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A primitive seed-like structure and its implications for early gymnosperm evolution

✍ Scribed by Galtier, J.; Rowe, N. P.

No coin nor oath required. For personal study only.

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First Devonian platyspermic seed and its

✍ CHALONER, W. G.; HILL, A. J.; LACEY, W. S. 📂 Article 📅 1977 🏛 Nature Publishing Group 🌐 English ⚖ 470 KB