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Pleurobranchus grandis Pease, 1868
transitional
shows a relatively young
animal that has lost most of the white lines found in juveniles but has
yet to develop the more elaborate secondary tubercles of adults
Photo: PF: about 70
mm: Maalaea
Bay, Maui; Jan. 2, 2011.
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transitional, with mantle fold
shows somewhat larger transitional animal with an intact posterior mantle fold
Photo: PF: Makena, Maui; Feb. 24, 2015.
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