Lower Devonian Hexagonaria (Rugosa) from the Armorican Massif of western France

12 2 July 178 188

SORAUF, J. E. 1969. Lower Devonian Hexagonaria (Rugosa) from the Armorican Massif of western France. Palaeontology12, 2, 178–188.

J. E. Sorauf The Palaeontological Association (Free Access)