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Glaphyrites excelsus
Taxonomy
Goniatites excelsus was named by Meek (1876).
It was recombined as Gastrioceras excelsum by Smith (1903); it was recombined as Glaphyrites excelsus by Ruzhentsev and Bogoslovskaya (1971).
It was recombined as Gastrioceras excelsum by Smith (1903); it was recombined as Glaphyrites excelsus by Ruzhentsev and Bogoslovskaya (1971).
Sister species lacking formal opinion data