The Armuelles Formation is a geologic formation in Costa Rica and Panama. It preserves fossils.

Fossil content

  • Axelella nutrita - Panama

See also

Bibliography

  • Bernard Landau; Richard E. Petit; Walter Etter; Carlos M. da Silva (2012). "New species and records of Cancellariinae (Caenogastropoda) from tropical America, together with a catalogue of Neogene to Recent species from this region". Cainozoic Research. 9 (2): 193–279.