1983 in paleontology
Arthropods
Crustaceans
Crustacean research
- Albrecht reappraises the relationships of some fossil crustaceans and erects the family Protastacidae.
Fish
Cartilaginous fish
Cartilaginous fish research
- Duffin & Ward erect the family Anachronistidae for their new genus Anachronistes, which would later become a junior synonym of Cooleyella.