†suborder Prototeuthina Naef 1921 (mollusk)
Alternative spelling: Prototeuthidina
Parent taxon: Octobrachia according to D. Fuchs 2019
See also Fuchs 2006, Fuchs and Larson 2011, Jattiot et al. 2015, Jeletzky 1966 and Riegraf 1987
Sister taxa: Cirroctopodida, Octopoda, Vampyromorpha
Subtaxa: Lioteuthididae Plesioteuthidae
Ecology: fast-moving nektonic carnivore
Distribution: