There are 2 matches

Collection Authorizer Collection name Reference
71274J. Alroy Pintado (= Pintado-Urumbeba, Cuareim River; Piedra Pintada) Lujanian - Cenozoic 6 - Uruguay Ubilla and Alberdi (1990)
140159C. Jaramillo Sopas Creek (= Arroyo Sopas; Paso Muñoz bridge) Lujanian - Cenozoic 6 - Uruguay Prevosti et al. (2009)

Do another search