There are 2 matches

Collection Authorizer Collection name Reference
41584A. Hendy USGS 17698, Ishigaki-shima - MacNeil (1964) (= Is-DF-25-48) Middle Eocene - Japan MacNeil (1964)
41585A. Hendy USGS D366, Ishigaki-shima - MacNeil (1964) (= Is-DF-27-55) Middle Eocene - Japan MacNeil (1964)

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