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Balanus rostratus Hoek. Tokyo Harbor, Japan.
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Balanus. A, external view; s, Scutum; t, tergum.
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Balanus hoekianus Pilsbry, scutum of type.
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Scalpellum phantasma. Type.
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Scalpellum weltnerianum Pilsbry. Lateral view.
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Scalpellum gonionolum Pilsbry. Lateral view.
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Scalpellum pacificum. Type.
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Balanus flos..
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Figure 1.Cylindrolepas sinica Ren, 1980. A–B original variant occurring on the soft skin of sea turtles (RUMF-ZC-02030) C–H hexagonal variant occurring on the plastron of sea turtles (RUMF-ZC-02045) A and C, upper, basal, upper oblique and lateral views B and D parietal plates (surface and back view) E sutural elaboration of the parietal wall F upper view of radii G inner view of basal margin H basal margin with parietal ribs I hexagonal shell wall of Xenobalanus globicipitis.
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Heteralepas sp. undet. Ventral view.
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Balanus. B, anatomy; a, antennules; ad, adductor muscle; m, muscles of acuta and terga; o, edge of parapet; ov, ovary; vvi.oviduct; se, sentum; alk, parapet; t, tergum; wo, female aperture. 1903. Balanus.
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Balanus. B, anatomy; a, antennules; ad, adductor muscle; m, muscles of acuta and terga; o, edge of parapet; ov, ovary; vvi.oviduct; se, sentum; alk, parapet; t, tergum; wo, female aperture.
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Balanus hoekianus Pilsbry. Profile of scutum of type.
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Free-swimming stages of Sacculina carcini. A, Nauplius; B, Cypris stage
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Scalpellum weltnerianum Pilsbry. Dorsal view.
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Scalpellum gonionotum Pilsbry. Dorsal view.
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Scalpellum pacificum. Detail of structure at base of carina.
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Balanus flos..
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Figure 2.Habitat of Cylindrolepas sinica Ren, 1980. A the original rounded form aggregated on the tail of a green sea turtle B the hexagonal variant burrowing into a green sea turtle plastron C an unusual specimen attached to a plastic tag on a loggerhead sea turtle D close-up view of the individual attached to the plastic tag.
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Heteralepas sp. undet. Lateral view.
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Different forms of Balanus.
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Balanus hoekianus Pilsbry, Scutum of type.
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Scalpellum californicum asseum. Type and a young specimen.
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Balanus galeatus.
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Scalpellum californicum. Rostral plate and adjacent parts.