marksize = 12

}}

}}

| map_caption =

}}

The Tonosí Formation is a geologic formation in Panama. It preserves fossils dating back to the Paleogene period (Priabonian).[https://paleobiodb.org/classic/displayStrata?geological_group=&formation=Tonos%ED&group_formation_member=Tonos%ED Tonosí Formation] at Fossilworks.org