S
WBogotá Formation
WCerrejón FormationA
WChota Formation
WGuaduas FormationB
WJagüel Formation
WLebu GroupC
WLefipán Formation
WMalargüe GroupD
WMaria Farinha Formation
WMealla FormationE
WRío Loro Formation
WRoca Formation, ArgentinaF
WSanta Lucía Formation
WYacoraite Formation