论文信息 - Protostigmaria, a new plant organ from the Lower Mississippian of Virginia - 字舞流文

Protostigmaria, a new plant organ from the Lower Mississippian of Virginia

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[2] D. A. Eggert. Petrified stigmaria of sigillarian origin from North America , 1972 .

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[4] Wilson N. Stewart. A COMPARATIVE STUDY OF STIGMARIAN APPENDAGES AND ISOETES ROOTS , 1947 .

[5] Wilhelm Bock. A study of fossil Isoetes , 1962 .