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出典:『Wikipedia』 (2011/08/05 08:51 UTC 版)

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Dillhoffia is an extinct monotypic genus of flowering plant with a single species, Dillhoffia cachensis known from Ypresian age Eocene fossils found in British Columbia, Canada, and Washington, USA. The genus and species were described from fifteen specimens found in an unnamed formation belonging to the Kamloops group; and two specimens from the Klondike Mountain Formation. The unnamed formation outcrops at the McAbee fossil site near Cache Creek, BC, which is designated the type locality while the two U.S. specimens were recovered from the Tom Thumb Tuff member of the Klondike Mountain Formation in Republic, Washington. It is of interest to note that of the Okanagan highlands fossil sites Dillhoffia is only known from two locations, and is absent or has not been identified from the others.