Subject ASC0000yhw
The Quarterly journal of the Geological Society of London.
v.37 (1881), Page 66 (1881)
Smithsonian Libraries
BHL Page 43972092
Keywords
Cambrian rocks sandstone fossils St. David's South Wales Wales Longmynd Harlech Llanberris plantae protozoa annelida crustacea brachiopoda pteropoda Classes Genera Species Menevian Plantae Protozoa Annelida Crustacea Brachiopoda Pteropoda and Llanberris geology paleontology classes genera. species menevian hydrozoa actinozoa echinodermata annelide bryozoa lamellibranchiata gasteropoda heteropoda cphalopoda British Lower Cambrian taxa British taxa characteristic genera of Lower Cambrian Lower Cambrian