There are 2 matches

Collection Authorizer Collection name Reference
8744A. Miller Lower Arenig section of San Juan Fm., Huaco anticline, Rio Gualcamayo, Cerro Vie Arenig - Ordovician 2 - Argentina Keller et al. (1994)
8751A. Miller Upper Arenig bioherm in San Juan Fm., Niquivil, Argentina Arenig - Ordovician 2 - Argentina Lehnert and Keller (1993)

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