Dispersed megaspores of the Rhaetian-Liassic boundary of Franken.
Foreign title:
Die dispersen Megasporen der fr¤nkischen Rh¤t-Lias-Grenzschichten.
Reference:
Jung,W.W. (1960)
Dispersed megaspores of the Rhaetian-Liassic boundary of Franken. [ Die dispersen Megasporen der fr¤nkischen Rh¤t-Lias-Grenzschichten. ] Pal¤eontographica Abteilung B
Vol. 107 # 4 P. 127- 170