There are 2 matches

Collection Authorizer Collection name Reference
8719A. Miller Arenig San Juan Formation, Gualcamayo, Huaco, Los Gatos, Portrerillo, Portezuelo Arenig - Ordovician 2 - Argentina Vaccari et al. (1986)
8721A. Miller Arenig section of San Juan Fm., Quebrada Ancha and Talacasto, Argentina Arenig - Ordovician 2 - Argentina Sanchez and Waisfeld (1995)

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