Classification of Egerton 1854

G. †Asteracanthus Agassiz 1836
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†Asteracanthus papillosus Egerton 1854
G. †Aspidorhynchus Agassiz 1833
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†Aspidorhynchus fisheri Egerton 1854
G. †Pholidophorus Agassiz 1832
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†Pholidophorus higginsi Egerton 1854
†Pholidophorus nitidus Egerton 1854