AMPHIBALANINAE Pitombo, 2004

Pitriana, Pipit, Jones, Diana S., Corbari, Laure & Rintelen, Kristina von, 2020, New insights gained from museum collections: Deep-sea barnacles (Crustacea, Cirripedia, Thoracica) in the Museum National d'Histoire Naturelle, Paris, collected during the Karubar expedition in 1991, Zoosystematics and Evolution 96 (2), pp. 649-698 : 649

Subfamily AMPHIBALANINAE Pitombo, 2004

Amphibalaninae Pitombo, 2004: 263.

Diagnosis.

Shell with four or six plates; parietal tubes with one or more rows, commonly transverse septa; radii with transverse teeth on sutural edge with denticles on lower side only; alae not cleft; basis with single tubiferous; scutum with conspicuous adductor ridge; tergum with well-developed depressor muscle crests, growth lines in tergum spur display an obvious change in direction; second maxilla with smooth anterior margin of distal lobe, acuminate setae with enlarged, modified tips.