Petrified plants from the cretaceous of the Kwanto mountains, central Japan. III. A polyxylic cycadean trunk,Sanchucycas gigantea gen. et sp. nov.
2020 ◽
Keyword(s):
2020 ◽
Keyword(s):
Keyword(s):
1969 ◽
Vol 61
(4)
◽
pp. 125-139
◽
Keyword(s):
Keyword(s):