Structurally preserved Zamites bayeri Kvacek from the Coniacian Kashima Formation (Yezo Group) of Hokkaido, Japan

T. Yamada

2007

Article

Cretaceous Research 2009:1-6

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Taxa discussed in this work:

• Williamsonia sewardiana
• Zamites bayeri

Taxonomy:

• Williamsonia sewardiana belongs to Williamsonia - Sahni (1932)
• Zamites bayeri belongs to Zamites - Kvacek (1997)