Argentina
The following genera were reocgnized: Piloceras sp: cf Oelandoceras sp: Protocycloceras sp. cf Anaspiroceras sp; Cyptendoceras sp; Robsonocers sp; cf Angelinoceras sp; Curtoceras kayseri nov. sp. y Barnesoceras stelzneri nov. sp.
Stratigraphycally this fauna results from the upper strata of San Juan Formation; this association indicates a possible lower Ordovician age.
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