Tags: Crustacean.

The Chthamaloidea are a subdivision of Balanomorpha proposed by Newman and Ross to include barnacles with shell wall composed of rostrum carina and one to three pairs of latera rarely supplemented with one or more whorls of basal imbricating plates. The rostrolatus enters the sheath but rarely fuses with the rostrum as in the three higher superfamilies. Shell plates are simple in construction solid and incorporate organic chitin between carbonate layers.

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