User:Abyssal/Portal:Paleobotany/DYK/10
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![A fossil](http://upload.wikimedia.org/wikipedia/commons/thumb/d/d1/Dillhoffia_cachensis_SR_92-17-20_1.jpg/100px-Dillhoffia_cachensis_SR_92-17-20_1.jpg)
- ... that the extinct plant genus Dillhoffia can't be placed into a flowering plant family at this time?
- ... that the extinct Miocene age maple Acer smileyi has been classified as closely related to the living Acer nipponicum (pictured)?
- ... that out of about 20,000 Clarno Formation fossils, only 5 were from the extinct dogwood Cornus clarnensis?
- ... that the extinct maple Acer dettermani is only known from the flank of a volcano?