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Google圖書搜尋
New Archaeoscyphia (Porifera) from the Ordovician of Anticosti Island, Quebec
J. Keith Rigby
Matthew H. Nitecki
出版
Field Museum of Natural History
, 1973
URL
http://books.google.com.hk/books?id=bio-AQAAIAAJ&hl=&source=gbs_api