FIGURE 2. A–J in Two new species of scalpelliform barnacles (Cirripedia: Thoracica) from the Plio-Pleistocene of Cotentin, northwest France

FIGURE 2. A–J, Arcoscalpellum concavitectum sp. nov. A: paratype MNHN.F.A45795, external side of right scutum; B: paratype MNHN.F.A45796, internal side of left scutum; C: paratype MNHN.F.A45794, internal side of left tergum; D: paratype MNHN.F.A45793, external side of right tergum; E: paratype MNHN.F.A45797, external side of right upper lateral; F: paratype MNHN.F.A45798, internal side of left upper lateral; G1–2: holotype MNHN.F.A45791, external side of carina; H: paratype MNHN.F.A45792, transverse section of carina; I: paratype MNHN.F.A46422, external side of carina; J1–2: paratype MNHN.F.A46425, external and internal sides of left rostral lateral. K, Scalpellum sp. A, MNHN.F.A46423, external side of right?upper lateral. L, Scalpellum sp. B, MNHN.F.A46424, external side of left?upper lateral. Scale bars represent 1 mm.