Classification of the subgenus Primaspis (Primaspis)
Subg. †Primaspis (Primaspis) Richter and Richter 1917
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†Primaspis (Primaspis) bucculenta McNamara 1979
†Primaspis (Primaspis) primordialis Barrande 1846
Classification of the subgenus Primaspis (Primaspis)