TABLE 2 in A new genus and species of barnacle (Cirripedia, Verrucomorpha) associated with vents of the Lau Back-Arc Basin: its gross morphology, inferred first juvenile stage and affinities

TABLE 2. — Comparison between the primordial plates of the earliest juvenile stages of the principal suborders of thoracic Cirripedia (See Fig. 6 for corresponding figures and text for a full explanation).
Taxon/CharacterCarinal proportionsCarinal of positionTerga and scuta of each sideLepadomorpha (Fig. 6A)Higher than wide and longer than tergaExtending up between tergaSymmetricalScalpellomorpha (Fig. 6B)Higher than wide and nearly as long as tergaExtending up between tergaSymmetricalVerrucomorphaNeoverrucidae (Fig. 6C)Higher than wide and shorter than tergaExtending up between tergaInitially symmetricalX-juvenile (Fig. 6D)Wider than high, shorter than terga and perhaps displaced to one sideNot extending up between tergaScuta if not terga initially symmetricalVerrucidae (Fig. 6E)About as wide as high, shorter than terga and displaced to one sideNot extending up between tergaDistinctly asymmetricalBalanomorpha (Fig. 6F)Higher than wideNot extending up between tergaSymmetrical