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Calops cristatus
Taxonomy
Calops cristatus was named by Marsh (1894). It is the type species of Calops.
It was recombined as Protoceras cristatus by Frick (1937); it was synonymized subjectively with Protoceras celer by Patton and Taylor (1973).
It was recombined as Protoceras cristatus by Frick (1937); it was synonymized subjectively with Protoceras celer by Patton and Taylor (1973).