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<==o †PTERANODONTOIDEA |?-o †Caeradactylidae | `-- †Caeradactylus atrox |-- †Pteranodontidae `--+-- †Istiodactylus latidens (Seeley, 1901) Howsw, Milner & Martill, 2001 ["Ornithodesmus" latidens Seeley, 1901] [Ornithodesmidae; Istiodactylidae] `--+-- †Criorhynchus simus [Criorhynchidae] `-- Anhangueridae
Wellnhofer, P., 1991: The Illustrated Encyclopedia of Pterosaurs.
–Salamander Books Ltd., London, 1991, 192
© Mikko Haaramo, / Last updated 2002-10-19 / http://www.mv.helsinki.fi/home/mhaaramo