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Taxonomy
Chione (Chione) angelana was named by Spieker (1922) [DISTRIBUTION: Miocene; Peru.]. It is not a trace fossil.
It was recombined as Chione (Chionopsis) angelana by Perrilliat (1992).
It was recombined as Chione (Chionopsis) angelana by Perrilliat (1992).
Sister species lacking formal opinion data