108
Williamson WC (1883) On the organization of the fossil plants of the coal-measures: part XII. Phil
Trans Roy Soc London B Biol Sci 174:459–475
Wolf FA (1969) A rust and an alga in Eocene sediment from western Kentucky. J Elisha Mitchell
Sci Soc 85:57–58
Wolff EDS, Salisbury SW, Horner JR, Varricchio DJ (2009) Common avian infection plagued the
tyrant dinosaurs. PLoS One 4:e7288
Zelmer DA (1998) An evolutionary definition of parasitism. Int J Parasitol 28:531–533
C. J. Harper and M. Krings
Williamson WC (1883) On the organization of the fossil plants of the coal-measures: part XII. Phil
Trans Roy Soc London B Biol Sci 174:459–475
Wolf FA (1969) A rust and an alga in Eocene sediment from western Kentucky. J Elisha Mitchell
Sci Soc 85:57–58
Wolff EDS, Salisbury SW, Horner JR, Varricchio DJ (2009) Common avian infection plagued the
tyrant dinosaurs. PLoS One 4:e7288
Zelmer DA (1998) An evolutionary definition of parasitism. Int J Parasitol 28:531–533
C. J. Harper and M. Krings