Progymnosperm (redirect from Progymnospermophyta)
plants). They have been treated formally at the rank of division Progymnospermophyta or class Progymnospermopsida (as opposite). The stratigraphically...
7 KB (495 words) - 19:17, 6 May 2024
†Zosterophyllophyta Lycopodiophyta †Trimerophytophyta Polypodiophyta †Progymnospermophyta Superdivision Spermatophyta †Pteridospermatophyta Pinophyta Cycadophyta...
23 KB (2,031 words) - 23:13, 8 November 2024