There are 2 matches

Collection Authorizer Collection name Reference
302J. Sepkoski Peraspis fauna, Road River Fm., Llanvirn Llanvirn - Ordovician 3 - Canada Ludvigsen (1981)
316J. Sepkoski Cnemidopyge fauna, Road River Fm., Llandeilo-early Caradoc Llandeilo/Caradoc - Canada Ludvigsen (1981)

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