Superfamily Lepadoidea Darwin 1852 (barnacle)
Parent taxon: Scalpellomorpha according to B. K. K. Chan et al. 2021
Sister taxa: Neolepadoidea, Scalpelloidea
Subtaxa: Heteralepadidae Lepadidae Malacolepadidae Poecilasmatidae Rhizolepadidae
Type: Lepas
Ecology: stationary epifaunal suspension feeder
Distribution:
• Pliocene of Holy See (Vatican City State) (1 collection)
• Miocene of Austria (2), Poland (1)
• Eocene of United States (1: Alabama)
• Cretaceous of Sweden (1)
Total: 6 collections each including a single occurrence