S
WSerravalle Langhe
WAnguilla FormationA
WAyacara Formation
WBaitoa FormationB
WCastilletes Formation
WCollón Curá FormationC
WCucaracha Formation
WEl Mamey FormationD
WElko Formation
WHonda Group, ColombiaE
WLate Cenozoic Ice Age
WTamana FormationF
WViche Formation
WWeissenegg Formation