Definition of Pteridospermous. Meaning of Pteridospermous. Synonyms of Pteridospermous

Here you will find one or more explanations in English for the word Pteridospermous. Also in the bottom left of the page several parts of wikipedia pages related to the word Pteridospermous and, of course, Pteridospermous synonyms and on the right images related to the word Pteridospermous.

Definition of Pteridospermous

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Meaning of Pteridospermous from wikipedia

- Callipteridium is an extinct genus of pteridospermous seed ferns belonging to the family Cyclopteridaceae. These ferns existed in the Carboniferous period...
- The Medullosales is an extinct order of pteridospermous seed plants characterised by large ovules with circular cross-section and a vascularised nucellus...
- Green and Longmans, London. pp. 422 pp. Thomas, H.H. (1933). "On some pteridospermous plants from the Mesozoic rocks of South Africa". Philosophical Transactions...
- the Umkomaas locality of South Africa. Thomas, .H. (1933). "On some pteridospermous plants from the Mesozoic rocks of South Africa". Philosophical Transactions...
- the Umkomaas locality of South Africa. Thomas, H.H. (1933). "On some pteridospermous plants from the Mesozoic rocks of South Africa". Philosophical Transactions...
- 2133644. ISSN 1477-2019. S2CID 253562726. Thomas, H.H. (1933). "On some pteridospermous plants from the Mesozoic rocks of South Africa". Philosophical Transactions...
- in the separate genus Muelkirchium. Thomas, H.H. (1933). "On some pteridospermous plants from the Mesozoic rocks of South Africa". Philosophical Transactions...
- doi:10.3732/ajb.1600030. PMID 27208360. Thomas, H.H. (1933). "On some pteridospermous plants from the Mesozoic rocks of South Africa". Philosophical Transactions...