Subject ASC0003v0q

The geologist : a popular monthly magazine of geology.
Vol.2 (1859), Page 388 (1859)
Natural History Museum Library, London
BHL Page 46198094

Keywords

Scolithus linearis tube america fossils british rock fossil Ichnofossil North America trace fossil ichnogenus Lingula Davisii lingulae Scolthus LIneartis

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