There are 2 matches

Collection Authorizer Collection name Reference
8704A. Miller Late Tremadoc Bioherm at San Juan Fm., Cerro la Silla and Jachal (= Reef 2456) Tremadoc - Ordovician 1 - Argentina Canas and Carrera (1993)
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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