Subject ASC0003yur

The geologist : a popular monthly magazine of geology.
v.4 (1861), Page 137 (1861)
American Museum of Natural History Library
BHL Page 47658846

Keywords

Cephalaspis fossil marine fish freshwater water stream jawless powrie collection Osteostraci Palaeozoic armour detritivorous cephalaspides primeval fish Fish prehistoric cephalaspis

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