Fig. 7 in Evolution of the claustrum in Cnidaria: comparative anatomy reveals that it is exclusive to some species of Staurozoa and absent in Cubozoa

Fig. 7 Histological cross-sections of Carybdea xaymacana (cubopolyp stage). a–f Sections from aboral (basal) to oral (apical) regions; simple body, with a central gastrovascular cavity (gvc), without subdivisions. Staining: a–f Toluidine blue. See Table 2 for additional abbreviations