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Tambja morosa (Bergh, 1877)
excreting
shows a closeup of the
branchia of a large animal with fecal material emerging from the anal
papilla and cloudy white material emerging from the nephridiopore (the
equivalent of urination in vertebrates)
Photo: Hai Van On: 121 mm: Kawaihae Harbor, Big Island; March 15, 2020.
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anal papilla
shows pigmentation of anal papilla interior (and details of branchia)
Photo: Jake Brandwine: Ulua Beach, Maui; Oct. 24, 2022.
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