There are 2 matches

Collection Authorizer Collection name Reference
99453R. Butler N slopes, Etjo Mtn, btwn lower + middle arenaceous layers (coll. Keyser) Anisian - Triassic 2 - Namibia Keyser (1973)
99490R. Butler Omingonde 96, OM-1 Anisian/Ladinian - Triassic 2 - Namibia Smith and Swart (2002)

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