Laevapex sp., dorsal view. The molluscan shell is attached to the animal by adductor muscles. The three adductor muscles can be clearly seen on this specimen as the oval, non-pigmented areas. On Laevapex there are two adductor muscles anteriorly and one adductor muscle at the posterior end.
John B. Burch (photographer; copyright holder), Mollusk Division, Museum of Zoology, University of Michigan-Ann Arbor
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