question on Angiosperm

[Stephen M Jankalski]

Didn't you already post that question in the Botany-Education newsgroup and
already get an answer? You may try Botany newsgroup next for the same
results.

"Cleya M Williams" <y07579 at SBE1.UNCFSU.EDU> wrote in article
<6276E7378B at sbe1.uncfsu.edu>...
> If angiosperm evolved in the Triassic or Jurassic period, why are 
> there no fossils fouond from those periods.
>