Across
- 2. Seed plants with cones, common in the dinosaur era. (7 letters)
- 5. Primitive vascular plants resembling modern horsetails, common in the Paleozoic era. (11 letters)
Down
- 1. Early plants that reproduced using spores. (5 letters)
- 2. A type of ancient tree that resembled modern palm trees. (5 letters)
- 3. A genus of flowering plants, one of the earliest known, still existing today. (8 letters)
- 4. Early seed plants known for their fan-shaped leaves. (6 letters)