S
WBuena Vista Formation
WCandelária Formation, Paraná BasinA
WCaturrita Formation
WChoiyoi GroupB
WEl Tranquilo Group
WLaguna Colorada FormationC
WLos Rastros Formation
WPaso Flores FormationD
WQuebrada del Barro Formation
WRío Seco de la Quebrada FormationE
WSanga do Cabral Formation
WSanta Juana FormationF
WTalampaya Formation
WTarjados Formation