Wollemi pine

1. The Wollemi pine found in Australia is a surviving specimen of a conifer thought to have been long extinct and therefore known as a living fossil; the only surviving frontier blockhouse in pennsylvania.
   在澳大利亚发现的沃尼米松树是被认为早已灭绝了的活松标本，因此也被认为是活化石；宾夕法尼亚州现存唯一的前线碉堡。

noun

1. newly discovered (1994) pine thought to have been long extinct