WList of fossiliferous stratigraphic units in Central AmericaWAlajuela FormationWBocas del Toro GroupWBohío FormationWCaimito FormationWCaraba FormationWChagres FormationWCharco Azul FormationWCucaracha FormationWCulebra FormationWEscudo de Veraguas FormationWGatún FormationWGatuncillo FormationWIsla Colón FormationWMount Hope FormationWNancy Point FormationWOld Bank FormationWPanama FormationWShark Hole Point FormationWTobabe FormationWTonosí FormationWTuira FormationWUrraca FormationWValiente Formation