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A Revision of Mesozoic Equisetales Annuriopsis bunkeiensis Kimura et Kim from the Amisan Formation of Nampo Group, Korea

2004; Korean Earth Science Society; Volume: 25; Issue: 1 Linguagem: Inglês

2287-4518

Jong H. Kim, Won Kook Lee, Yeo Sang Kim, Chilng Young Kim, Hee Soo Kim,

Plant Diversity and Evolution

Some fine specimens of Annulariopsis bunkeiensis were collected from two fossil sites of the Amisan Formation of Nampo Group distributed in the Jogaegol, Boryeng City, Chungnam Province. According to our detailed study from our new material, the leaves of A. bunkeiensis are not mucronate, but emarginate at their apices. Accordingly, we revised the diagnostic characters given by Kimura and Kim (1988) mainly in regard to the leaf apex.