1839 in paleontology

Archosaurs

Newly named pseudosuchians

Data courtesy of George Olshevsky's dinosaur genera list.

Pterosaurs

Graf Munster received a complete skeleton of "Pterodactylus" munsteri which revealed the presence of a long bony tail in this species.

Paleontologists

Birth of Harry Govier Seeley, the paleontologist who invented the Saurischian/Ornithischian dinosaur dichotomy.