Keywords: Hawkins Pterodactylus.jpg Pterodactylus as envisioned by Thomas Hawkins 1840 http //plesiosaur com/database/pdf/Hawkins_1836_The_Book_of_the_Great_Seadragons pdf The Book of the Great Sea Dragons John Martin PD-old-70-1923 other versions PNG format Pterodactylus life restorations |