TY  - JOUR
T1  - On the Structure and Affinities of Dipteris, with Notes on the Geological History of the Dipteridinae. 
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 68
SP  - 373
EP  - 374
PY  - 1901/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1901.0061
M3  - doi:10.1098/rspl.1901.0061
AU  - Seward, A.
AU  - Dale, E.
ER  -