TY  - BOOK
AU  - Muir-Wood,Helen M.
AU  - Cooper,Arthur
TI  - A New Species of the Jurassic Brachiopod Genus Septirhynchia
T2  - Smithsonian Miscellaneous Colections ; 
PY  - 1951///
CY  - Washington, D.C : 
PB  - Smithsonian Institution, 
ER  -