Guimarota _Archaeopteryx_ sp. teeth have microscopic serrations. I
don't have Weigert (1995) or Zinke (1998) to hand but I do have the
new Guimarota volume. Oliver Rauhut's chapter on the dinosaurs
_mentions_ the serrations, but they are clearly figured in Wiechmann
and Gloy's chapter on 'pterosaurs and urvogels'. The serrations are
minute and only visible under SEM, but they are there (Wiechmann
and Gloy 2000).
These chapters (which, like the whole book, are a must have) are...
Rauhut, O. W. M. 2000. The dinosaur fauna from the Guimarota
mine, pp. 75-82. In: Martin, T. and Krebs, B. (eds) _Guimarota - A
Jurassic Ecosystem_. Verlag Dr. Friedrich Pfeil, Munchen. ISBN 3-
931516-80-6.
Wiechmann, M. F. and Gloy, U. 2000. Pterosaurs and urvogels from
the Guimarota mine. In: Martin, T. and Krebs, B. (eds), pp. 83-86.
Like most good academic books these days, it is offensively expensive