246
Catenulida
Macrostomorpha
Cestoda
Trematoda
Monogenea
Bothrioplanida
Tricladida
Proseriata
Rhabdocoela
Polycladida
Lecithoepitheliata
Neodermata
0
100
200
300
400
500
600
Cam
C en
Ord Sil Dev Car Per Tri Jur
Cre
Edi
?
?
Fig. 7.4 Flatworm body fossils plotted against phylogenetic structure of Platyhelminthes (Egger et al. 2015). Flatworm fossil assignment follow (De Baets
et al. 2015) unless otherwise discussed
K. De Baets et al.