#stamnostoma

Stamnostoma

Extinct genus of seed ferns

Stamnostoma is an extinct genus of seed ferns based on cupules with seeds. These are among the earliest known seed plants and of earliest Carboniferous (Tournaisian) age.

Thu 13th

Provided by Wikipedia

Learn More

This keyword could refer to multiple things. Here are some suggestions:

0 searches
This keyword has never been searched before
This keyword has never been searched for with any other keyword.