Sabana Grande Formation

{{confuse|Sabana Formation}}

{{Infobox rockunit

| name = Sabana Grande Formation

| image =

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| type = Formation

| age = Late Campanian

| period = Campanian

| prilithology = Conglomerate

| otherlithology = Limestone

| namedfor =

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| region = Caribbean

| country = Puerto Rico

| coordinates = {{coord|18.1|N|67.1|W|display=inline,title}}

| paleocoordinates = {{coord|15.8|N|58.4|W|display=inline}}

| unitof =

| subunits =

| underlies =

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| map = {{Location map+ | Puerto Rico

| relief = 1

| width = 250

| float = center

| places =

{{Location map~ | Puerto Rico

| lat_deg = 18.1

| lon_deg = -67.1

| mark = Lightgreen pog.svg

| marksize = 12

}}

}}

| map_caption =

}}

The Sabana Grande Formation is a geologic formation in western Puerto Rico. The conglomerates and limestones of the formation preserve gastropod fossils of Trochactaeon woodsi dating back to the Late Campanian period.[https://paleobiodb.org/classic/displayCollResults?collection_no=66833 Sabana Grande Formation] at Fossilworks.org