Fossiliferous stratigraphic units in Central America
This page lists the fossiliferous stratigraphic units in Central America .
This page lists the fossiliferous stratigraphic units in Central America .
| Group | Formation | Period | Notes |
|---|---|---|---|
| Ambergris Cay Limestone | Late Pleistocene | [1] | |
| Group | Formation | Period | Notes |
|---|---|---|---|
| Cuscatlán Formation | Blancan-Irvingtonian | [2] | |
Herreria Formation 
Campur Formation 
Ixcoy Formation 
Chocal Formation | Group | Formation | Period | Notes |
|---|---|---|---|
| Herreria Formation | Miocene | [3] | |
| Campur Formation | Turonian-Maastrichtian | [4] | |
| Ixcoy Formation | Aptian-Maastrichtian | [5] | |
| Santa Rosa Group | Chocal Formation | Artinskian-Kungurian | [6] |
Gracias Formation Esquias Formation 
Valle de Ángeles Redbeds Cantarranas Formation 
Agua Fría Formation 
El Plan Formation 
Las Sierras Formation 
El Salto Formation 
Brito Formation | Group | Formation | Period | Notes |
|---|---|---|---|
| Las Sierras Formation | Pleistocene | [13] | |
| El Salto Formation | Early Pliocene | [14] | |
| Brito Formation | Late Eocene | [15] | |
Charco Azul Group Limón Group Curré Formation 
Oligocene Paleocene-Eocene 
Charco Azul Group Bocas del Toro Group 
Chagres Formation Culebra Formation 
Tuira Formation Gatún Formation Gatuncillo Formation Tonosí Formation The Valle de Ángeles Redbeds (Kva) is a Late Albian to Early Cenomanian geologic formation of the in western Honduras. Dinosaur remains are among the fossils that have been recovered from the formation, although none have yet been referred to a specific genus.
The Agua Nueva Formation is a geologic formation in Mexico. It preserves fossils dating back to the upper part of the Cenomanian stage of the Cretaceous period. It consists "predominantly of alternating fossiliferous, organic matter-rich, laminated, dark gray limestone and non-laminated, organic matter-poor limestone in decimeter-thick beds with occasional centimetric beds of brown shale that show no apparent internal structures." The formation is noted for its qualities as a Konservat-Lagerstätte, with notable finds including the plesiosaur Mauriciosaurus and shark Aquilolamna.
Charco Azul Formation is a geologic formation of the Charco Azul Group in western Panama and southeastern Costa Rica. It preserves gastropod fossils dating back to the Pliocene period.
The Armuelles Formation is a geologic formation in Costa Rica and Panama. It preserves fossils.
The Charco Azul Group is a geologic group in southeastern Costa Rica and western Panama. The group comprises the Armuelles, Penita and Charco Azul Formations and preserves fossils.
The Valle de Ángeles Group is a geologic group in Honduras. It preserves fossils such as ornithopod and iguanodontid dinosaurs dating back to the Late Albian to Early Turonian stages of the Cretaceous period.
The Bocas del Toro Group is a geologic group in Panama. It preserves fossils dating back to the Serravallian to Early Pleistocene period. The group comprises the Swan Cay, Isla Colón, Escudo de Veraguas, Cayo Agua, Shark Hole Point, Nancy Point and Valiente Formations.
The Jama Formation is a Pliocene to Early Pleistocene geological formation in Ecuador. The claystones and sandstones were deposited in a coastal environment. The age of the Jama Formation is constrained by 40Ar/39Ar dating of tephra beds. The formation is correlated to the Charco Azul Formation of western Panama and southeastern Costa Rica.
The Canoa Formation is a Piacenzian to Calabrian geologic formation in Ecuador. The sandstones were deposited in a coastal environment. The formation is correlated to the Charco Azul Formation of western Panama and southeastern Costa Rica.
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