TY  - JOUR
TI  - Lower Devonian Hexagonaria (Rugosa) from the Armorican Massif of western France
T2  - Palaeontology
VL  - 12
UR  - https://www.biodiversitylibrary.org/part/173015
PB  - Palaeontological Association
CY  - London
PY  - 1969
SP  - 178
EP  - 188
AU  - Sorauf, J E
ER  -